| 1 (PR) FU | No. 1 Flying Training School RAF |
| 1 (PR) FU | No. 1 (Pilot Refresher) Flying Unit |
| 1 ANS | No. 1 Air Navigation School |
| 1 APS | No. 1 Armament Practice Station |
| 1 CACU/Flt | No. 1 Coast Artillery Co-operation Unit/Flight |
| 1 CP Flt | No. 1 Coastal Patrol Flight |
| 1 EFTS | No. 1 Elementary Flying Training School |
| 1 FTS | No. 1 Flying Training School RAF |
| 1 Gp Comm Flt | No. 1 Group Communication Flight |
| 1 GTS | No. 1 Glider Training School |
| 1 LFS | No. 1 Lancaster Finishing School |
| 1 PRU | No. 1 Photographic Reconnaissance Unit RAF |
| 1 PRU | No. 1 Photographic Reconnaissance Unit |
| 1 PTS | No. 1 parachute Training School |
| 1 RAF FU | No. 1 RAF Film Unit |
| 1 RFS | No. 1 Reserve Flying School |
| 1 RS | No. 1 Radio School RAF |
| 1 RS | No. 1 Radio School |
| 1 Sqn | No. 1 Squadron RAF |
| 1 Sqn RAAF | No. 1 Squadron RAAF |
| 1 Sqn SAAF | 1 Squadron SAAF |
| 1 TEU | No. 1 Tactical Exercise Unit |
| 1 TTU | No. 1 Torpedo Training Unit |
| 1 TU | No. 1 Torpedo Unit |
| 10 (A)FTS | No. 10 (Advanced) Flying Training School |
| 10 AFTS | No. 10 Advanced Flying Training School |
| 10 AGS | No. 10 Air Gunnery School |
| 10 ANS | No. 10 Air Navigation School |
| 10 FIS | No. 10 Flying Instructors School |
| 10 FRS | No. 101 Flying Refresher School |
| 10 Gp TTF | No. 10 Group Target Towing Flight |
| 10 MU | No. 10 Maintenance Unit RAF |
| 10 OTU | No. 10 Operational Training Unit RAF |
| 10 RFS | No. 10 Reserve Flying School |
| 10 RS | No. 10 Radio School |
| 10 Sqn | No. 10 Squadron RAF |
| 10 Sqn & 437 Sqn | No. 10 Squadron RAF?&?No. 437 Squadron RAF |
| 10 Sqn RAAF | No. 10 Squadron RAAF |
| 100 Gp Comm Flt | No. 100 Group Communication Flight |
| 100 Sqn | No. 100 Squadron RAF |
| 101 FRS | No. 101 Flying Refresher School |
| 101 Sqn | No. 101 Squadron RAF |
| 102 FRS | No. 102 Flying Refresher School |
| 102 Sqn | No. 102 Squadron RAF |
| 103 Sqn | No. 103 Squadron RAF |
| 104 Sqn | No. 104 Squadron RAF |
| 105 OTU | No. 105 Operational Training Unit RAF |
| 105 Sqn | No. 105 Squadron RAF |
| 106 Sqn | No. 106 Squadron RAF |
| 107 OTU | No. 107 Operational Training Unit RAF |
| 107 Sqn | No. 107 Squadron RAF |
| 108 Sqn | No. 108 Squadron RAF |
| 109 (T)OTU | No. 109 (Transport) Operational Training Unit RAF |
| 109 Sqn | No. 109 Squadron RAF |
| 11 AGS | No. 11 Air Gunnery School |
| 11 EFTS | No. 11 Elementary Flying Training School |
| 11 Gp Comm Flt | No. 11 Group Communication Flight |
| 11 Gp TTF | No. 11 Group Target Towing Flight |
| 11 OTU | No. 11 Operational Training Unit RAF |
| 11 OTU SAAF | 11 Operational Training Unit SAAF |
| 11 RFS | No. 11 Reserve Flying School |
| 11 RS | No. 11 Radio School |
| 11 Sqn | No. 11 Squadron RAF |
| 11 Sqn SAAF | 11 Squadron SAAF |
| 110 Sqn | No. 110 Squadron RAF |
| 110 Sqn RCAF | No. 110 Squadron RCAF |
| 111 OTU | No. 111 Operational Training Unit RAF |
| 111 Sqn | No. 111 Squadron RAF |
| 111 Sqn RCAF | No. 111 Squadron RCAF |
| 112 Sqn | No. 112 Squadron RAF |
| 113 Sqn | No. 113 Squadron RAF |
| 114 Sqn | No. 114 Squadron RAF |
| 115 Sqn | No. 115 Squadron RAF |
| 116 Sqn | No. 116 Squadron RAF |
| 117 Sqn | No. 117 Squadron RAF |
| 118 Sqn | No. 118 Squadron RAF |
| 118 Sqn | No. 118 Squadron RCAF |
| 118 Sqn RCAF | No. 118 Squadron RCAF |
| 119 Sqn | No. 119 Squadron RAF |
| 12 Gp Comm Flt | No. 12 Group Communication Flight |
| 12 Gp TTF | No. 12 Group Target Towing Flight |
| 12 MU | No. 12 Maintenance Unit RAF |
| 12 OTU | No. 12 Operational Training Unit RAF |
| 12 RFS | No. 12 Reserve Flying School |
| 12 RS | No. 12 Radio School |
| 12 Sqn | No. 612 Squadron RAF |
| 12 Sqn | No. 12 Squadron RAF |
| 12 Sqn SAAF | 12 Squadron SAAF |
| 120 Sqn | No. 120 Squadron RAF |
| 121 (Eagle) Sqn | No. 121 (Eagle) Squadron RAF |
| 121 Sqn | No. 121 Squadron RAF |
| 122 Sqn | No. 122 Squadron RAF |
| 123 Sqn | No. 123 Squadron RAF |
| 123 Sqn RCAF | No. 123 Squadron RCAF |
| 124 Sqn | No. 124 Squadron RAF |
| 125 Sqn | No. 125 Squadron RAF |
| 125 Sqn RCAF | No. 125 Squadron RCAF |
| 126 Sqn | No. 126 Squadron RAF |
| 127 Sqn | No. 127 Squadron RAF |
| 127 Sqn RCAF | No. 127 Squadron RCAF |
| 128 Sqn | No. 128 Squadron RAF |
| 129 Sqn | No. 129 Squadron RAF |
| 13 Gp Comm Flt | No. 13 Group Communication Flight |
| 13 Gp TTF | No. 13 Group Target Towing Flight |
| 13 MU | No. 13 Maintenance Unit RAF |
| 13 OTU | No. 13 Operational Training Unit RAF |
| 13 RFS | No. 13 Reserve Flying School |
| 13 Sqn | No. 13 Squadron RAF |
| 130 Sqn | No. 130 Squadron RAF |
| 131 Sqn | No. 131 Squadron RAF |
| 1310 Flt | No. 1310 Flight RAF |
| 1316 Flt | No. 1316 Flight RAF |
| 132 OTU | No. 132 Operational Training Unit RAF |
| 132 Sqn | No. 132 Squadron RAF |
| 1323 Flt | No. 1323 Flight RAF |
| 133 (Eagle) Sqn | No. 133 (Eagle) Squadron RAF |
| 133 Sqn | No. 133 Squadron RAF |
| 1332 CU | No. 1332 Conversion Unit RAF |
| 1333 (T)CU | No. 1333 (Transport) Conversion Unit RAF |
| 1333 CU | No. 1333 Conversion Unit RAF |
| 1335 CU | No. 1335 Conversion Unit RAF |
| 1336 CU | No. 1336 Conversion Unit RAF |
| 134 Sqn | No. 134 Squadron RAF |
| 1340 Flt | No. 1340 Flight RAF |
| 135 Sqn | No. 135 Squadron RAF |
| 1359 Flt | No. 1359 Flight RAF |
| 136 Sqn | No. 136 Squadron RAF |
| 137 Sqn | No. 137 Squadron RAF |
| 138 Sqn | No. 138 Squadron RAF |
| 1380 CU | No. 1380 Conversion Unit RAF |
| 1381 CU | No. 1381 Conversion Unit RAF |
| 1382 CU | No. 1382 Conversion Unit RAF |
| 1383 CU | No. 1383 Conversion Unit RAF |
| 1384 CU | No. 1384 Conversion Unit RAF |
| 139 Sqn | No. 139 Squadron RAF |
| 14 (A) FTS | No. 14 (Advanced) Flying Training School |
| 14 (A)FTS | No. 14 (Advanced) Flying Training School |
| 14 OTU | No. 14 Operational Training Unit RAF |
| 14 RFS | No. 14 Reserve Flying School |
| 14 Sqn | No. 14 Squadron RAF |
| 14 Sqn RCAF | No. 14 Squadron RCAF |
| 140 Sqn | No. 140 Squadron RAF |
| 1401 Flt | No. 1401 Flight RAF |
| 1409 (Met) Flt | No. 1409 (Meteorological) Flight RAF |
| 141 Sqn | No. 141 Squadron RAF |
| 1416 Flt | No. 1416 Flight RAF |
| 1417 Flt | No. 1417 Flight RAF |
| 142 Sqn | No. 142 Squadron RAF |
| 143 Sqn | No. 143 Squadron RAF |
| 1435 Flt | No. 1435 Flight RAF |
| 1435 Sqn | No. 1435 Squadron RAF |
| 144 Sqn | No. 144 Squadron RAF |
| 1448 Flt | No. 1448 Flight RAF |
| 145 Sqn | No. 145 Squadron RAF |
| 146 Sqn | No. 146 Squadron RAF |
| 147 Sqn | No. 147 Squadron RAF |
| 1472 Flt | No. 1472 Flight RAF |
| 1473 Flt | No. 1473 Flight RAF |
| 1476 Flt | No. 1476 Flight RAF |
| 148 Sqn | No. 148 Squadron RAF |
| 149 Sqn | No. 149 Squadron RAF |
| 15 EFTS | No. 15 Elementary Flying Training School |
| 15 MU | No. 15 Maintenance Unit RAF |
| 15 OTU | No. 15 Operational Training Unit RAF |
| 15 RFS | No. 15 Reserve Flying School |
| 15 Sqn | No. 15 Squadron RAF |
| 15 Sqn RAAF | No. 15 Squadron RAAF |
| 15 Sqn SAAF | 15 Squadron SAAF |
| 15 Sqn SAAF | No. 15 Squadron SAAF |
| 150 Sqn | No. 150 Squadron RAF |
| 1508 Flt | No. 1508 Flight RAF |
| 151 Sqn | No. 151 Squadron RAF |
| 1510 Flt | No. 1510 Flight RAF |
| 1511 B App.TFlt | No. 1511 Beam Approach Training Flight |
| 1513 Flt | No. 1513 Flight RAF |
| 1516 Flt | No. 1516 Flight RAF |
| 152 Sqn | No. 152 Squadron RAF |
| 1521 Flt | No. 1521 Flight RAF |
| 1527 Flt | No. 1527 Flight RAF |
| 1528 Flt | No. 1528 Flight RAF |
| 1529 Flt | No. 1529 Flight RAF |
| 153 Sqn | No. 153 Squadron RAF |
| 1537 B App.TFlt | No. 1537 Beam Approach Training Flight |
| 154 Sqn | No. 154 Squadron RAF |
| 1547 B App.TFlt | No. 1547 Beam Approach Training Flight |
| 155 Sqn | No. 155 Squadron RAF |
| 1552 Flt | No. 1552 Flight RAF |
| 1556 Flt | No. 1556 Flight RAF |
| 1557 (RAT) Flt | No. 1557 (Radio Aids Training) Flight RAF |
| 156 Sqn | No. 156 Squadron RAF |
| 1561 Flt | No. 1561 Flight RAF |
| 1562 Flt | No. 1562 Flight RAF |
| 1563 Flt | No. 1563 Flight RAF |
| 1564 Flt | No. 1564 Flight RAF |
| 157 Sqn | No. 157 Squadron RAF |
| 158 Sqn | No. 158 Squadron RAF |
| 1586 Flt | No. 1586 Flight RAF |
| 1588 (HF)Flt | No. 1588 (Heavy Freight) Flight RAF |
| 159 Sqn | No. 159 Squadron RAF |
| 16 (Pol.) FTS | No. 16 (Polish) Flying Training School |
| 16 EFTS | No. 16 Elementary Flying Training School |
| 16 Gp Comm Flt | No. 16 Group Communication Flight |
| 16 OTU | No. 16 Operational Training Unit RAF |
| 16 RFS | No. 16 Reserve Flying School |
| 16 Sqn | No. 16 Squadron RAF |
| 160 Sqn | No. 160 Squadron RAF |
| 1606 Flt | No. 1606 Flight RAF |
| 161 Sqn | No. 161 Squadron RAF |
| 162 Sqn | No. 162 Squadron RAF |
| 163 Sqn | No. 163 Squadron RAF |
| 164 Sqn | No. 164 Squadron RAF |
| 1641 Flt | No. 1641 Flight RAF |
| 165 Sqn | No. 165 Squadron RAF |
| 1651 CU | No. 1651 Conversion Unit RAF |
| 1652 CU | No. 1652 Conversion Unit RAF |
| 1653 CU | No. 1653 Conversion Unit RAF |
| 1654 CU | No. 1654 Conversion Unit RAF |
| 1656 CU | No. 1656 Conversion Unit RAF |
| 1657 CU | No. 1657 Conversion Unit RAF |
| 1658 CU | No. 1658 Conversion Unit RAF |
| 1659 CU | No. 1659 Conversion Unit RAF |
| 166 Sqn | No. 166 Squadron RAF |
| 1660 CU | No. 1660 Conversion Unit RAF |
| 1661 CU | No. 1661 Conversion Unit RAF |
| 1662 CU | No. 1662 Conversion Unit RAF |
| 1663 CU | No. 1663 Conversion Unit RAF |
| 1664 CU | No. 1664 Conversion Unit RAF |
| 1665 CU | No. 1665 Conversion Unit RAF |
| 1665 HCU | No. 1665 Heavy Conversion Unit RAF |
| 1666 CU | No. 1666 Conversion Unit RAF |
| 1667 CU | No. 1667 Conversion Unit RAF |
| 1667 Flt | No. 1667 Flight RAF |
| 1668 CU | No. 1668 Conversion Unit RAF |
| 1669 CU | No. 1669 Conversion Unit RAF |
| 167 Sqn | No. 167 Squadron RAF |
| 1678 CU | No. 1678 Conversion Unit RAF |
| 1678 Flt | No. 1678 Flight RAF |
| 168 Sqn | No. 168 Squadron RAF |
| 1682 Flt | No. 1682 Flight RAF |
| 1683 Flt | No. 1683 Flight RAF |
| 1684 Flt | No. 1684 Flight RAF |
| 1685 Flt | No. 1685 Flight RAF |
| 1686 Flt | No. 1686 Flight RAF |
| 1687 Flt | No. 1687 Flight RAF |
| 1688 Flt | No. 1688 Flight RAF |
| 169 Sqn | No. 169 Squadron RAF |
| 1690 Flt | No. 1690 Flight RAF |
| 1692 Flt | No. 1692 Flight RAF |
| 1695 Flt | No. 1695 Flight RAF |
| 1697 Flt | No. 1697 Flight RAF |
| 1699 CU | No. 1699 Conversion Unit RAF |
| 1699 Flt | No. 1699 Flight RAF |
| 17 EFTS | No. 17 Elementary Flying Training School |
| 17 FTS | No. 17 Flying Training School RAF |
| 17 OTU | No. 17 Operational Training Unit RAF |
| 17 RFS | No. 17 Reserve Flying School |
| 17 SFTS | No. 17 Service Flying Training School |
| 17 Sqn | No. 17 Squadron RAF |
| 170 Sqn | No. 170 Squadron RAF |
| 171 Sqn | No. 171 Squadron RAF |
| 172 Sqn | No. 172 Squadron RAF |
| 173 Sqn | No. 173 Squadron RAF |
| 174 Sqn | No. 174 Squadron RAF |
| 175 Sqn | No. 175 Squadron RAF |
| 176 Sqn | No. 176 Squadron RAF |
| 177 Sqn | No. 177 Squadron RAF |
| 178 Sqn | No. 178 Squadron RAF |
| 179 Sqn | No. 179 Squadron RAF |
| 18 APC | No. 18 Armament Practice Camp |
| 18 Gp Comm Flt | No. 18 Group Communication Flight |
| 18 MU | No. 18 Maintenance Unit RAF |
| 18 OTU | No. 18 Operational Training Unit RAF |
| 18 RFS | No. 18 Reserve Flying School |
| 18 Sqn | No. 18 Squadron RAF |
| 180 Sqn | No. 180 Squadron RAF |
| 181 Sqn | No. 181 Squadron RAF |
| 182 Sqn | No. 182 Squadron RAF |
| 183 Sqn | No. 183 Squadron RAF |
| 184 Sqn | No. 184 Squadron RAF |
| 185 Sqn | No. 185 Squadron RAF |
| 186 Sqn | No. 186 Squadron RAF |
| 187 Sqn | No. 187 Squadron RAF |
| 188 Sqn | No. 188 Squadron RAF |
| 189 Sqn | No. 189 Squadron RAF |
| 19 FTS | No. 19 Flying Training School RAF |
| 19 Gp Comm Flt | No. 19 Group Communication Flight |
| 19 MU | No. 19 Maintenance Unit RAF |
| 19 OTU | No. 19 Operational Training Unit RAF |
| 19 Sqn | No. 19 Squadron RAF |
| 190 Sqn | No. 190 Squadron RAF |
| 1900 Flt | No. 1900 Flight RAF |
| 1901 Flt | No. 1901 Flight RAF |
| 1902 Flt | No. 1902 Flight RAF |
| 1903 Flt | No. 1903 Flight RAF |
| 1904 Flt | No. 1904 Flight RAF |
| 1905 Flt | No. 1905 Flight RAF |
| 1908 Flt | No. 1908 Flight RAF |
| 1909 Flt | No. 1909 Flight RAF |
| 191 Sqn | No. 191 Squadron RAF |
| 192 Sqn | No. 192 Squadron RAF |
| 193 Sqn | No. 193 Squadron RAF |
| 194 Sqn | No. 194 Squadron RAF |
| 195 Sqn | No. 195 Squadron RAF |
| 1951 Flt | No. 1951 Flight RAF |
| 1952 Flt | No. 1952 Flight RAF |
| 1953 Flt | No. 1953 Flight RAF |
| 1954 Flt | No. 1954 Flight RAF |
| 1955 Flt | No. 1955 Flight RAF |
| 1956 Flt | No. 1956 Flight RAF |
| 1957 Flt | No. 1957 Flight RAF |
| 1958 Flt | No. 1958 Flight RAF |
| 1959 Flt | No. 1959 Flight RAF |
| 196 Sqn | No. 196 Squadron RAF |
| 196 Sqn & 299 Sqn | No. 196 Squadron RAF?&?No. 299 Squadron RAF |
| 1960 Flt | No. 1960 Flight RAF |
| 1961 Flt | No. 1961 Flight RAF |
| 1962 Flt | No. 1962 Flight RAF |
| 1963 Flt | No. 1963 Flight RAF |
| 1964 Flt | No. 1964 Flight RAF |
| 1965 Flt | No. 1965 Flight RAF |
| 1966 Flt | No. 1966 Flight RAF |
| 1967 Flt | No. 1967 Flight RAF |
| 1968 Flt | No. 1968 Flight RAF |
| 1969 Flt | No. 1969 Flight RAF |
| 197 Sqn | No. 197 Squadron RAF |
| 1970 Flt | No. 1970 Flight RAF |
| 198 Sqn | No. 198 Squadron RAF |
| 199 Sqn | No. 199 Squadron RAF |
| 2 (Belgian) Sqn | No. 2 (Belgian) Squadron RAF |
| 2 AACU | No. 2 Anti-aircraft Co-operation Unit |
| 2 ANS | No. 2 Air Navigation School |
| 2 APS | No. 2 Armament Practice Station |
| 2 BANS | No. 2 Basic Air Navigation School |
| 2 EFTS | No. 2 Elementary Flying Training School |
| 2 FP | No. 2 Ferry Pool |
| 2 FTS | No. 2 Flying Training School RAF |
| 2 Gp Comm Flt | No. 2 Group Communication Flight |
| 2 OTU | No. 2 Operational Training Unit RAF |
| 2 RFS | No. 2 Reserve Flying School |
| 2 RS | No. 2 Radio School |
| 2 Sqn | No. 2 Squadron RAF |
| 2 Sqn RAAF | No. 2 Squadron RAAF |
| 2 Sqn SAAF | 2 Squadron SAAF |
| 2 TAF, 3 Gp Comm Flt | No. 2 Tactical Air Force Communication Squadron,?No. 3 Group Communication Flight |
| 2 TEU | No. 2 Tactical Exercise Unit |
| 20 FTS | No. 20 Flying Training School RAF |
| 20 MU | No. 20 Maintenance Unit RAF |
| 20 OTU | No. 20 Operational Training Unit RAF |
| 20 SFTS | No. 20 Service Flying Training School |
| 20 SFTS | No. 22 Service Flying Training School |
| 20 Sqn | No. 20 Squadron RAF |
| 200 Sqn | No. 200 Squadron RAF |
| 201 AFS | No. 201 Advanced Flying School |
| 201 Sqn | No. 201 Squadron RAF |
| 202 AFS | No. 202 Advanced Flying School |
| 202 Sqn | No. 202 Squadron RAF |
| 203 AFS | No. 203 Advanced Flying School |
| 203 Sqn | No. 203 Squadron RAF |
| 204 AFS | No. 204 Advanced Flying School |
| 204 Sqn | No. 204 Squadron RAF |
| 205 AFS | No. 205 Advanced Flying School |
| 205 Sqn | No. 205 Squadron RAF |
| 206 AFS | No. 206 Advanced Flying School |
| 206 Sqn | No. 206 Squadron RAF |
| 207 AFS | No. 207 Advanced Flying School |
| 207 FTS | No. 207 Flying Training School |
| 207 Sqn | No. 207 Squadron RAF |
| 208 Sqn | No. 208 Squadron RAF |
| 209 Sqn | No. 209 Squadron RAF |
| 21 (P) AFU | No. 21 (Pilot) Advanced Flying Unit |
| 21 (PR) FS | No. 21 (Pilot Refresher) Flying School |
| 21 EFTS | No. 21 Elementary Flying Training School |
| 21 FTS | No. 21 Flying Training School RAF |
| 21 Gp Comm Flt | No. 21 Group Communication Flight |
| 21 HGCU | No. 21 Heavy Glider Conversion Unit RAF |
| 21 OTU | No. 21 Operational Training Unit RAF |
| 21 Sqn | No. 21 Squadron RAF |
| 21 Sqn RAAF | No. 21 Squadron RAAF |
| 210 Sqn | No. 210 Squadron RAF |
| 211 Sqn | No. 211 Squadron RAF |
| 212 Sqn | No. 212 Squadron RAF |
| 213 Sqn | No. 213 Squadron RAF |
| 214 Sqn | No. 214 Squadron RAF |
| 215 AFS | No. 215 Advanced Flying School |
| 215 Sqn | No. 215 Squadron RAF |
| 216 Sqn | No. 216 Squadron RAF |
| 217 Sqn | No. 217 Squadron RAF |
| 218 Sqn | No. 218 Squadron RAF |
| 219 Sqn | No. 219 Squadron RAF |
| 22 EFTS | No. 22 Elementary Flying Training School |
| 22 FTS | No. 22 Flying Training School RAF |
| 22 FTS | No. 22 Flying Training School |
| 22 Gp Comm Flt | No. 22 Group Communication Flight |
| 22 MU | No. 22 Maintenance Unit RAF |
| 22 OTU | No. 22 Operational Training Unit RAF |
| 22 RFS | No. 22 Reserve Flying School |
| 22 SFTS | No. 22 Service Flying Training School |
| 22 Sqn | No. 22 Squadron RAF |
| 220 Sqn | No. 220 Squadron RAF |
| 221 Sqn | No. 221 Squadron RAF |
| 222 Sqn | No. 222 Squadron RAF |
| 223 Sqn | No. 223 Squadron RAF |
| 224 Sqn | No. 224 Squadron RAF |
| 225 Sqn | No. 225 Squadron RAF |
| 226 OCU | No. 226 Operational Conversion Unit RAF |
| 226 Sqn | No. 226 Squadron RAF |
| 227 OCU | No. 227 Operational Conversion Unit RAF |
| 227 OTU | No. 227 Operational Training Unit RAF |
| 227 Sqn | No. 227 Squadron RAF |
| 228 OCU | No. 228 Operational Conversion Unit RAF |
| 228 Sqn | No. 228 Squadron RAF |
| 229 OCU | No. 229 Operational Conversion Unit RAF |
| 229 Sqn | No. 229 Squadron RAF |
| 23 Gp Comm Flt | No. 23 Group Communication Flight |
| 23 MU | No. 23 Maintenance Unit RAF |
| 23 OTU | No. 23 Operational Training Unit RAF |
| 23 RFS | No. 23 Reserve Flying School |
| 23 Sqn | No. 23 Squadron RAF |
| 230 OCU | No. 230 Operational Conversion Unit RAF |
| 230 Sqn | No. 230 Squadron RAF |
| 231 OCU | No. 231 Operational Conversion Unit RAF |
| 231 Sqn | No. 231 Squadron RAF |
| 232 Sqn | No. 232 Squadron RAF |
| 233 Sqn | No. 233 Squadron RAF |
| 234 Sqn | No. 234 Squadron RAF |
| 235 OCU | No. 235 Operational Conversion Unit RAF |
| 235 Sqn | No. 235 Squadron RAF |
| 236 OCU | No. 236 Operational Conversion Unit RAF |
| 236 Sqn | No. 236 Squadron RAF |
| 237 OCU | No. 237 Operational Conversion Unit RAF |
| 237 Sqn | No. 237 Squadron RAF |
| 238 Sqn | No. 238 Squadron RAF |
| 238 Sqn & 436 Sqn | No. 238 Squadron RAF?&?No. 436 Squadron RAF |
| 239 Sqn | No. 239 Squadron RAF |
| 24 EFTS | No. 24 Elementary Flying Training School |
| 24 Gp Comm Flt | No. 24 Group Communication Flight |
| 24 MU | No. 24 Maintenance Unit RAF |
| 24 OTU | No. 24 Operational Training Unit RAF |
| 24 RFS | No. 24 Reserve Flying School |
| 24 Sqn | No. 24 Squadron RAF |
| 24 Sqn & 1 P>S | No. 24 Squadron RAF?&?No.1 Parachute and Glider Training School |
| 24 Sqn & 59 Sqn | No. 24 Squadron RAF?&?No. 59 Squadron RAF |
| 24 Sqn SAAF | 24 Squadron SAAF |
| 24 Sqn, 27 Sqn & 62 Sqn | No. 24 Squadron RAF,?No. 27 Squadron RAF?&?No. 62 Squadron RAF |
| 240 OCU | No. 240 Operational Conversion Unit RAF |
| 240 Sqn | No. 240 Squadron RAF |
| 241 OCU | No. 241 Operational Conversion Unit RAF |
| 241 Sqn | No. 241 Squadron RAF |
| 242 OCU | No. 242 Operational Conversion Unit RAF |
| 242 Sqn | No. 242 Squadron RAF |
| 243 Sqn | No. 243 Squadron RAF |
| 244 Sqn | No. 244 Squadron RAF |
| 245 Sqn | No. 245 Squadron RAF |
| 246 Sqn | No. 246 Squadron RAF |
| 247 Sqn | No. 247 Squadron RAF |
| 248 Sqn | No. 248 Squadron RAF |
| 249 Sqn | No. 249 Squadron RAF |
| 25 Gp Comm Flt | No. 25 Group Communication Flight |
| 25 OTU | No. 25 Operational Training Unit RAF |
| 25 RFS | No. 25 Reserve Flying School |
| 25 Sqn | No. 25 Squadron RAF |
| 250 Sqn | No. 250 Squadron RAF |
| 251 Sqn | No. 251 Squadron RAF |
| 252 Sqn | No. 252 Squadron RAF |
| 253 Sqn | No. 253 Squadron RAF |
| 254 Sqn | No. 254 Squadron RAF |
| 255 Sqn | No. 255 Squadron RAF |
| 256 Sqn | No. 256 Squadron RAF |
| 257 Sqn | No. 257 Squadron RAF |
| 258 Sqn | No. 258 Squadron RAF |
| 259 Sqn | No. 259 Squadron RAF |
| 26 AACU | No. 26 Anti-Aircraft Co-operation Unit |
| 26 OTU | No. 26 Operational Training Unit RAF |
| 26 Sqn | No. 26 Squadron RAF |
| 260 Sqn | No. 260 Squadron RAF |
| 260 Sqn | No.260 Squadron RAF |
| 261 Sqn | No. 261 Squadron RAF |
| 262 Sqn | No. 262 Squadron RAF |
| 263 Sqn | No. 263 Squadron RAF |
| 264 Sqn | No. 264 Squadron RAF |
| 265 Sqn | No. 265 Squadron RAF |
| 266 Sqn | No. 266 Squadron RAF |
| 267 Sqn | No. 267 Squadron RAF |
| 268 Sqn | No. 268 Squadron RAF |
| 269 Sqn | No. 269 Squadron RAF |
| 27 Gp Comm Flt | No. 27 Group Communication Flight |
| 27 MU | No. 27 Maintenance Unit RAF |
| 27 OTU | No. 27 Operational Training Unit RAF |
| 27 Sqn | No. 27 Squadron RAF |
| 271 Sqn | No. 271 Squadron RAF |
| 272 MU | No. 272 Maintenance Unit RAF |
| 272 Sqn | No. 272 Squadron RAF |
| 273 MU | No. 273 Maintenance Unit RAF |
| 273 Sqn | No. 273 Squadron RAF |
| 274 MU | No. 274 Maintenance Unit RAF |
| 274 Sqn | No. 274 Squadron RAF |
| 275 Sqn | No. 275 Squadron RAF |
| 276 Sqn | No. 276 Squadron RAF |
| 277 Sqn | No. 277 Squadron RAF |
| 278 Sqn | No. 278 Squadron RAF |
| 279 Sqn | No. 279 Squadron RAF |
| 28 EFTS | No. 28 Elementary Flying Training School |
| 28 OTU | No. 28 Operational Training Unit RAF |
| 28 Sqn | No. 28 Squadron RAF |
| 280 Sqn | No. 280 Squadron RAF |
| 281 Sqn | No. 281 Squadron RAF |
| 282 Sqn | No. 282 Squadron RAF |
| 283 Sqn | No. 283 Squadron RAF |
| 284 Sqn | No. 284 Squadron RAF |
| 285 Sqn | No. 285 Squadron RAF |
| 286 Sqn | No. 286 Squadron RAF |
| 287 Sqn | No. 287 Squadron RAF |
| 288 Sqn | No. 288 Squadron RAF |
| 289 Sqn | No. 289 Squadron RAF |
| 29 EFTS | No. 29 Elementary Flying Training School |
| 29 MU | No. 29 Maintenance Unit RAF |
| 29 OTU | No. 29 Operational Training Unit RAF |
| 29 Sqn | No. 29 Squadron RAF |
| 290 Sqn | No. 290 Squadron RAF |
| 291 Sqn | No. 291 Squadron RAF |
| 292 Sqn | No. 292 Squadron RAF |
| 293 Sqn | No. 293 Squadron RAF |
| 294 Sqn | No. 294 Squadron RAF |
| 295 Sqn | No. 295 Squadron RAF |
| 295 Sqn & 113 Sqn | No. 295 Squadron RAF?&?No. 113 Squadron RAF |
| 296 Sqn | No. 296 Squadron RAF |
| 297 Sqn | No. 297 Squadron RAF |
| 298 Sqn | No. 298 Squadron RAF |
| 299 Sqn | No. 299 Squadron RAF |
| 2TAF Comm. Sqn. | 2nd Tactical Air Force Communication Squadron |
| 3 (RAAF) Sqn / 3 Sqn RAAF | No. 3 Squadron RAAF |
| 3 ANS | No. 3 Air Navigation School |
| 3 APS | No. 3 Armament Practice Station |
| 3 EFTS | No. 3 Elementary Flying Training School |
| 3 FP | No. 3 Ferry Pool |
| 3 FTS | No. 3 Flying Training School RAF |
| 3 FTS | No. 3 Flying Training Scholl |
| 3 Gp Comm Flt | No. 3 Group Communication Flight |
| 3 GTS | No. 3 Glider Training School |
| 3 LFS | No. 3 Lancaster Finishing School |
| 3 RFS | No. 3 Reserve Flying School |
| 3 S of GR | No. 3 School of General Reconnaissance |
| 3 SFTS | No. 3 Service Flying Training School |
| 3 SofGR | No. 3 School of General Reconnaissance |
| 3 Sqn | No. 3 Squadron RAF |
| 3 Sqn RAAF | No. 3 Squadron RAAF |
| 3 Sqn SAAF | 3 Squadron SAAF |
| 3 TEU | No. 3 Tactical Exercise Unit |
| 30 MU | No. 30 Maintenance Unit RAF |
| 30 OTU | No. 30 Operational Training Unit RAF |
| 30 Sqn | No. 30 Squadron RAF |
| 30 Sqn & Airwork | No. 30 Squadron RAF?&?Airwork Ltd. |
| 30 Sqn RAAF | No. 30 Squadron RAAF |
| 300 (Polish) Sqn | No. 300 (Polish) Squadron RAF |
| 300 Sqn | No. 300 Squadron RAF |
| 301 (Polish) Sqn | No. 301 (Polish) Squadron RAF |
| 301 Sqn | No. 301 Squadron RAF |
| 302 Sqn | No. 302 Squadron RAF |
| 303 (Polish) Sqn | No. 303 (Polish) Squadron RAF |
| 303 Sqn | No. 303 Squadron RAF |
| 304 (Polish) Sqn | No. 304 (Polish) Squadron RAF |
| 304 Sqn | No. 304 Squadron RAF |
| 305 Sqn | No. 305 Squadron RAF |
| 306 Sqn | No. 306 Squadron RAF |
| 307 (Polish) Sqn | No. 307 (Polish) Squadron RAF |
| 307 Sqn | No. 307 Squadron RAF |
| 308 Sqn | No. 308 Squadron RAF |
| 309 (Polish) Sqn | No. 309 (Polish) Squadron RAF |
| 309 Sqn | No. 309 Squadron RAF |
| 31 GRS | No. 31 General Reconnaissance School |
| 31 OTU | No. 31 Operational Training Unit RAF |
| 31 Sqn | No. 31 Squadron RAF |
| 310 (Czech) Sqn | No. 310 (Czech) Squadron RAF |
| 310 Sqn | No. 310 Squadron RAF |
| 311 Sqn | No. 311 Squadron RAF |
| 312 (Czech) Sqn | No. 312 (Czech) Squadron RAF |
| 312 Sqn | No. 312 Squadron RAF |
| 313 Sqn | No. 313 Squadron RAF |
| 314 Sqn (not formed as a flying unit) | No. 314 Squadron RAF |
| 315 Sqn | No. 315 Squadron RAF |
| 316 Sqn | No. 316 Squadron RAF |
| 317 Sqn | No. 317 Squadron RAF |
| 318 (Polish) Sqn | No. 318 (Polish) Squadron RAF |
| 318 Sqn | No. 318 Squadron RAF |
| 319 Sqn (not formed) | No. 319 Squadron RAF |
| 32 MU | No. 32 Maintenance Unit RAF |
| 32 OTU | No. 32 Operational Training Unit RAF |
| 32 Sqn | No. 32 Squadron RAF |
| 32 Sqn RAAF | No. 32 Squadron RAAF |
| 320 (Dutch) Sqn | No. 320 Squadron RAF |
| 320 Sqn | No. 320 Squadron RAF |
| 321 (Dutch) Sqn | No. 321 Squadron RAF |
| 322 (Dutch) Sqn | No. 322 Squadron RAF |
| 323 Sqn (not formed) | No. 323 Squadron RAF |
| 324 Sqn (not formed) | No. 324 Squadron RAF |
| 325 Sqn (not formed) | No. 325 Squadron RAF |
| 326 Sqn | No. 326 Squadron RAF |
| 327 Sqn | No. 327 Squadron RAF |
| 328 Sqn | No. 328 Squadron RAF |
| 329 (French) Sqn | No. 329 (French) Squadron RAF |
| 329 Sqn | No. 329 Squadron RAF |
| 33 MU | No. 33 Maintenance Unit RAF |
| 33 Sqn | No. 33 Squadron RAF |
| 330 Sqn | No. 330 Squadron RAF |
| 331 Sqn | No. 331 (Norwegian) Squadron RAF |
| 331 Sqn | No. 331 Squadron RAF |
| 332 (Norwegian) Sqn | No. 332 (Norwegian) Squadron RAF |
| 332 Sqn | No. 332 Squadron RAF |
| 333 Sqn | No. 333 Squadron RAF |
| 334 Sqn | No. 334 Squadron RAF |
| 335 Sqn | No. 335 Squadron RAF |
| 336 Sqn | No. 336 Squadron RAF |
| 337 Sqn (not formed) | No. 337 Squadron RAF |
| 338 Sqn (not formed) | No. 338 Squadron RAF |
| 339 Sqn (not formed) | No. 339 Squadron RAF |
| 34 OTU | No. 34 Operational Training Unit RAF |
| 34 Sqn | No. 34 Squadron RAF |
| 340 (French) Sqn | No. 340 (French) Squadron RAF |
| 340 Sqn | No. 340 Squadron RAF |
| 341 (French) Sqn | No. 341 (French) Squadron RAF |
| 341 Sqn | No. 341 Squadron RAF |
| 342 Sqn | No. 342 Squadron RAF |
| 343 Sqn | No. 343 Squadron RAF |
| 344 Sqn | No. 344 Squadron RAF |
| 345 Sqn | No. 345 Squadron RAF |
| 346 (French) Sqn | No. 346 (French) Squadron RAF |
| 346 Sqn | No. 346 Squadron RAF |
| 347 Sqn | No. 347 Squadron RAF |
| 348 Sqn (not formed) | No. 348 Squadron RAF |
| 349 (Belgian) Sqn | No. 349 (Belgian) Squadron RAF |
| 349 Sqn | No. 349 Squadron RAF |
| 35 Sqn | No. 35 Squadron RAF |
| 350 (Belgian) Sqn | No. 350 (Belgian) Squadron RAF |
| 350 Sqn | No. 350 Squadron RAF |
| 358 Sqn | No. 358 Squadron RAF |
| 36 OTU | No. 36 Operational Training Unit RAF |
| 36 Sqn | No. 36 Squadron RAF |
| 360 Sqn | No. 360 Squadron RAF |
| 37 Sqn | No. 37 Squadron RAF |
| 38 Gp Comm Flt | No. 38 Group Communication Flight |
| 38 MU | No. 38 Maintenance Unit RAF |
| 38 Sqn | No. 39 Squadron RAF |
| 38 Sqn | No. 38 Squadron RAF |
| 39 MU | No. 39 Maintenance Unit RAF |
| 39 Sqn | No. 39 Squadron RAF |
| 4 (A)FTS | No. 14 (Advanced) Flying Training Scholl |
| 4 EFTS | No. 4 Elementary Flying Training School |
| 4 FP | No. 4 Ferry Pool |
| 4 FTS | No. 4 Flying Training School RAF |
| 4 Gp Comm Flt | No. 4 Group Communication Flight |
| 4 OTU | No. 4 Operational Training Unit RAF |
| 4 RFS | No. 4 Reserve Flying School |
| 4 RS | No. 4 Radio School |
| 4 Sqn | No. 4 Squadron RAF |
| 4 Sqn SAAF | 4 Squadron SAAF |
| 40 Sqn | No. 40 Squadron RAF |
| 40 Sqn SAAF | 40 Squadron SAAF |
| 400 Sqn RCAF | No. 400 Squadron RCAF |
| 401 Sqn RCAF | No. 401 Squadron RCAF |
| 402 Sqn RCAF | No. 402 Squadron RCAF |
| 403 Sqn RCAF | No. 403 Squadron RCAF |
| 404 Sqn RCAF | No. 404 Squadron RCAF |
| 405 Sqn RCAF | No. 405 Squadron RCAF |
| 406 Sqn RCAF | No. 406 Squadron RCAF |
| 407 Sqn RCAF | No. 407 Squadron RCAF |
| 408 Sqn RCAF | No. 408 Squadron RCAF |
| 409 Sqn RCAF | No. 409 Squadron RCAF |
| 41 Gp Comm Flt | No. 41 Group Communication Flight |
| 41 OTU | No. 41 Operational Training Unit RAF |
| 41 Sqn | No. 41 Squadron RAF |
| 410 Sqn RCAF | No. 410 Squadron RCAF |
| 411 Sqn RCAF | No. 411 Squadron RCAF |
| 412 Sqn RCAF | No. 412 Squadron RCAF |
| 414 Sqn RCAF | No. 414 Squadron RCAF |
| 415 Sqn RCAF | No. 415 Squadron RCAF |
| 416 Sqn RCAF | No. 416 Squadron RCAF |
| 417 Sqn RCAF | No. 417 Squadron RCAF |
| 418 Sqn RCAF | No. 418 Squadron RCAF |
| 419 Sqn RCAF | No. 419 Squadron RCAF |
| 42 (Belgian) Sqn | No. 42 (Belgian) Squadron RAF |
| 42 Gp Comm Flt | No. 42 Group Communication Flight |
| 42 Sqn | No. 42 Squadron RAF |
| 420 Sqn RCAF | No. 420 Squadron RCAF |
| 421 Flt | No. 421 (Reconnaissance) Flight RAF |
| 421 Flt | No. 421 Flight RAF |
| 421 Sqn RCAF | No. 421 Squadron RCAF |
| 422 Sqn RCAF | No. 422 Squadron RCAF |
| 423 Sqn RCAF | No. 423 Squadron RCAF |
| 424 Sqn RCAF | No. 413 Squadron RCAF |
| 424 Sqn RCAF | No. 424 Squadron RCAF |
| 425 Sqn RCAF | No. 425 Squadron RCAF |
| 426 Sqn | No. 426 Squadron RAF |
| 426 Sqn RCAF | No. 426 Squadron RCAF |
| 427 Sqn RCAF | No. 427 Squadron RCAF |
| 428 Sqn RCAF | No. 428 Squadron RCAF |
| 429 Sqn RCAF | No. 429 Squadron RCAF |
| 43 Gp Comm Flt | No. 43 Group Communication Flight |
| 43 OTU | No. 43 Operational Training Unit RAF |
| 43 Sqn | No. 43 Squadron RAF |
| 430 Sqn RCAF | No. 430 Squadron RCAF |
| 431 Sqn RCAF | No. 431 Squadron RCAF |
| 432 Sqn RCAF | No. 432 Squadron RCAF |
| 433 Sqn RCAF | No. 433 Squadron RCAF |
| 434 Sqn RCAF | No. 434 Squadron RCAF |
| 436 Sqn | No. 436 Squadron RAF |
| 436 Sqn RCAF | No. 436 Squadron RCAF |
| 437 Sqn | No. 437 Squadron RAF |
| 437 Sqn RCAF | No. 437 Squadron RCAF |
| 438 Sqn RCAF | No. 438 Squadron RCAF |
| 439 Sqn RCAF | No. 439 Squadron RCAF |
| 44 Gp Comm Flt | No. 44 Group Communication Flight |
| 44 MU | No. 44 Maintenance Unit RAF |
| 44 Sqn | No. 44 Squadron RAF |
| 440 Sqn RCAF | No. 440 Squadron RCAF |
| 441 Sqn RCAF | No. 441 Squadron RCAF |
| 442 Sqn RCAF | No. 442 Squadron RCAF |
| 443 Sqn RCAF | No. 443 Squadron RCAF |
| 45 MU | No. 45 Maintenance Unit RAF |
| 45 Sqn | No. 45 Squadron RAF |
| 45 Sqn | No.45 Squadron RAF |
| 450 Sqn RAAF | No. 450 Squadron RAAF |
| 451 Sqn RAAF | No. 451 Squadron RAAF |
| 452 Sqn RAAF | No. 452 Squadron RAAF |
| 452 Sqn Sqn RAAF | No. 452 Squadron RAAF |
| 453 Sqn RAAF | No. 453 Squadron RAAF |
| 455 Sqn RAAF | No. 455 Squadron RAAF |
| 456 Sqn RAAF | No. 456 Squadron RAAF |
| 457 Sqn | No. 457 Squadron RAF |
| 457 Sqn RAAF | No. 457 Squadron RAAF |
| 458 Sqn RAAF | No. 458 Squadron RAAF |
| 459 Sqn RAAF | No. 459 Squadron RAAF |
| 46 MU | No. 46 Maintenance Unit RAF |
| 46 Sqn | No. 46 Squadron RAF |
| 46 Sqn & 114 Sqn | No. 46 Squadron RAF?&?No. 114 Squadron RAF |
| 460 Sqn RAAF | No. 460 Squadron RAAF |
| 461 Sqn RAAF | No. 461 Squadron RAAF |
| 462 Sqn | No. 462 Squadron RAF |
| 463 Sqn RAAF | No. 463 Squadron RAAF |
| 464 RAAF | No. 464 Squadron RAAF |
| 466 Sqn | No. 466 Squadron RAF |
| 466 Sqn RAAF | No. 466 Squadron RAAF |
| 467 Sqn RAAF | No. 467 Squadron RAAF |
| 47 Sqn | No. 47 Squadron RAF |
| 48 Gp Comm Flt | No. 48 Group Communication Flight |
| 48 MU | No. 48 Maintenance Unit RAF |
| 48 OTU | No. 84 Operational Training Unit RAF |
| 48 Sqn | No. 48 Squadron RAF |
| 485 Sqn RNZAF / 485 (NZ) Sqn | No. 485 Squadron RNZAF |
| 486 Sqn RNZAF / 464 (RNZAF) Sqn | No. 486 Squadron RNZAF |
| 487 (RNZAF) Sqn / 487 Sqn RNZAF | No. 487 Squadron RNZAF |
| 488 (RNZAF) Sqn / 488 Sqn RNZAF | No. 488 Squadron RNZAF |
| 488 Sqn | No. 488 Squadron RAF |
| 489 (RNZAF) Sqn / 489 Sqn RNZAF | No. 489 Squadron RNZAF |
| 489 Sqn | No. 489 Squadron RAF |
| 49 Sqn | No. 49 Squadron RAF |
| 5 (P) AFU | No. 5 (Pilot) Advanced Flying Unit |
| 5 (P)AFU | No. 5 (Pilots) Advanced Flying Unit |
| 5 (P)AFU | No. 5 (Pilot) Advanced Flying Unit |
| 5 ANS | No. 5 Air Navigation School |
| 5 ANS | No. 7 Air Navigation School |
| 5 CPF | No. 5 Coastal Patrol Flight RAF |
| 5 FP | No. 5 Ferry Pool RAF |
| 5 FTS | No. 5 Flying Training School RAF |
| 5 FTS | No. 5 Flying Training School |
| 5 Gp Comm Flt | No. 5 Group Communication Flight |
| 5 LFS | No. 5 Lancaster Finishing School |
| 5 METS | No. 5 Middle East Training School |
| 5 MU | No. 5 Maintenance Unit RAF |
| 5 RFS | No. 5 Reserve Flying School |
| 5 Sqn | No. 5 Squadron RAF |
| 5 Sqn SAAF | 5 Squadron SAAF |
| 50 Sqn | No. 50 Squadron RAF |
| 500 Sqn | No. 500 Squadron RAF |
| 501 Sqn | No. 501 Squadron RAF |
| 502 Sqn | No. 502 Squadron RAF |
| 503 Sqn | No. 503 Squadron RAF |
| 504 Sqn | No. 504 Squadron RAF |
| 505 Sqn (not formed) | No. 505 Squadron RAF |
| 506 Sqn (not formed) | No. 506 Squadron RAF |
| 507 Sqn (not formed) | No. 507 Squadron RAF |
| 508 Sqn (not formed) | No. 508 Squadron RAF |
| 509 Sqn (not formed) | No. 509 Squadron RAF |
| 51 MU | No. 51 Maintenance Unit RAF |
| 51 OTU | No. 51 Operational Training Unit RAF |
| 51 Sqn | No. 51 Squadron RAF |
| 510 Sqn | No. 510 Squadron RAF |
| 511 Sqn | No. 511 Squadron RAF |
| 512 Sqn | No. 512 Squadron RAF |
| 512 Sqn & 241 Sqn | No. 512 Squadron RAF?&?No. 241 Squadron RAF |
| 513 Sqn | No. 513 Squadron RAF |
| 514 Sqn | No. 514 Squadron RAF |
| 515 Sqn | No. 515 Squadron RAF |
| 516 Sqn | No. 516 Squadron RAF |
| 517 Sqn | No. 517 Squadron RAF |
| 518 Sqn | No. 518 Squadron RAF |
| 519 Sqn | No. 519 Squadron RAF |
| 52 OTU | No. 52 Operational Training Unit RAF |
| 52 Sqn | No. 52 Squadron RAF |
| 520 Sqn | No. 520 Squadron RAF |
| 521 Sqn | No. 521 Squadron RAF |
| 524 Sqn | No. 524 Squadron RAF |
| 525 Sqn | No. 525 Squadron RAF |
| 526 Sqn | No. 526 Squadron RAF |
| 527 Sqn | No. 527 Squadron RAF |
| 529 Sqn | No. 529 Squadron RAF |
| 53 OTU | No. 53 Operational Training Unit RAF |
| 53 Sqn | No. 53 Squadron RAF |
| 53 Sqn & 99 Sqn | No. 53 Squadron RAF?&?No. 99 Squadron RAF |
| 54 Gp Comm Flt | No. 54 Group Communication Flight |
| 54 OTU | No. 54 Operational Training Unit RAF |
| 54 OTU RAAF | No. 54 Operational Training Unit RAAF |
| 54 Sqn | No. 54 Squadron RAF |
| 540 Sqn | No. 540 Squadron RAF |
| 541 Sqn | No. 541 Squadron RAF |
| 547 Sqn | No. 547 Squadron RAF |
| 548 Sqn | No. 548 Squadron RAF |
| 549 Sqn | No. 549 Squadron RAF |
| 55 OTU | No. 55 Operational Training Unit RAF |
| 55 Sqn | No. 55 Squadron RAF |
| 550 Sqn | No. 550 Squadron RAF |
| 56 OTU | No. 56 Operational Training Unit RAF |
| 56 Sqn | No. 56 Squadron RAF |
| 567 Sqn | No. 567 Squadron RAF |
| 57 Gp Comm Flt | No. 84 Group Communication Flight |
| 57 OTU | No. 57 Operational Training Unit RAF |
| 57 Sqn | No. 57 Squadron RAF |
| 570 Sqn | No. 570 Squadron RAF |
| 571 Sqn | No. 571 Squadron RAF |
| 575 Sqn | No. 575 Squadron RAF |
| 576 Sqn | No. 576 Squadron RAF |
| 577 Sqn | No. 577 Squadron RAF |
| 578 Sqn | No. 578 Squadron RAF |
| 58 OTU | No. 58 Operational Training Unit RAF |
| 58 Sqn | No. 58 Squadron RAF |
| 582 Sqn | No. 582 Squadron RAF |
| 587 Sqn | No. 587 Squadron RAF |
| 59 OTU | No. 59 Operational Training Unit RAF |
| 59 Sqn | No. 59 Squadron RAF |
| 595 Sqn | No. 595 Squadron RAF |
| 6 EFTS | No. 6 Elementary Flying Training School |
| 6 FTS | No. 6 Flying Training School RAF |
| 6 FTS | No. 6 Flying Training School |
| 6 FTS | No. 6 Flying Training School RAF |
| 6 Gp Comm Flt | No. 6 Group Communication Flight |
| 6 MU | No. 6 Maintenance Unit RAF |
| 6 OTU | No. 6 Operational Training Unit RAF |
| 6 RFS | No. 6 Reserve Flying School |
| 6 SFTS | No. 6 Service Flying Training School |
| 6 Sqn | No. 6 Squadron RAF |
| 6 Sqn RAAF | No. 6 Squadron RAAF |
| 60 OTU | No. 60 Operational Training Unit RAF |
| 60 Sqn | No. 60 Squadron RAF |
| 600 Sqn | No. 600 Squadron RAF |
| 601 Sqn | No. 601 Squadron RAF |
| 602 Sqn | No. 602 Squadron RAF |
| 603 Sqn | No. 603 Squadron RAF |
| 604 Sqn | No. 604 Squadron RAF |
| 605 Sqn | No. 605 Squadron RAF |
| 606 Sqn | No. 606 Squadron RAF |
| 607 Sqn | No. 607 Squadron RAF |
| 608 Sqn | No. 608 (North Riding) Squadron RAF |
| 608 Sqn | No. 608 Squadron RAF |
| 609 Sqn | No. 609 Squadron RAF |
| 609 Sqn | No. 609 (West Riding) Squadron RAF |
| 609 Sqn | No. 609 Squadron RAF |
| 61 Grp Comm Flt | No. 61 Group Communication Flight |
| 61 OTU | No. 61 Operational Training Unit RAF |
| 61 Sqn | No. 61 Squadron RAF |
| 610 Sqn | No. 610 Squadron RAF |
| 611 Sqn | No. 611 Squadron RAF |
| 612 Sqn | No. 612 Squadron RAF |
| 613 Sqn | No. 613 Squadron RAF |
| 614 Sqn | No. 614 Squadron RAF |
| 614A Sqn | No. 614A Squadron RAF |
| 615 Sqn | No. 615 Squadron RAF |
| 616 Sqn | No. 616 Squadron RAF |
| 617 Sqn | No. 617 Squadron RAF |
| 618 Sqn | No. 618 Squadron RAF |
| 619 Sqn | No. 619 Squadron RAF |
| 62 Grp Comm Flt | No. 62 Group Communication Flight |
| 62 Sqn | No. 62 Squadron RAF |
| 62? Sqn | No. 62? Squadron RAF |
| 620 Sqn | No. 620 Squadron RAF |
| 621 Sqn | No. 621 Squadron RAF |
| 622 Sqn | No. 622 Squadron RAF |
| 622 Sqn & Airwork | No. 622 Squadron RAF?&?Airwork Ltd. |
| 623 Sqn | No. 623 Squadron RAF |
| 624 Sqn | No. 624 Squadron RAF |
| 625 Sqn | No. 625 Squadron RAF |
| 626 Sqn | No. 626 Squadron RAF |
| 627 Sqn | No. 627 Squadron RAF |
| 628 Sqn | No. 628 Squadron RAF |
| 629 Sqn (not formed) | No. 629 Squadron RAF |
| 63 Grp Comm Flt | No. 63 Group Communication Flight |
| 63 OTU | No. 63 Operational Training Unit RAF |
| 63 Sqn | No. 63 Squadron RAF |
| 630 Sqn | No. 630 Squadron RAF |
| 631 Sqn | No. 631 Squadron RAF |
| 632 Sqn (not formed) | No. 632 Squadron RAF |
| 635 Sqn | No. 635 Squadron RAF |
| 636 Sqn (not formed) | No. 636 Squadron RAF |
| 637 Sqn (not formed) | No. 637 Squadron RAF |
| 638 Sqn (not formed) | No. 638 Squadron RAF |
| 639 Sqn | No. 639 Squadron RAF |
| 64 Grp Comm Flt | No. 64 Group Communication Flight |
| 64 Sqn | No. 64 Squadron RAF |
| 640 Sqn | No. 640 Squadron RAF |
| 641 Sqn (not formed) | No. 641 Squadron RAF |
| 642 Sqn (not formed) | No. 642 Squadron RAF |
| 643Sqn (not formed) | No. 643 Squadron RAF |
| 644 Sqn | No. 644 Squadron RAF |
| 645 Sqn (not formed) | No. 645 Squadron RAF |
| 646 Sqn (not formed) | No. 646 Squadron RAF |
| 647 Sqn (not formed) | No. 647 Squadron RAF |
| 648 Sqn (not formed) | No. 648 Squadron RAF |
| 649 Sqn (not formed) | No. 649 Squadron RAF |
| 65 Sqn | No. 65 Squadron RAF |
| 650 Sqn | No. 650 Squadron RAF |
| 651 Sqn | No. 651 Squadron RAF |
| 652 Sqn | No. 652 Squadron RAF |
| 654 Sqn | No. 654 Squadron RAF |
| 655 Sqn | No. 655 Squadron RAF |
| 657 Sqn | No. 657 Squadron RAF |
| 66 Grp Comm Flt | No. 66 Group Communication Flight |
| 66 Sqn | No. 66 Squadron RAF |
| 660 Sqn | No. 660 Squadron RAF |
| 661 Sqn | No. 661 Squadron RAF |
| 662 Sqn | No. 662 Squadron RAF |
| 663 Sqn | No. 663 Squadron RAF |
| 664 Sqn | No. 664 Squadron RAF |
| 666 Sqn | No. 666 Squadron RAF |
| 667 Sqn | No. 667 Squadron RAF |
| 67 Sqn | No. 67 Squadron RAF |
| 679 Sqn | No. 679 Squadron RAF |
| 68 Sqn | No. 68 Squadron RAF |
| 69 Sqn | No. 69 Squadron RAF |
| 691 Sqn | No. 691 Squadron RAF |
| 692 Sqn | No. 692 Squadron RAF |
| 7 (Belgian AF) Sqn | No. 7 (Belgian AF) Squadron RAF |
| 7 ANS | No. 7 Air Navigation School |
| 7 EFTS | No. 7 Elementary Flying Training School |
| 7 FTS | No. 7 Flying Training School RAF |
| 7 FTS | No. 7 Flying Training School |
| 7 FTS | No. 7 Flying Training School RAF |
| 7 FTS | No. 7 Flying Training School |
| 7 RFS | No. 7 Reserve Flying School |
| 7 SFTS | No. 7 Service Flying Training School |
| 7 Sqn RAAF | No. 7 Squadron RAAF |
| 7 Sqn SAAF | 7 Squadron SAAF |
| 70 Sqn | No. 70 Squadron RAF |
| 72 Sqn | No. 72 Squadron RAF |
| 74Wg. Cal. Flt | No. 74 Wing Calibration Flight |
| 75 Sqn | No. 75 Squadron RAF |
| 75Wg. Cal. Flt | No. 75 Wing Calibration Flight |
| 76 Wg Cal Flt | No. 76 Wing Calibration Flight |
| 76Wg. Cal. Flt | No. 76 Wing Calibration Flight |
| 77 Sqn | No. 77 Squadron RAF |
| 77 Sqn & 271 Sqn | No. 77 Squadron RAF?&?No. 271 Squadron RAF |
| 77 Sqn & 31 Sqn | No. 77 Squadron RAF?&?No. 31 Squadron RAF |
| 78 Sqn | No. 78 Squadron RAF |
| 79 Sqn | No. 79 Squadron RAF |
| 8 (A) FTS | No. 8 (Advanced) Flying Training School |
| 8 (A)FTS | No. 8 (Advanced) Flying Training School |
| 8 EFTS | No. 8 Elementary Flying Training School |
| 8 FTS | No. 8 Flying Training School |
| 8 FTS | No. 8 Flying Training School RAF |
| 8 Gp Comm Flt | No. 8 Group Communication Flight |
| 8 MU | No. 8 Maintenance Unit RAF |
| 8 OTU | No. 8 Operational Training Unit RAF |
| 8 RFS | No. 8 Reserve Flying School |
| 8 Sqn | No. 7 Squadron RAF |
| 8 Sqn | No. 8 Squadron RAF |
| 8 Sqn | No. 7 Squadron RAF |
| 8 Sqn | No. 8 Squadron RAF |
| 8 Sqn RAAF | No. 8 Squadron RAAF |
| 80 Sqn | No. 70 Squadron RAF |
| 80 Sqn | No. 80 Squadron RAF |
| 8016 Flt | No. 1680 Flight RAF |
| 81 OTU | No. 81 Operational Training Unit RAF |
| 81 Sqn | No. 71 Squadron RAF |
| 81 Sqn | No. 81 Squadron RAF |
| 81 Sqn | No. 71 Squadron RAF |
| 82 OTU | No. 82 Operational Training Unit RAF |
| 82 Sqn | No. 72 Squadron RAF |
| 82 Sqn | No. 82 Squadron RAF |
| 82 Sqn | No. 72 Squadron RAF |
| 82 Sqn | No. 82 Squadron RAF |
| 83 Gp Comm Flt | No. 83 Group Communication Flight |
| 83 Gp SU | No. 83 Group Support Unit |
| 83 OTU | No. 83 Operational Training Unit RAF |
| 83 Sqn | No. 83 Squadron RAF |
| 83 Sqn | No. 73 Squadron RAF |
| 83 Sqn | No. 83 Squadron RAF |
| 83 Sqn | No. 73 Squadron RAF |
| 84 Gp Comm Flt | No. 84 Group Communication Flight |
| 84 OTU | No. 84 Operational Training Unit RAF |
| 84 Sqn | No. 74 Squadron RAF |
| 84 Sqn | No. 84 Squadron RAF |
| 84 Sqn | No. 74 Squadron RAF |
| 84 Sqn | No. 84 Squadron RAF |
| 84 Sqn | No. 74 Squadron RAF |
| 84 Sqn | No. 84 Squadron RAF |
| 85 Gp Comm Flt | No. 85 Group Communication Flight |
| 85 OTU | No. 85 Operational Training Unit RAF |
| 85 OTU | No. 80 Operational Training Unit RAF |
| 85 OTU | No. 85 Operational Training Unit RAF |
| 85 Sqn | No. 75 Squadron RAF |
| 85 Sqn | No. 85 Squadron RAF |
| 86 Sqn | No. 86 Squadron RAF |
| 86 Sqn | No. 76 Squadron RAF |
| 86 Sqn | No. 86 Squadron RAF |
| 87 Gp Comm Flt | No. 87 Group Communication Flight |
| 87 Sqn | No. 87 Squadron RAF |
| 87 Sqn | No. 77 Squadron RAF |
| 87 Wg Comm Flt | No. 87 Wing Communication Flight |
| 88 Gp Comm Flt | No. 88 Group Communication Flight |
| 88 Sqn | No. 78 Squadron RAF |
| 88 Sqn | No. 88 Squadron RAF |
| 88 Sqn | No. 78 Squadron RAF |
| 89 Sqn | No. 89 Squadron RAF |
| 89 Sqn | No. 79 Squadron RAF |
| 9 (A) FTS | No. 9 (Advanced) Flying Training School |
| 9 (A)FTS | No. 9 (Advanced) Flying Training School |
| 9 AFTS | No. 9 Advanced Flying Training School |
| 9 FTS | No. 9 Flying Training School |
| 9 Gp TTF | No. 9 Group Target Towing Flight |
| 9 MU | No. 9 Maintenance Unit RAF |
| 9 RFS | No. 9 Reserve Flying School |
| 9 Sqn | No. 9 Squadron RAF |
| 90 Sqn | No. 90 Squadron RAF |
| 91 Sqn | No. 91 Squadron RAF |
| 92 Sqn | No. 92 Squadron RAF |
| 93 Sqn | No. 93 Squadron RAF |
| 94 Sqn | No. 94 Squadron RAF |
| 94 Sqn | No. 95 Squadron RAF |
| 94 Sqn | No. 94 Squadron RAF |
| 95 Sqn | No. 95 Squadron RAF |
| 956 Sqn | No. 695 Squadron RAF |
| 96 Sqn | No. 96 Squadron RAF |
| 97 Sqn | No. 97 Squadron RAF |
| 98 Sqn | No.98 Squadron RAF |
| 98 Sqn | No. 98 Squadron RAF |
| 99 Sqn | No. 99 Squadron RAF |
| A/SWDU | Air / Sea Warfare Development Unit |
| A/SWDU | Air/Sea Warfare Development Unit |
| A& AEE | Aeroplane & Armament Experimental Establishment |
| A&AEE | Aeroplane & Armament Experimental Establishment |
| Ab UAS | Aberdeen University Air Squadron |
| Aber UAS | Aberdeen University Air Squadron |
| ACS | Airfield Controllers School |
| ADLS | Air Dispatch Letter Squadron |
| AFDE | Air Fighting Development Establishment |
| AFDU | Air Fighting Development Unit |
| AFEE | Airborne Forces Experimental Establishment |
| AOPS | Air Observation Post School |
| APS Acklington | Armament Practice Station Acklington |
| AT Sqn | Air Training Squadron |
| B App S | Beam Approach School |
| BAFO Comm Sqn | British Air Forces of Occupation Communication Squadron |
| BAFO Comm Sqn. | British Air Forces of Occupation Communication Squadron |
| BAFO Comm Wg | British Air Forces of Occupation Communication Wing |
| BBU | Bomb Ballistic Unit |
| BC Comm Sqn | Bomber Command Communication Squadron |
| BCDU | Bomber Command Development Unit |
| BCFU | Bomber Command Film Unit |
| BCIR&E Flt | Bomber Command Instrument Rating and Examining Flight |
| BCIS | Bomber Command Instructors School |
| Birm UAS | Birmingham University Air Squadron |
| BOAC | British Overseas Airways Corporation |
| Brist UAS | Bristol University Air Squadron |
| BSDU | Bomber Support Development Unit |
| BTU | Bombing Trials Unit |
| Camb UAS | Cambridge University Air Squadron |
| CBE | Central Bomber Establishment |
| CCFAU | Coastal Command Fighter Affiliation Unit |
| CCFIS | Coastal Command Flying Instructors School |
| CCIS | Coastal Command Instructors School |
| CFE | Central Fighter Establishment |
| CFS | Central Flying School |
| CGS | Central Gunnery School |
| CN & CS | Central Navigation and Control School |
| CNS | Central Navigation School |
| Coastal Cmd Comm Flt | Coastal Command Communication Flight |
| Colerne Comm. Sqn. | Colerne Communication Squadron RAF |
| CSE | Central Signals Establishment |
| CST Flt | Canberra Standardisation and Training Flight |
| Der UAS | Derby University Air Squadron |
| Dur UAS | Durham University Air Squadron |
| EAAS | Empire Air Armament School |
| EANS | Empire Air Navigation School |
| ECFS | Empire Central Flying School |
| Edin UAS | Edinburgh University Air Squadron |
| EFS | Empire Flying School |
| ERS | Empire Radio School |
| ES Comm Flt | Essex Sector Communication Flight |
| ETPS | Empire Test Pilots School |
| FCC&RS | Fighter Command Control and Reporting School |
| FCCFTS | Fighter Command Communication Flight Training School |
| FCCSTS | Fighter Command Communication Squadron Training School |
| FIU | Fighter Interception Unit |
| FLS | Fighter Leaders School |
| FRS | Flying Refresher School |
| FTCC Flt | Flying Training Command Communication Flight |
| Glas UAS | Glasgow University Air Squadron |
| GPTF | Glider Pick-up Training Flight |
| GPUT Flt | Glider pick-up Training Flight |
| GRU | Gunnery Research Unit |
| HC Flt | Hornet Conversion Flight |
| HOCF | Helicopter Operational Conversion Flight |
| HQ RAF NI Comm Flt | Headquarters Royal Air Force Northern Ireland Communication Flight |
| JASS Flt | Joint Anti-Submarine School Flight |
| K Flt 1 AACU | K Flight 1 Anti-Aircraft Co-operation Unit |
| LAS | Light Aeroplane School |
| Leeds UAS | Leeds University Air Squadron |
| Liv UAS | Liverpool University Air Squadron |
| Lon UAS | London University Air Squadron |
| Lond UAS | London University Air Squadron |
| LTF | Lightning Training Flight |
| M Flt 1 AACU | M Flight 1 Anti-Aircraft Co-operation Unit |
| Maint Cmd Comm Flt | Maintenance Command Communication Flight |
| Man UAS | Manchester University Air Squadron |
| MC Sqn | Metropolitan Communication Squadron |
| Met Comm Sqn | Metropolitan Communication Squadron |
| Metro Comm Flt | Metropolitan Communication Flight |
| Metro Comm. Sqn. | Metropolitan Communication Squadron RAF |
| MFU | Merchant Flying Unit |
| MOTU | Maritime Operational Training Unit |
| MSFU | Merchant Ship Flying Unit |
| N-ES Comm Flt | North-East Sector Communication Flight |
| Nott UAS | Nottingham University Air Squadron |
| NTU | Navigation Training Unit |
| OATS | Officers Advanced Training School |
| Ox UAS | Oxford University Air Squadron |
| Oxf UAS | Oxford University Air Squadron |
| P Flt 1 AACU | P Flight 1 Anti-Aircraft Co-operation Unit |
| PAU | Pilotless Aircraft Unit |
| Perth UAS | Perth University Air Squadron |
| PFT | Polish Fighting Team |
| PRDU | Photographic Reconnaissance Development Unit |
| PRU | Photographic Reconnaissance Unit |
| PTU | Parachute Test Unit |
| Qu UAS | Queens University Air Squadron |
| Queens Flt | Queens Flight RAF |
| Queens UAS | Queens University Air Squadron |
| R Flt, 1 AACU | R Flight, No. 1 Anti-aircraft Co-operation Unit |
| RAF (Bel) TS | RAF (Belgian) Training School |
| RAF Coll FTS | RAF College Flying Training School |
| RAF Fng Coll | RAF Flying College |
| RAF NI Comm Flt | Royal Air Force Northern Ireland Communication Flight |
| RAF SC Flt | RAF Staff College Flight |
| RAFTC | Royal Air Force Technical College |
| Res Cmd Comm Sqn. | Reserve Command Communication Squadron |
| RWE | Radio Warfare Establishment |
| S of ASR | School of Air Sea Rescue |
| S OF ATC | School of Air Traffic Control |
| S OF FC | School of Flying Control |
| S OF MR | School of Maritime Reconnaissance |
| S of P | School of Photography |
| S of Phot | School of Photography |
| S&RTU | Survival and Rescue Training Unit |
| SCH Comm. Sqn. | Supreme Commanders Headquarters Communication Squadron RAF |
| SFU | Signals Flying Unit |
| Silver City | Silver City Airways |
| Soton UAS | Southampton University Air Squadron |
| SS Comm Flt | Southern Sector Communication Flight |
| St And UAS | St. Andrews University Air Squadron |
| St. And UAS | St. Andrews University Air Squadron |
| Swan UAS | Swansea University Air Squadron |
| TT Cmd Comm Flt | Technical Training Command Communication Flight |
| TTTE | Tri-National Tornado Training Establishment |
| U o LAS | University of London Air Squadron |
| ULUAS | University of London Air Squadron |
| Unit Shorthand | Unit |
| WCU | Washington Conversion Unit RAF |
| Wolv UAS | Wolverhampton University Air Squadron |
| WT Flt | Wessex Training Flight |
| WTU | Warwick Training Unit |
| Yates UAS | Yatesbury University Air Squadron |
| (A) | Accountant Branch Officer |
| (E) | Equipment Branch Officer |
| (I) | Intelligence Officer |
| (L) | Legal Branch Officer |
| (M) | Medical Branch Officer |
| (Mc) | Marine Craft Officer |
| (N) | Navigation Instructor Officer |
| (Ph) | Photographic Officer |
| (PM) | Provost-Marshal Duties Officer |
| (PT) | Physical Training Officer |
| (Sp) | Special Duties Office |
| 107 ETC RAC | Regiments, Royal Armoured Corps |
| 10Cav | 10h Queen Victoria's Own Frontier Force (Guides Cavalry) Regiment |
| 10H | 10th Royal Hussars (Prince of Wales's Own) Regiment |
| 11Cav | 11th Prince Albert Victor's Own Cavalry (Frontier Force) Regiment |
| 11H | 11th Hussars (Prince Albert's Own) Regiment |
| 11thIFofC | 11th Regiment (Irish Fusiliers of Canada) |
| 12Cav | 12th Sam Browne's Cavalry (Depot Regiment) |
| 12D | 12th Manitoba Dragoons |
| 12L | 12th Royal Lancers (Prince of Wales's) Regiment |
| 13/18H | 13th/18th Hussars (Queen Mary's Own) Regiment |
| 13Cav | 13th Duke of Connaught's Own Lancers Regiment |
| 14/20H | 14th/20th Hussars Regiment |
| 14Cav | 14th Prince of Wales#s Own Cavalry (Scinde Horse) Regiment |
| 14H | 14th Canadian Light Horse regiment |
| 15/19H | 15th/19th The King's Royal Hussars Regiment |
| 15Cav | 15th Lancers (Depot Regiment) |
| 15H | 15th Alberta Light Horse Regiment |
| 15thALI | 15th Regiment (Argyll Light Infantry) |
| 16/22H | 16th/22nd Saskatchewan Horse Regiment |
| 16/5L | 16th/5th Lancers Regiment |
| 16Cav | 16th Light Cavalry Regiment |
| 17/21L | 17th/21st Lancers Regiment |
| 17Cav | 17th Queen Victoria's Own Cavalry (Poona Horse) Regiment |
| 17CH | 17th Duke of York's Royal Canadian Hussars (7th Reconnaissance Regiment) |
| 17H | 17th Duke of York?s Royal Canadian Hussars Regiment |
| 18Cav | 18th King Edward VII's Own Cavalry Regiment |
| 19Cav | 19th King George V's Own Lancers |
| 19D | 19th Alberta Dragoons Regiment |
| 1B | Pound(s) |
| 1Cav | 1st Duke of York's Own Cavalry (Skinner's Horse) Regiment |
| 1st Div | Deck Division, Forward 5" Guns |
| 1stMus | First Musician |
| 2 I/C | Second-in-Command |
| 2 SUB | Second Subaltern |
| 2/10 D | 2nd/10th Dragoons Regiment |
| 20Cav | 20th Lancers (Depot Regiment) |
| 21AG | 21st Army Group |
| 21Cav | 21st King George V's Own Horse (Central India Horse) |
| 22 DGNS | 22nd Dragoons |
| 22D | 22nd Dragoons Regiment |
| 23H | 23rd Hussars Regiment |
| 24L | 24th Lancers Regiment |
| 25 DGNS | DGNS 25th Dragoons |
| 25D | 25th Dragoons |
| 26H | 26th Hussars Regiment |
| 27L | 27th Lancers Regiment |
| 29thHLI | 29th Regiment (Highland Light Infantry of Canada) |
| 2Cav | 2nd Royal Lancers (Gardner's Horse) Regiment |
| 2IC | Second in command |
| 2nd Div | Deck Division, 40mm Guns |
| 2ndCOR | 2nd Battalion (Central Ontario Regiment) |
| 3 DG | 3rd Carabiniers (Prince of Wales Dragoon Guards) |
| 3Cav | 3rd Cavalry Regiment |
| 3CLY | 3rd County of London Yeomanry (Sharpshooters) Regiment |
| 3DG | 3rd Carabiniers (Prince of Wales's Dragoon Guards) Regiment |
| 3H | 3rd The King's Own Hussars Regiment |
| 3rd Div | Deck Division, Aft 5" Guns |
| 4/7 DG | 4th/7th Royal Dragoon Guards |
| 4/7DG | 4th/7th Royal Dragoon Guards Regiment |
| 404S | 404s |
| 48(ETC) R TKS | Battalions, Royal Tank Regiment |
| 48(ETC) RECCE REGT | Regiments Reconnaissance Corps |
| 4Cav | 4th Duke of Cambridges Own Lancers (Hodson's Horse) Regiment |
| 4CLY | 4th County of London Yeomanry (Sharpshooters) Regiment |
| 4H | 4th The Queen's Own Hussars Regiment |
| 4th Div | Marine Detachment, Port 20mm Guns |
| 5Cav | 5th King Edwardd VII's Own Lancers (Probyn's Horse) Regiment |
| 5DG | 5th Royal Inniskilling Dragoon Guards |
| 5DG (5Innis) | 5th Royal Inniskilling Dragoon Guards Regiment |
| 5th Div | Deck Division, Ordnance handling, Starboard 20mm Guns |
| 60thVRC | 60th Battalion (Victoria Rifles of Canada) |
| 6Cav | 6th Duke of Connaught's Own Lancers (Watson's Horse) Regiment |
| 6CIRU | Number 6 Canadian Infantry Reinforcement Unit |
| 6H | 6th Duke of Connaught?s Royal Canadian Hussars Regiment |
| 7/11H | 7th/11th Hussars Regiment |
| 7Cav | 7th Light Cavalry Regiment |
| 7H | 7th The Queen's Own Hussars Regiment |
| 8Cav | 8th King George V's Own Light Cavalry Regiment |
| 8H | 8th King's Royal Irish Hussars Regiment |
| 8NLH | 8th Princess Louise?s New Brunswick Hussars Regiment |
| 9Cav | The Royal Deccan Horse (9th Horse) Regiment |
| 9L | 9th Queen's Royal Lancers Regiment |
| A | Acting or Assistant or Anti |
| A & SH | Argyle and Sutherland Highlanders (Princess Louise's) |
| A Div | Evaporators, boats, auxilaries, ice machines |
| A Fd Wkshop | Army Field Workshop |
| A of S | Line/angle of sight |
| A PER | Anti-personnel |
| A Pt | Aiming Point |
| A-CDRE | Air Commodore |
| A-L-DAF | Acting-Lance Daffadar |
| A-L.NK | Acting-Lance Naik |
| A-tk | Anti-tank |
| A-V (G) | Aviation officers of the Volunteer Reserve appointed for general service. |
| A-V (N) | Officers commissioned in the Volunteer Reserve and designated as naval aviators upon completion of training as aviation cadets. |
| A-V (RS)2 | Aviation officers of the Volunteer Reserve experienced in electrical engineering. |
| A-V (T)2 | Aviation officers of the Volunteer Reserve who formerly were civil aviation pilots or aviators of the Army, Navy, Marine Corps, or Coast Guard. |
| A. & S.H. of C. | The Argyll and Sutherland Highlanders of Canada (Princess Louise's) |
| A. Fd. Coy. | Army Field Company (A Fd Coy) |
| A. Gp. | Army Group |
| A. PRS | Anti-personnel |
| A. Tank | Anti-Tank |
| A.A. | Anti-Aircraft (AA) |
| A.C.M. | Air Chief Marshal |
| A.C.R.C | Aircrew Receiving Centre |
| A.C.V | Armoured command vehicle |
| A.D.A.G. | Assistant Deputy Adjutant General |
| A.E.A.F. | Allied Expeditionary Air Force |
| A.F.V. | Armoured Fighting Vehicles (AFV) |
| A.G. | Adjutant General |
| A.G.R.A. | Army Group, Royal Artillery |
| A.G.R.E. | Army Group, Royal Engineers |
| A.H.Q. | Army Headquarters |
| A.HAV | Acting Havildar |
| A.N.C.X.F. | Allied Naval Commander-in-Chief, Expeditionary Force |
| A.P.C. | Armoured personnel carrier |
| A.S.S.U. | Air Support Signal Unit |
| A.T.S. | Auxiliary Territorial Service (ATS) |
| A.tk. | Anti-Tank |
| A.V.R.E. | Assault Vehicle, Royal Engineers |
| A/ | a/ |
| A/ | Assistant |
| A/ | Acting (Rank) - higher rank held on a temporary basis - also known as a brevet rank for officers |
| A/ (rank) | Acting |
| A/A | Anti-aircraft |
| A/A | Army Act |
| A/Bandsmn | Assisting Bandsman |
| A/Blkmth | Acting Blacksmith |
| A/C | Aircraft |
| A/C | Air Commodore |
| A/C | Anti-Aircraft |
| A/C | Air Crew |
| A/C/M | Air Chief Marshall |
| A/Capt | Acting Captain |
| A/CDRE | Air Commodore |
| A/CNAS(E) | Assistant Chief of Naval Administration and Supply (Equipment) |
| A/DMin | Assistant Deputy Minister |
| A/DNS | Assistant Director of Naval Stores |
| A/E | Aeronautical Engineering in the Fleet Air Arm |
| A/EA | Acting Electrical Artificer |
| A/ERA | Acting Engine Room Artificer |
| A/G | Anti-Gas |
| A/Joiner | Acting Joiner |
| A/M | Air Marshall |
| A/MEN | Anti-personnel (ammunition) |
| A/NCSO | Acting Naval Control Service Officer |
| A/OA | Acting Ordnance Artificer |
| A/p | All Purpose |
| A/Plbr | Acting Plumber |
| A/Pntr | Acting Painter |
| A/RA | Acting Radio Artificer |
| A/S | Anti Submarine |
| A/S | Anti-Submarine |
| A/SA | Anti-Submarine Artificer |
| A/SD | Anti-Submarine Detector |
| A/Sec | Assistant Secretary |
| A/Shpt | Acting Shipwright |
| A/SLT | Acting Sub-Lieutenant |
| A/SO(CO) | Acting Staff Officer (Combined Operations) |
| A/SR | Air Sea Rescue |
| A/SSFO | Anti-Submarine Ship Fitting Officer |
| A/STTV | Anti-Submarine Target Towing Vessels |
| A/SYacht | Anti-Submarine Yacht |
| A/T | Anti-Tank |
| A/T | Anti-Torpedo |
| A/Tk. | Anti-Tank |
| A/V/M | Air Vice-Marshall |
| A&AEE | Aeroplane and Armament Experimental/Evaluation Establishment |
| A&Dbooks | Admission & Discharge Books |
| A&E | Ammunition and Explosives |
| A&FF | Acceptance & Ferry Flight (129-Trenton) |
| A&GS | Armament & Gunnery School |
| A&IEU | Armament & Instrument Experimental Unit |
| A&Q | Administrative Branches of the Staff |
| A&Q | Administrative Branches to the Staff |
| A&SH | The Argyll and Sutherland Highlanders (Princess Louise's) |
| A&SH (ASH) | The Argyll and Sutherland Highlanders Regiment (Princess Louise's) |
| A&SHigh | Argyle & Sutherland Highlanders of Canada (Princess Louise's) |
| A&SHofC | Argyll & Sutherland Highlanders Regiment of Canada (Princess Louise?s) |
| A&T | Administration and Training |
| A&T Staff | Administrative and Training Staff |
| AA | Anti-Aircraft; or Approving authority; or Air Attache or Army Act |
| AA | Antiaircraft |
| AA | Anti-Aircraft Rate |
| AA | Assistant Adjutant |
| AA | Active Army |
| AA | Anti-Aircraft |
| AA | Army Act |
| AA | Anti-Aircraft or Army Act or Assistant Adjutant or Assembly Area |
| AA & CD | Anti-Aircraft and Coast Defence |
| AA(MG)BRCA | Anti-Aircraft (Machine Gun) Battery, Royal Canadian Artillery |
| AA(MG)BRCAST | Anti-Aircraft (Machine Gun) Battery, Royal Canadian Artillery Searchlight Troop |
| AA(MG)TRCA | Anti-Aircraft (Machine Gun) Troop, Royal Canadian Artillery |
| AA/SA | Acting Anti-Submarine Artificer |
| AA&CD | Anti-Aircraft Coast Defence |
| AA&QMG | Assistant Adjutant and Quartermaster-General |
| AA&QMG | Assistant Adjutant & Quartermaster General |
| AAA | Anti-Aircraft Artillery |
| AAA | Appointed Assistant Adjutant |
| AAA | Anti-Aircraft Artillery |
| AAAFCRCA | Anti-Aircraft Artillery Formation Camp, Royal Canadian Artillery |
| AAARC | Artillery Anti-Aircraft Reinforcement Camp |
| AAB"Z"F | Anti-Aircraft Battery "Z" Force (Iceland) |
| AABS/LTRCA | Anti-Aircraft Battery Searchlight Troop, Royal Canadian Artillery |
| AABSRCCS | Anti-Aircraft Brigade Signals, Royal Canadian Corps of Signals |
| AABW/SRCOC | Anti-Aircraft Brigade Workshop, Royal Canadian Ordnance Corps |
| AAC | Army Air Corps; Anti Aircraft Co-operation |
| AAC | Army Air Corps |
| AACC | Army Air Corps Center |
| AACF | Anti-aircraft Co-operation Flight |
| AACTDC | Army Air Corpse Tactical Development Center |
| AACU | Anti Aircraft Co-operation Unit |
| AAD | Advance ammunition dept |
| AAD | Army Air Defense |
| AAD | Advanced Ammunition Depot or Anti-Aircraft Defence |
| AAEE | Aeroplane and Armament Experimental Establishment |
| AAF | Army Airfield; or Auxiliary Air Force; or Anti-Aircraft Flight; or Allied Air Force |
| AAF | Auxiliary Air Force or Allied Air Force |
| AAFCE | Allied Air Forces Central Europe |
| AAFNE | Allied Air Forces Northern Europe |
| AAFSE | Allied Air Forces Southern Europe |
| AAFVS | Army Armoured Fighting Vehicles |
| AAG | Assistant Adjutant-General |
| AAGORRCA | Anti-Aircraft Gun Operations Room, Royal Canadian Artillery |
| AAGS | Air Armament & Gas School |
| AAGS | Air Armament and Gas School |
| AAI | Allied Armies in Italy |
| AAI | Allied Army in Italy |
| AAITS | Airmen Aircrew Initial Training School |
| AAM | Army Achievement Medal |
| AAMC | Australian Army Medical Corps |
| AAMG | Antiaircraft Machine Gun |
| AANS | Australian Army Nursing Service |
| AANS | Army Auxiliary Nursing Service |
| AAOC | Australian Army Ordnance Corps |
| AAOR | Antiaircraft Operations Room |
| AAP | Anti-Armour Platoon; or Air to Air Missile; or Aircraft Acceptance Park; or Army Aircraft Park |
| AAPC | Anti-Aircraft Practice Camp |
| AAR | Air-to Air Refueling |
| AARRCA | Anti-Aircraft Regiment, Royal Canadian Artillery |
| AAS | Air Armament School |
| AAS | Advanced Air Station |
| AAS/LCoy | Anti-Aircraft Searchlight Company |
| AASC | Army Air Support Control |
| AASF | Advanced Air Striking Force (1939/40) |
| AASL (Coy) | Anti-Aircraft Searchlight Company |
| AATE | Air Armament trials Establishment |
| AATE | Anti-Aircraft Training Establishment |
| AATT&DC | Army Air Transport Training & Development Center |
| AATTF | Anti-Aircraft and Target Towing Flight |
| AAU | Air Ambulance Unit; or Aircraft Acceptance Unit; or Aircraft Assembly Unit |
| AAUS&FWTC | Anti-Aircraft Unit Staging & Fortress Weapon Training Camp |
| AAW | Anti-Air Warfare |
| AB | Airborne |
| AB | Army book |
| AB | Able Seaman |
| AB | Aviation Branch |
| AB | Able Seaman |
| AB | Army Book or Able Seaman or Airborne |
| ABC | Airborne Cigar (transmitter aboard aircraft which jammed German fighter control frequencies) |
| ABC DEFENCE | Defence Atomic Biological Chemical Defence |
| ABCA | Army Bureau of Currrent Affairs |
| ABCA | Army Bureau of Current Affairs |
| ABCD | Atomic, Biological, Chemical & Defensive Warfare Course |
| ABERS. | Aberdeenshire |
| ABGS(ME) | Air Bombing & Gunnery School (Middle East) |
| ABN | Airborne |
| ABOCRCOC | Armoured Brigade Ordnance Company, Royal Canadian Ordnance Corps |
| ABOD | Advanced Base Ordnance Depot |
| ABPO | Army Base Post Office, Canadian Postal Corps |
| ABPostal | Able Seaman (Postal) |
| ABranch | Adjutant General's Branch |
| ABRO | Army Reserve in Burma |
| Abs | Absent, Absence |
| ABS | Army Board Secretariat |
| ABTF | Air Bombing Training Flight |
| ABW/SRCOC | Advanced Base Workshop (Royal Canadian Ordnance Corps) |
| AC | Army Cooperation |
| AC | Aircraftman |
| AC | Aircraft Controlman |
| AC | Armourer's Crew |
| AC | Armoured Car |
| AC | Ambulance Corps |
| AC | Army Corps |
| AC | Aircraft Carrier |
| AC | Armoured Car or Aircraft or Aircraftman |
| AC Austria | Allied Commission Austria |
| AC-LT | Acting Lieutenant |
| AC-OSAILS | Army Co-operative Squad Air Intelligence Liaison Section |
| AC-QM | Acting Quarter Master |
| AC-SE | Acting Sergeant |
| AC&R | Appointments, Commissions and Rewards |
| AC&WSqn | Aircraft Control & Warning Squadron |
| AC1 | Aircraftman First Class |
| AC1 | Aircraftman 1st Class |
| AC2 | Aircraftman Second Class |
| AC2 | Aircraftman 2nd Class |
| ACAC | Aircrew Allocation Center |
| ACATC | Air Cadets Adventure Training Center |
| ACAV | Armored Cavalry Assault Vehicle |
| ACBO | Acting Bombardier |
| ACC | Army Co-operation Command; or Allied Control Commission; or Air Control Center; or Armored Car Company |
| ACC | Army Catering Corps |
| ACC | Anglican Church of Canada |
| ACC | Army Cycling Corps or Army Catering Corps |
| ACC(I) | Atlantic Convoy Conference Minutes |
| ACCF | Army Co-operation Command Communication Flight |
| ACCGS | Air Cadet Central Gliding School |
| AccKd | Accidentally Killed |
| ACCN | Accommodation |
| ACCN | Accommodation |
| ACCPT | Acting Captain |
| ACCU | Airborne Car Contact Unit |
| ACD | Army Chaplain's Department or Assistant Chaplain General |
| ACDC | Aircrew Dispatch Center |
| ACDU | Army Co-operation Development Unit |
| ACDU (ME) | (ME) Air Combat Development Unit (Middle East) |
| ACDW | Air Crew Disposal Wing |
| ACEM | Aviation Chief Electrician's Mate |
| ACF | Air Command Far East |
| ACFAWF | Air Command Fare East All Weather Flight |
| ACFSS | Air Cadets Flying Scholarship Scheme |
| ACG | Army Chaplain General |
| ACG | Assistant Chaplin-General |
| ACGFSOC | Air Cadet Gliding Flight Safety Officer's Course |
| ACGS | Assistant Chief of the General Staff |
| ACGS(OR) | Assistant Chief of the General Staff (Operational Requirements) |
| ACH | Air Craft Hand |
| ACH | Advanced Chain Home |
| ACHQ | Air Command Headquarters |
| ACHRCAMC | Alton Convalescent Hospital, Royal Canadian Army Medical Corps |
| ACHU | Aircrew Holding Unit |
| ACHU | Armoured Corps Holding Unit |
| ACI | Army Council Instruction |
| ACI | Army Council Instruction |
| ACIAF | Appraisal Course Interim Army Force |
| ACIS | Air Council Instructions |
| ACK | Acknowledge, acknowledged or acknowledgment |
| ACk | Assistant Cook |
| Ack | Acknowledge |
| Ack-ack | Anti-Aircraft |
| AckAck | Anti-Aircraft |
| ACM | Air Chief Marshal |
| ACM | Aviation Chief Metalsmith |
| ACM | Air Chief Marshal |
| ACMF | Allied Central Mediterranean Force |
| ACMM | Aviation Chief Machinist's Mate |
| ACNI | Assistant Commander of Naval Information |
| ACNS | Assistant Chief of the Naval Staff |
| ACO | Advanced Chain Overseas (radar) |
| ACO | Air Cadet Organization |
| ACO | Air Cadet Officer |
| ACO | Air Cadet Organisation |
| ACO-WPA | Area Commandant Order - Work Point Area |
| ACOL | Area Coordinator of Official Languages |
| ACOM | Aviation Chief Ordnanceman |
| ACOp | Aircraft Control Operator |
| ACP | Air Cadet Publication (derived from APs); or Aerodrome Control Pilot |
| ACP | Army Composite Platoon |
| ACPLofH | Acting Corporal of Horse |
| ACPNTS | Air Cadets Pilot Navigation Training Scheme |
| ACR | Airfield Control Radar |
| ACR | Armoured Car Regiment |
| ACR(RCD) | Armoured Car Regiment, Royal Canadian Dragoons |
| ACR(RCD)AP | Armoured Car Regiment, Royal Canadian Dragoons Advanced Party |
| ACRC | Air Crew Reception Centre |
| ACRC (ME) | (ME) Air Crew Reception Centre Middle East |
| ACRM | Aviation Chief Radioman |
| ACRM | Aviation Chief Radioman |
| ACRS | Air Crew Refresher School |
| ACRT | Aviation Chief Radio Technician |
| ACS | Airfield Construction Squadron |
| ACS | Air Control Squadron |
| ACS | Air Cadet Squadron |
| ACS | Distinguishing Letters on Files of Joint Service Committee, Atlantic Coast |
| ACS | Atlantic Command Signals |
| ACSAILSCASF | Atlantic Command Squadron Army Intelligence Liaison Section, Canadian Active Service Force |
| ACSB | Air Crew Selection Board |
| ACSEA | Air Command South East Asia |
| ACSEA | Air Command South East Asia |
| ACSEA/ASS | Air Command South East Asia Air Service Squadron |
| ACSIC | Atlantic Command Security Intelligence Section |
| ACSILS | Atlantic Command Squadron Intelligence Liaison Section |
| ACSqn | Army Co-operation Squadron (Royal Canadian Air Force) |
| ACSU | Acting Surgeon |
| Act | Acting (Rank) |
| ACT | Annual Camp Training |
| ACTC | Air Cadet Training Centre |
| ACU | Army Cooperation Unit |
| ACU | Air Conditioning Unit |
| ACU | Aircrew Conditioning Units |
| ACV | Armoured Command Vehicle |
| ACV | Armoured Cavalry Vehicle |
| ACV | Aircraft Carrier Vessels |
| ACV | Armoured Command Vehicle |
| ACYCCorps | Army Cyclist Corps |
| AD | Aircraft Depot; or Air Defence; or After duty |
| AD | Administration & Discipline (Director of Organization) |
| AD | Arvida Defences |
| AD | Air Radio Mechanic (Air Radar) |
| AD | Artillery Depot or Air Defence or Armoured Division or Air Despatch |
| Ad | Administrative |
| AD CORPS | Army Dental Corps |
| AD of S(2) | Assistant-Director of Signals (Civil Aviation) |
| AD Svy | Assistant-Director of Survey |
| AD Tn | Assistant-Director Training |
| AD(Svy) | Assistant Director of Surveys |
| AD&M | Advanced Driving and Maintenance |
| AD&MS | Advanced Driving and Maintenance School |
| AD&MTCRCAR | Advanced Driving and Maintenance Training Centre, Royal Canadian Artillery Reinforcements |
| ADA | Assistant-Director of Accounts |
| ADAG | Assistant Deputy Adjutant-General |
| ADATS | Air Defense Anti-Tank System |
| ADB(RdeC)CICEC | Airfield Defence Battalion (Regiment de Chateauguay) Canadian Infantry Corps, East Coast |
| ADC | Aide de Campe |
| ADC | Army Dental Corps |
| ADC | Air Defence Centre/Aide de Camp |
| ADC | Aide-de-Camp |
| ADC | Aerodrome Defence Company |
| ADC | Aide de Camp or Air Defence Centre or Army Dental Corps |
| ADCA | Assistant-Director of (Home) Civil Aviation |
| ADCC | Air Defence Cadet Corps (established 1938, see ATC) |
| ADCC | Air Defence Cadet Corps |
| ADCP(N) | Assistant Director Civilian Personnel (Navy) |
| ADCS | Air Defence Cooperation Squadron |
| ADDRSD | Addressed |
| ADDS | Assistant Director of Dental Services |
| Addsd | Addressed |
| ADED | Assistant Director of Engineer Development |
| ADEM | Air Defences Eastern Mediterranean |
| ADES | Assistant Director of Educational Services |
| ADES | Assistant Director of Engineer Services |
| ADF | Aircraft Delivery Flight |
| ADF(U) | Aircraft Delivery Flight (Unit) |
| ADG | Assistant-Director-General (in combination) |
| ADG Tn | Assistant-Director-General of Transportation |
| ADGB | Air Defence of Great Britain (= Fighter Command) |
| ADGB | Air Defence of Great Britain |
| ADGD | Assistant-Director of Ground Defence |
| ADGE | Air Defence Ground Environment |
| ADH | Assistant-Director of Hygiene |
| ADHOC(G) | Ad Hoc Greek Battalion |
| ADHP | Assistant Director of Hydrogen Production |
| ADI | Assistant Director of Intelligence |
| ADIO | Assistant Director of Internment Operations |
| ADJ | Adjutant |
| Adj | Adjutant - administrative assistant to a commanding officer |
| ADJ | Adjutant |
| ADJT | Adjutant |
| Adjt | Adjutant - administrative assistant to a commanding officer |
| ADJT | Adjutant |
| ADLS | Air Despatch Letter Service |
| ADLS | Air Delivery Letter Service |
| ADM | Administration or administrative |
| ADM | Administration |
| ADM | Assistant Deputy Minister; or Air Defence Missile |
| ADM | Admiral or General |
| Adm | Administration |
| Adm | Admitted - soldiers entering hospital for medical treatment |
| ADM | Assistant Deputy Minister |
| ADM | Administration or Admiral or Admitted or Administrative |
| Adm. | Administration |
| Adm'd | Admitted |
| ADM(FIN CS) | CS) Assistant Deputy Minister (Finance and Corporate Services) |
| ADM(HR-CIV) | Assistant Deputy Minister (Human Resources Civilian) |
| ADM(HR-MIL) | Assistant Deputy Minister (Human Resources -Military) |
| ADM(IE) | Assistant Deputy Minister (Infrastructure and Environment) |
| ADM(IM) | Assistant Deputy Minister (Information Management) |
| ADM(MAT) | Assistant Deputy Minister (Materiel) |
| ADM(N) | Assistant Deputy Minister (Naval) |
| ADM(PA) | Assistant Deputy Minister (Public Affairs) |
| ADMC | Assistant-Director of Military Co-operation |
| AdmClk | Administrative Clerk |
| ADMGO | Assistant Deputy Master General of Ordnance |
| Admin | Administration |
| ADMN | Assistant Deputy Minister (Naval) |
| ADMO | Assistant-Director of Meterorological Office |
| ADMS | Assistant Director of Medical Services |
| ADMS | Assistant Director of Medical Services |
| ADNO | Assistant Director Naval Ordnance |
| ADNP | Assistant Director of Naval Personnel |
| ADO (Est) | Assistant-Director of Organisation (Establishments) |
| ADOS | Assistant Director of Ordnance Services |
| ADOS | Assistant Director of Ordnance Services |
| ADP | Aerodrome Defence Platoon |
| ADPL | Assistant-Director of Pioneer and Labour |
| ADPR | Assistant-Director of Press Relations |
| ADQMG | Assistant Deputy Quartermaster General |
| ADQMG(AE) | Assistant Deputy Quartermaster General (Army Equipment) |
| ADRC | Assistant-Director of Regional Control |
| ADRCAPC | Aldershot Detachments, Royal Canadian Army Pay Corps |
| ADRCASC | Area Detachment, Royal Canadian Army Service Corps |
| Adrep. | Administrative Report |
| ADRU | Air Dispatch & Reception Unit |
| ADS | Advanced Dressing Station |
| ADS | Army Dressing Station |
| ADS | Advanced Dressing Station or Army Dental Services |
| ADSM | Assistant-Director of Servicing and Maintenance |
| ADSRCS | Armoured Divisional Signals, Royal Canadian Corps of Signals |
| ADST | Assistant-Director of Supplies and Transport |
| ADT | Armoured Division Troops |
| ADTC(CAD)RCASC | Armoured Division Troops Company (Canadian Armoured Division), Royal Canadian Army Service Corps |
| ADTCSRCASC | (Armoured) Division Troop Carrying Section, Royal Canadian Army Service Corps |
| ADTD | Assistant Director Technical Division |
| ADTech | Air Defence Technician |
| ADU | Aircraft Delivery Unit |
| ADUC | Advanced Driving Universal Carriers |
| ADV | Advance or advanced |
| Adv | Advance(d) |
| ADV | Advanced or Advance |
| Adv Bse | Advanced Base |
| Adv Gd | Advanced Guard |
| Adv. | Advance |
| ADVS | Assistant Director of Veterinary Services |
| Advtrg | Advanced Training |
| ADW (M&E) | Assistant-Director of Works (Mechanical and Electrical) |
| ADW/SPACRCASC | Advanced Detachment Workshop Pl Art Company, Royal Canadian Army Service Corps |
| ADWAAF | Assistant-Director of the Women's Auxiliary Air Force |
| AE | Air Efficiency award |
| AE | Algerine Escorts |
| AE | Aircraft Establishment or Air Efficiency Award or Army Equipment |
| AEAES | Air Electronics & Air Engineers School |
| AEAF | Allied Expeditionary Air Force(s) |
| AEC | Army Educational Corps |
| AEC | Assessment& Evaluation Centre |
| AEC | Army Educational Corps |
| AEC | Army Enlistment Centre |
| AEC | Army Education Corps or Army Educational Company or Associated Equipment Company |
| AED | Aircraft Equipment Depot |
| AED | Ammunition Empties Detachment |
| AEDM | Army Education |
| AEF | Air Experience Flight |
| AEF | Allied Expeditionary Force |
| AEF | American Expeditionary Force |
| AEinC | Assistant Engineer in Chief (Naval) |
| AEM | Aviation Electrician's Mate Inspect, maintain, repair and install all electrical equipment in aircraft. |
| AEM | Air Engine Mechanic |
| AEM1c | Aviation Electrician's Mate, First Class |
| AEM2c | Aviation Electrician's Mate, Second Class |
| AEM3c | Aviation Electrician's Mate, Third Class |
| AEME | Australian Electrical and Mechanical Engineers |
| AEME | Australian Electrical and Mechanical Engineers |
| AEO | Assistant Embarkation Officer |
| AER | Army Emergency Reserve |
| AERE | Aerospace Engineer |
| AerM | Aerographer's Mate Make weather observations. Read weather codes and signals. |
| AerM1c | Aerographer's Mate, First Class |
| AerM2c | Aerographer's Mater, Second Class |
| AerM3c | Aerographer's Mate, Third Class |
| AES | Air Electronics School; or Armament Experimental Station |
| AETech | Aero Engine Technician |
| AEV | Armoured Engineer Vehicle |
| AEV | Armoured Engineer Vehicle |
| AEW | Airborne Early Warning |
| AF | Army form |
| AF | Air Fitter |
| AF | Active Force |
| AF | Army Form or Air Formation |
| AFBRCCS | Army Field Brigade, Royal Canadian Corps of Signals |
| AFC | Armed Forces Council; or Australian Flying Corps; or Air Force Cross (medal) |
| AFC | Armed Forces Council |
| AFC | Air Force Cross |
| AFC | Air Force Cross or Australian Flying Corps |
| AFD | Air Fields Defense |
| AFD | Airborne Forces Depot |
| AFDE | Air Fighting Development Establishment |
| AFDS | Air Fighting Development Squadron, part of CFE |
| AFDU | Air Fighting Development Unit |
| AFDU | Air Fighting Development Unit |
| AFDU (S) | (S)Air Fighting Development Unit/Squadron |
| AFE | Airborne Forces Establishment |
| AFEE | Airborne Forces Experimental Establishment |
| AFG | Air Forces Gulf |
| AFHQ | Allied Forces Headquarters |
| AFHQ | Airfield Headquarters |
| AFHQ | Allied Forces Headquarters |
| AFHQ | Air Force Headquarters |
| AFHQ | Airfield Headquarters |
| AFM | Air Force Medal |
| AFM | Air Frame Mechanic |
| AFM | Air Force Medal |
| Afm | Aforementioned |
| AFM | Aforementioned or Air Force Medal |
| AFO | Admiralty Fleet Orders |
| AFPac | Allied Forces Pacific |
| Afr | Afridi Battalion |
| AFRS | Armed Forces Radio Service |
| AFRS | Army Field Regiment Signal |
| AFRSRCASC | Army Field Regiment Section, Royal Canadian Army Service Corps |
| AFRU | Advance Flying & Refresher Unit |
| AFS | Auxiliary Fighter Squadron |
| AFS | Advanced Flying School |
| AFS | Air Formation Signals or Auxiliary Fire Servce |
| AFS(ME) | Advanced Flying School (Middle East) |
| AFSC | Armed Forces Staff College |
| AFSCRCASC | Armed Forces Sleeper Company, Royal Canadian Army Service Corps |
| AFSI(I) | Advanced Flying School (India) |
| AFSS | Army Field Security Section |
| AFTCC | Air Force Troop Carrier Command |
| AFTDU | Airborne Forces Tactical Development Unit |
| AFTech | Airframe Technician |
| AFTS | Advanced Flying Training School |
| AFTU | Advanced Flying Training Unit; or Air Firing Training Unit |
| AFU | Advanced Flying Unit |
| AFU | Air Fighting Unit |
| AFU | Advance Flying Unit |
| AFV | Armoured fighting vehicle(s) |
| AFV | Armoured Fighting Vehicle |
| AFV | Armoured Fighting Vehicle |
| AFV | Armoured Fighting Vehicle |
| AFVW/SSRCOC | Armoured Fighting Vehicle Workshop Section, Royal Canadian Ordnance Corps |
| AFW | Army Field Workshops |
| AFW/SRCOC | Army Field Workshop, Royal Canadian Ordnance Corps |
| AFWE | Air Forces Western Europe |
| AG | Anti-gas |
| AG | Adjudant General |
| AG | Air Gunner |
| AG | Adjutant General |
| AG | Air Gunner |
| AG | Adjutant-General or Air Gunner |
| AG | Air to Ground or Air Gunner or Anti-Gas or Adjutant General |
| AG1,2or3 | Adjutant General Staff Officer 1, 2 or 3 |
| AGB | Adjutant General's Base |
| AGB | Adjutant Generals Base |
| AGBS | Air Gunnery & Bombing School |
| AGC | Adjutant Generals Corps |
| AGC | Adjutant Generals Corps |
| AGCB | Awarded Good Conduct Badge |
| AGDU | Army Guard Dog Unit |
| AGGTS | Air Gunners Ground Training School |
| AGHU | "A" Group Holding Unit |
| AGL | Air Gun Laying |
| AGME | Aircraft Gun Mounting Establishment |
| AGR | Army General Reserve |
| AGRA | Army Group RA (an artillery brigade) |
| AGRA | Army Group Royal Artillery |
| AGRA | Army Group Royal Artillery |
| AGRA | Army Group Royal Artillery |
| AGRCA | Army Group Royal Canadian Artillery |
| AGRCAS | Army Group Royal Canadian Artillery Signals |
| AGRE | Army Group, Royal Engineers |
| AGRE | Army Group Royal Engineers |
| AGRS | Advanced Ground Radio School |
| AGRS | Air & Ground Radio School |
| AGRU | "A" Group Reinforcement Unit |
| AGS | Air Gunners School; or Aircrew Grading School |
| AGS(ME/I) | Air Gunners School (Middle East/India) |
| AGT | Air Work & General Trading (part of the CRO) |
| AGT | Advanced Gliding Training (Air Cadets) |
| AGTS | Air Graduate Training School |
| AGTS | Aircrew Graduate Training Schools |
| AGU | Air work Grading Unit |
| AGYMST | Army Gymnastic Staff |
| AH | Aircraft Handler |
| AH | Admiralty Fleet Order |
| AHC | Army Hospital Corps |
| AHQ | Air Headquarters |
| AHQ | Army Headquarters |
| AHQ(I) | Air Headquarters (India) |
| AHQCAPO | Area Headquarters Canadian Army Post Office |
| AHU | Artillery Holding Unit |
| AHU | Administrative and Holding Unit(s) |
| AI | Airborne Interception night fighter radar equipment |
| AI | Assistant Instructor |
| AI | Acting Interpreter |
| AIB | "A" Infantry Battalion |
| AIC | Australian Intelligence Corps |
| AICF | AI Conversion Flight |
| AICVGofC | Angler Internment Camp Veterans Guard of Canada |
| AID | Aeronautical Inspection District |
| AIEMSupt | Aircraft Instrument and Electrical Maintenance Superintendent |
| AIEU | Armament and Instrument Experimental Unit |
| AIF | Australian Imperial Forces |
| AIF | Australian Imperial Force |
| AIF | Australian Imperial Force |
| AIFV | Armoured Infantry Fighting Vehicle |
| AIG | Address Indicating Group |
| AILO | Air Intelligence Liaison Officer |
| AILS(A)D | Army Intelligence Liaison Section (Armoured) Division |
| AILSection | Army Intelligence Liaison Section |
| AILSection | Air Intelligence Liaison Section |
| AIR | Assistant Instructor's Regiment |
| AIR | Melbourne |
| Air Bse | Air Base |
| AIR FMN SIGS | Air Formation Signals |
| Air Fmn. Sigs. | Air Formation Signals (Air Fmn Sigs) |
| AirB | Air Bomber |
| AirBosn | Air Boatswain |
| AIRCOM | Air Command (Airforce) |
| AirlineCoy | Airline Company, Royal Engineers |
| AIRO | Army of India Reserve of Officers |
| AirTCon | Air Traffic Controller |
| AIRTPS | Airborne troops |
| AIS | Air Interception School |
| AIS | Aeronautical Inspectors School |
| AIT | Agreement on Internal Trade |
| AITC(R) | Advanced Infantry Training Centre (Reserve) |
| AITF | AI Training Flight |
| AJAGS | Assistant Judge Advocates General |
| AKA | Also Known As |
| AL | sec Air liaison section |
| AL | Air Mechanic (Electrics) |
| AL | Air Landing or Air Liaison |
| AL/CPL | Acting Lance Corporal |
| ALC | Assault Landing Craft |
| ALC | Assault Landing Craft |
| ALFSEA | Allied Land Forces South East Asia |
| ALFSEA | Allied Land Forces South East Asia |
| ALG | Advance Landing Ground |
| Alg | Algerine Escorts |
| ALG | Advanced Landing Ground |
| AlgR | Algonquin Regiment |
| ALI | (15th Regiment) Argyll Light Infantry |
| Allce | Allowance |
| ALM | American Liaision and Munitions |
| ALO | Air Liaison Officer |
| ALO | Australian Liaison Officer (Air) |
| ALO | Air Liaison Officer or Army Liaison Officer |
| ALOC | Advanced Logistics Officers Course |
| Aloquins | The Algonquin Regiment |
| Alq. R. | The Algonquin Regiment |
| ALQR | Algonquin Regiment |
| ALS | Air Landing School (India) |
| Alta | Alberta |
| AM | Air Marshal; or Air Ministry |
| AM | Aviation Metalsmith Repair airplane metal parts. Know principles and theory of flying. |
| AM | Air Mechanic (1st, 2nd or 3rd Class) |
| AM | Albert Medal |
| AM | Naval Airman |
| AM | Air Marshal or Air Ministry or Albert Medal |
| Am'd | Amended |
| AM(No) | Admiralty Publication |
| AM1c | Aviation Metalsmith, First Class |
| AM2c | Aviation Metalsmith, Second Class |
| AM3c | Aviation Metalsmith, Third Class |
| AMAE | Air Member for Aeronautical Engineering |
| AMAP | Air Member Air Plan |
| AMAS | Air Member for Air Staff |
| AMB | Ambulance |
| AMB | Armoured Motor Battery |
| AMB | Ambulance |
| AMC | Armed Merchant Cruiser |
| AMC | Alberni Military Camp |
| AMC | Arnprior Military Camp |
| AMC | Army Medical Centre |
| AMC | Australian Medical Corps |
| AMC | Armed Merchant Cruiser |
| AMCU | Anti-Malarial Control Unit |
| AMD | Auxiliary Manning Depot |
| AMDP | Air Member for Development & Production |
| AME | Armament Maintenance Establishment |
| AMERCA | Armament Maintenance Establishment, Royal Canadian Artillery |
| AMES | Air Ministry Experimental Station (i.e. radar station) |
| AMESS | Air Ministry Experimental Station (ground Radar Station) |
| AMF | Australian Military Forces |
| AMGOT | Allied Military Government of Occupied Territories |
| AMHRCAMC | Alberni Military Hospital, Royal Canadian Army Medical Corps |
| AMHRCAMC | Aldershot Military Hospital, Royal Canadian Army Medical Corps |
| AMHRCAMC | Angler Military Hospital, Royal Canadian Army Medical Corps |
| AMHRCAMC | Arvida Military Hospital, Royal Canadian Army Medical Corps |
| AMM | Aviation Machinist's Mate Assemble, service and repair airplanes and airplane engines. Splice aircraft wiring. Know principles and theory of flying. |
| Amm. | Ammunition |
| AMM1c | Aviation Machinist's Mate, First Class |
| AMM2c | Aviation Machinist's Mate, Second Class |
| AMM3c | Aviation Machinist's Mate, Third Class |
| AMMC | Aviation Machinist's Mate C Aviation carburetor mechanic. |
| AMMF | Air Ministry Meteorological Flight |
| AMMF | Aviation Machinist's Mate F Aviation flight engineer. |
| AMMH | Aviation Machinist's Mate H Aviation hydraulic mechanic. |
| AMMI | Aviation Machinist's Mate I Aviation instrument mechanic. |
| AmmnCol | Ammunition Column |
| Ammo | Ammunition |
| AMMP | Aviation Machinist's Mate P Aviation propeller mechanic. |
| AMN | Ammunition |
| Amn | Ammunition |
| Amn. | Ammunition |
| AMNL | Ammonal (bulk explosives) |
| AMNL CH | Ammonal with charcoal |
| AMO | Air Ministry Order; or Air Movement Order |
| AMO | Army Medal Office |
| AMOR | Annual Military Occupation Review |
| AmoTech | Ammunition Technician |
| AMP | Air Member for Personnel |
| AMPC | Auxiliary Military Pioneer Corps |
| AMPC | Auxiliary Military Pioneer Corps |
| Amph | Amphibian |
| AMPTE | Ambulance Private |
| AMQ | Assistant Quartermaster General |
| AMS | Army Medical Staff |
| AMS | Air Member for Supply |
| AMS | Assistant Military Secretary |
| AMS | Assistant Military Secretary |
| AMSC | Advanced Military Studies Course |
| AMSDU | Air Ministry Servicing Development Unit |
| AMSupt | Aircraft Maintenance Superintendent |
| AMT | Air Member for Training |
| AMTB | Anti Motor Torpedo Boat |
| AMTRS | Area Mechanical Transport Repair Shops |
| AMU | Air Movements Unit |
| AMV | Advanced Modular Vehicle |
| AMWD | Air Ministry Works Department |
| AN | Air Mechanic (Engines) |
| ANAV | Air Navigator |
| ANBS | Air Navigation & Bombing School |
| ANCXF | Allied Naval Commander Expeditionary Force |
| AND | Admiralty Net Defence |
| ANG. | Anglesey |
| ANGLICO | Air and Naval Gunfire Liason Company |
| ANGUS | Angus |
| ANNX | Annexure |
| ANNZ | Annexure |
| ANS | Air Navigation School |
| ANSec | Assistant Naval Secretary |
| Anti-tk | Anti-tank |
| ANTRIM | County Antrim |
| ANZAC | Australian and New Zealand Army Corps |
| ANZAC | Australia and New Zealand Army Corps |
| ANZAC | Australian and New Zealand Army Corps |
| AO | Army Order |
| AO | After Order |
| AO | Air Mechanic (Ordnance) |
| AO | Accountant Officer |
| AO | Army Order |
| AO | Army Order or Accounts Office or Administration Officer |
| AOB Army Observor Battery/Batteries | |
| AOC | Air Officer Commanding; or Army Operations Course |
| AOC | Air Officer Commanding |
| AOC | Army Ordnance Corps |
| AOC | Air Officer Commanding |
| AOC-in-C | Air Officer Commanding in Chief |
| AOCU | Andover Operational Conversion Unit |
| AOD | Advanced ordnance depot |
| AOD | Advanced Ordnance Depot or Army Ordnance Depot |
| AODRCOC | Advanced Ordnance Depot, Royal Canadian Ordnance Corps |
| AOER | Army Officers' Emergency Reserve |
| AOFP | Army Ordnance Field Park |
| AOG | Aircraft On Ground |
| AOM | Aviation Ordnanceman Handle and take care of all aviation weapons. |
| AOM1c | Aviation Ordnanceman, First Class |
| AOM2c | Aviation Ordnanceman, Second Class |
| AOM3c | Aviation Ordnanceman, Third Class |
| AOMB | Aviation Ordnanceman B Aviation bombsight mechanic. |
| AOMT | Aviation Ordnanceman T Aviation turret mechanic. |
| AONS | Air Observers Navigation School |
| AOP | Armoured Observation Post |
| AOP | Air Observation Post |
| AOP | Air Observation Post |
| AOPSRCA | Air Observation Post Squadron, Royal Canadian Artillery |
| AOPSRCAF | Air Observation Post Squadron, Royal Canadian Air Force |
| AOR | Area of Responsibility; or Auxiliary Oiler (Navy) |
| AORG | Army Operational Research Group |
| AOS | Air Observers School |
| AOS | Air Observer School |
| AOTS | Aircrew Officers Training School |
| AOW | Army Ordnance Workshop |
| AOW/SRCOC | Army Ordnance Workshop, Royal Canadian Ordnance Corps |
| AP | Aircraft Park; or Air Publication |
| AP | Ammunition point or armour piercing |
| AP | Aviation Pilot Pilot planes and airships. Serve as plane captain. |
| AP | Administration & Personnel Section (Organization) |
| AP | Apothecary |
| AP | Air Police |
| AP | Aid Post |
| AP | Armour Piercing or Aircraft Park or Aid Post or Ammunition Point |
| AP&DU | Aircraft Preparation& Development Unit |
| AP&Rs | Appointments, Promotions and Retirement List |
| Ap1c | Aviation Pilot, First Class |
| AP2c | Aviation Pilot, Second Class |
| APA-TR | (Advanced Party) Anti-Tank Regiment |
| APC | Armament Practice Camp |
| APC | Armoured Personnel Carrier |
| APC | Army Pay Corps |
| APC | Armoured Personnel Carrier or Armour-piercing capped (projectile) |
| APC (S) | (S) Armament Practice Camp (Station) |
| APCAS | Administration Personnel Canadian Army Shows |
| APCASEU(AS) | Administration Personnel Canadian Auxiliary Services Entertainment Unit (Army Shows) |
| APCBC | Armour-piercing capped wth ballistic cap (projectile) |
| APCBOW/SRCOC | Advanced Party Canadian Base Ordnance Workshop, Royal Canadian Ordnance Corps |
| APCFC | Advance Party Canadian Forestry Corps |
| APCHRCAMC | Alderbrooke Park Convalescent Hospital, Royal Canadian Army Medical Corps |
| APCinC | Air Officer Commanding-in-Chief |
| APCS | Aden Protectorate Communication Squadron |
| APCS & SS | & SSAden Protectorate Control & Support Squadron |
| APD | Army Provost Depot |
| APD | Army Pay Department |
| APD | Air Personnel Department |
| APDOFPRCOC | Advance Party Divisional Ordnance Field Park, Royal Canadian Ordnance Corps |
| APDU | Air Photography Development Unit |
| APE | Address Prior to Enlistment |
| APF | Air Pilotage Flight |
| APFARCAMC | Advance Party Field Ambulance, Royal Canadian Army Medical Corps |
| APHQADADHQ | Advanced Party Headquarters Armoured Division Advance Divisional Headquarters |
| APIS | Army photographic interpretation section |
| APIS | Air Photo Interpretation Section |
| APIS | Army Photographic Interpretation Section |
| APISCintC | Army Photographic Interpretation Section, Canadian Intelligence Corps |
| APLU | Army Pay Ledger Unit |
| APM | Assistant Provost Marshal |
| APM | Assistant Provost Marshal |
| APO | Army post office |
| APO | Army Post Office |
| APOC | Army Post Office Corps |
| Appces | Appendices |
| APPROX | Approximately or approximate |
| APPTD | Appointed |
| Apptmts | Appointments |
| APPU | (Canadian) Army Photo Processing Unit, Canadian Intelligence Corps |
| APPUCPC | Advance Party Postal Unit Canadian Postal Corps |
| APPX | Appendix |
| APPX | Appendix |
| Appx. | Appendix |
| APR | Army Plotting Room |
| APS | Army Postal Service |
| APS | Air Pilotage School; or Armament Practice Station |
| APS | Army Postal Service |
| APS | Army Pigeon Service |
| APS(N) | Assistant Private Secretary To the Minister (Navy) |
| APSF | Aden Protectorate Support Flight |
| APSHOT | Armour-piercing (inert) |
| APTC | Army Physical Training Corps |
| APTC | Army Physical Training Corps |
| APTC | Army Physical Training Corps |
| APTo"Z" F | Attached Personnel to "Z" Force (Iceland) |
| APTS | Army Physical Training Staff |
| APU | Aircraft Preparation Unit |
| APV | Average projectile velocity or armoured patrol vessel |
| AQ | Assistant-Adjutant and Quarter-Master-General |
| AQMG | Assistant Quartermaster-General |
| AQMG | Asistant-Quarter-Master-General |
| AR | Automatic Rifle; or Australian Regiment |
| AR | Airship Rigger Control and moor airships. Know steering and meteorology. |
| AR | Algonquin Regiment |
| AR | Air Radio |
| AR | Air Rigger |
| AR | Army Reserve or Automatic Rifle |
| AR ANALYST | analyst Administrative Review Analyst |
| AR(1H)CACAP | Armoured Regiment, (1st Hussars) Canadian Armoured Corps Advance Party |
| AR(BCD) | Armoured Regiment, British Columbia Dragoons |
| AR(FGH) | Armoured Regiment, (Fort Garry Horse) |
| AR(GGFG)AD | Armoured Regiment, (Governor General's Horse Guards) Armoured Division |
| AR(GGHG)CA | Armoured Regiment, (Governor General's Horse Guards) Canadian Army |
| AR(H) | Armoured Regiment, (Hussars) |
| AR(LSH)(RC)AF | Armoured Regiment, (Lord Strathcona's Horse) (Royal Canadians) Active Force |
| AR(LSH)AP | Armoured Regiment, (Lord Strathcona's Horse) Advance Party |
| ARC | Aircrew Recruiting Centre; or Aircrew Reception Centre |
| ARC | Army Reception Centre |
| ARC | Appraisal and Refresher Course |
| ARC | Automatic Remote Control |
| ARC | cies Automatic Remote Control |
| ARCM | Associate, Royal College of Music |
| ARCR | Armourer's Crew |
| ARD | Aircraft Repair Depot; or Alberta Regimental Depot |
| ARD | Alberta Regimental Depot - facility in England used to assemble men and to store and administer equipment and materials |
| AreaEngr | Area Engineer |
| ARF | Aircraft Repair Flight; or Air Radar Fitter |
| ARFF | Aircraft Rescue & Fire Fighting |
| ARG | Armoured replacement group |
| Argyl LI | The Argyll Light Infantry Regiment |
| ARGYLL. | Argyllshire |
| ARH | Ammunition railhead |
| ARH | Army Rail Head |
| ARH | Ammunition Railhead |
| ARITCIC | Army Refugee Interrogation Team, Canadian Intelligence Corps |
| ARL | Admiralty Research Laboratory |
| ARM | Aviation Radioman Operate radio transmitting and receiving equipment of naval aircraft. |
| Arm(BorG) | Armourer (Bombs or Guns) |
| ARM1c | Aviation Radioman, First Class |
| ARM2c | Aviation Radioman, Second Class |
| ARM3c | Aviation Radioman, Third Class |
| ARMAGH | County Armagh |
| ARMD | Armoured, Armour Corps |
| Armd | Armoured |
| ARMD C | Armoured car |
| Armd C | Armoured Car |
| Armd, Amd | Armoured |
| Armd. | Armoured |
| Armd. Recce. Regt. | Armoured Reconnaissance Regiment (Armd Recce Regt) |
| Armn | Airman or Airmen |
| Armr | Armourer |
| ARMR | Armourer |
| ARmtSPC | Armament Systems Performance Checker |
| ARO | Army routine order |
| ARO | Admiralty Record Office |
| ARO | Administrative Routine Orders |
| ARP | Ammunition refilling point or air raid precautions |
| ARP | Aircraft Repair Park |
| ARP | Air raid precautions or ammunition refilling point |
| ARP | Air Raid Precautions |
| ARP | Air Raid Precautions or Aircraft Repair Park |
| ARRC | Associate Royal Red Cross |
| ARRC | Associate of the Royal Red Cross |
| ARRC | Associate of the Royal Red Cross |
| ARS | Aircraft Repair Section |
| ART | Aviation Radio Technician Maintain all aviation radio equipment. |
| Art | Article |
| Art | Artillery |
| ART | Artillery or Artisan |
| ART WKS COY | Artizan works company |
| Art. Wks. Coy. | Artizan Works Company (Art Wks Coy) |
| Art(y) | Artillery |
| ART1c | Aviation Radio Technician, First Class |
| ART2c | Aviation Radio Technician, Second Class |
| ART3c | Aviation Radio Technician, Third Class |
| ARTech | Aircraft Refinishing Technician |
| ArtEngr | Artificer Engineer |
| ARTY | Artillery |
| ARTY | Artillery |
| ARTY R | Artillery reconnaissance |
| ARTY R | Artillery Reconnaissance |
| Arty Svy | Artillery Surveyor |
| Arty Tech | Artillery Technician |
| Arty. | Artillery |
| ArtyLoc | Artillery Locator |
| Artymn | Artilleryman |
| ARU | Aircraft Repair Unit |
| ARU | Artillery Reinforcement Unit |
| ARU | Aircraft Repair Unit |
| ARV | Armoured Recovery Vehicle |
| ARV | Armoured Recovery Vehicle |
| ARWF/S | Advanced Rotary Wing Flight/Squadron |
| AS | Air School |
| AS | Apprentice Seaman Know naval drill duties, tie knots. Stand watch. |
| AS | Apprentice Seaman |
| AS | Air Radio Mechanic (Air Wireless) |
| AS | Air Secretary |
| AS | Air Staff |
| AS | Anti-Submarine or Air School |
| AS and ACSU | Assistant and Acting Surgeon |
| AS of S(3) | Assistant-Director of Signals (Ground Communications) |
| AS&DB | Army Salvage & Disposal Board |
| AS&RU | Aircraft Salvage & Repair Unit |
| ASA | Ammunition Small arms |
| ASADJand2L | Assistant Adjutant and Second Lieutenant |
| ASAP | As Soon As Possible |
| ASC | Aircrew Selection Centre; or Air Support Command; or Area Support Group; or Army Service Corps |
| ASC | Advanced Surgical Centre |
| ASC | Army Service Corps |
| ASC | Aerospace System Engineering Projects Officer |
| ASC | Army Service Corps |
| ASCA | Auxiliary Services Canadian Army |
| ASCL | Assistant Clerk |
| ASCO | Assistant Commodore |
| ASCRCE | Area Signal Company, Royal Canadian Engineers |
| ASD | Aeroplane Supply Depot |
| ASD | Ammunition sub-depot |
| ASD | Army Schools Department |
| ASD | Ammunition Sub-Depot |
| ASE | Army Survey Establishment |
| ASF | Aircraft Servicing Flight |
| ASF | Air Survey Flight |
| ASF | Active Service Force |
| ASGT | Acting Sergeant |
| ASI | Air Speed Indicator |
| ASI | Air speed indicator |
| ASIN | Assistant Engineer |
| ASJT | Acting Sergeant |
| ASL | Admiral Superintendent, Alexandria |
| ASLAD | Army Signals Light Aid Detachment |
| ASLT | Assault |
| ASLT | Assault |
| ASLT | Assault |
| Aslt. | Assault |
| Aslt. Bde. Ord. Fd. Pk. | Assault Brigade Ordnance Field Park (Aslt Bde Ord Fd Pk) |
| ASM | Anti Submarine Missile |
| ASNU | Assistant Nurse |
| ASO | Assistant Supply Officer |
| ASO | Armament Supply Officer |
| ASO | Area Security Officer |
| ASO | Assitant Section Officer |
| ASO(I) | Assistant Staff Officer (Intelligence) |
| ASP | Air Stores Park |
| ASP | Air Stores Park (406) (Royal Canadian Air Force) |
| ASP | Admiralty Salvage Pontoon |
| ASP | Air Stores Park or Apshalt |
| ASPU | Assistant Purveyor |
| ASR | Air Sea Rescue |
| ASR | Submarine Rescue Vessel, Auxiliary (US) |
| ASR | Air Sea Rescue |
| ASR&CF | Air Sear Rescue & Communication Flight |
| ASRF | Air Sea Rescue Flight |
| ASRTU | Air Sea Rescue Training Unit |
| ASS | Air Signals School |
| ASS | Army Staff Section |
| Ass't | Assistant |
| Assam Rif | The Assam Rifle Regiment |
| ASSAM. RIF | Assam Rifles |
| ASSAMVLH | Assam Valley Light Horse |
| Asst | Assistant |
| AsstNSec | Assistant Naval Secretary |
| AsstPayr | Assistant Paymaster |
| ASSU | Air Support Signal Unit |
| ASSU | Assistant Superintendent |
| ASSU | Air Support Signal Unit |
| AST | Air Service Training (CRO) |
| ASTO | Assistant Transport Officer |
| ASTOR | Airborne Stand-Off Radar |
| ASU | Area Support Unit; or Aircraft Storage Unit |
| ASU | Air Supply Unit |
| ASU | Assistant Surgeon |
| ASU | Aircraft Storage Units |
| ASUW | Anti-Surface Warfare |
| ASV | Airborne Surface Vessel, radar for maritime patrol aircraft |
| ASV | Anti-Surface Vessel |
| ASvyCoy | Air Survey Company |
| ASW | Anti-Submarine Warfare |
| ASW | Anti-Submarine Warfare |
| ASWDU | Air-Sea Warfare Development Unit |
| AT | Animal transport |
| AT | Antitank |
| AT | Air Artificer (Airframes and Engines) |
| AT | Auxiliary Tanker |
| AT | Ocean-going Tug, Auxiliary (US) |
| AT | Aviation Technician |
| AT | Armoured Train |
| AT | Army Troop or Anti Tank or Animal Transport |
| ATA | Air Transport Auxiliary |
| ATA | Air Transport Auxiliary (British) |
| ATA | Air Transport Auxiliary |
| ATAF | Allied Tactical Air Force |
| ATAM | Air-To-Air Missile |
| ATB | Allied Torpedo Boats |
| ATB(OR) | Army Tank Battalion (Ontario Regiment) |
| ATBHSSRCOC | Army Tank Brigade, Heavy Support Squadron, Royal Canadian Ordnance Corps |
| ATBOFPRCOC | Army Tank Brigade, Ordnance Field Park, Royal Canadian Ordnance Corps |
| ATC | Australian Tank Corps |
| ATC | Air Training Corps |
| ATC | Air Traffic Control |
| ATC | Armament Training Camp/Air Training Corps (succeeded ADCC, 1941) |
| ATC | Advance Training Centre |
| ATC | Airport Traffic Control (US) |
| ATC | Air Traffic Control |
| ATC | Air Traffic Control or Air Training Corps |
| ATCDE | Awarded the Canadian Efficiency Decoration |
| ATCoy | Army Troops Company |
| ATCR | Advanced Training Centre Reserve |
| ATCRCE | Army Troops Company, Royal Canadian Engineers |
| ATDC(I) | Air Transport Development Centre (India) |
| ATDF | Air Transport Development Flight |
| ATDU | Air Torpedo Development Unit? Air Transport Development Unit |
| ATF | Autogiro Training Flight |
| ATFERO | Atlantic Ferry Organization |
| ATG | Antitank Gun |
| ATGU | Aircrew Testing & Grading Unit |
| ATGW | Army Tank Guided Weapon |
| ATI | Army Training Instruction |
| ATI | Access to Information Act |
| ATK | Anti-tank |
| Atl | Atlantic |
| ATM | Army Training Memorandum |
| AtmstSTech | Armament Systems Technician |
| ATO | Air Treasury Office |
| ATO | Aircraft Torpedo Office |
| ATO | Ammunition Technical Officer |
| ATOC | Army tactical Operations Course |
| ATOF | Army Training and Operations Framework |
| ATP | Advanced Training Poll; or Aircrew Transit Pool; or Air Transit Pool |
| ATP | Annual Training Pay |
| ATPS | Army Troops |
| ATps | Army Troops Company |
| ATps | Army Troops |
| ATR | Antitank Rifle |
| ATR | Rescue Tug, Auxiliary (US) |
| ATR | Anti Tank Rifle |
| ATR(1H) | Army Tank Regiment (1st Hussars) |
| ATRE | Army Troops Royal Engineers |
| ATREL | Air Transportable Reconnaissance Exploitation Laboratory |
| ATRRCACASF | Anti-Tank Regiment, Royal Canadian Artillery, Canadian Active Service Force |
| ATS | Auxiliary Territorial Service (women); or Armament Training Station; or Air Training Squadron |
| ATS | Army Trades School |
| ATS | Auxiliary Territorial Service or Air Training Squadron |
| ATSU | Air Transportable Signal Unit |
| ATT | Attach, attached or attachment |
| Att | Attached - to be made part of a specific unit on a temporary basis |
| ATT | Attached or Attachment |
| att | Attached |
| Att'd | Attached - to be made part of a specific unit on a temporary basis |
| ATTA | Full duties and return for treatment |
| Attach | Attached - to be made part of a specific unit on a temporary basis |
| Attachd | Attached - to be made part of a specific unit on a temporary basis |
| ATTB | Advance Tactical Training Base |
| ATTB | Light Duties - Excused Physical Training Drill and Commanding Officer's Parades |
| ATTC | Excused all duties - Confined to barracks or home |
| ATTC-48 | Excused all duties for 48 hours |
| ATTD | Attached |
| ATTDU | Air Transport Tactical Development Unit; or Armament Training Unit; or Aircrew Transit Unit; or Air Trials Unit |
| AttP | Attached Personnel |
| ATTU | Air Target Towing Unit |
| ATU | Armament Training Unit; or Aircrew Transit Unit; or Air Trials Unit; or Advanced Training Unit |
| ATX | Admiralty Trunk Exchange |
| AU | Amplifier Unit |
| AUAS | Aberdeen University Air Squadron |
| AUBDS | Anti U-Boat Devices School |
| AUCWAC | Administrative Unit Canadian Women's Army Corps |
| AudGeneral | Auditor General (National Defence Staff) |
| AUIT | Armoured Unit Initial Training |
| Aus | Australian |
| AUS | Army of the United States |
| AUS | Assistant Under-Secretary of State |
| AUST | Australia or Australian |
| Auth | Authorized - designation of the individual or organization permitting the action noted |
| Auth | Authority - designation of the individual or organization permitting the action noted |
| AUTH | Authorised |
| Auto | Automobile |
| Auto | Automatic |
| AUX | Auxiliary or auxiliaries |
| Aux | Auxiliary |
| Aux | Division of Auxiliary Services |
| Aux Serv | Canadian Auxiliary Services |
| Aux. | Auxiliary |
| Aux(A) | Senior Auxiliary Services Officer (Air) |
| Aux(N) | Senior Auxiliary Services Officer (Naval) |
| AuxA/AS | Auxiliary Anti-Aircraft Ships |
| AuxMS | Auxiliary Minesweepers |
| AuxServ | Canadian Auxiliary Services |
| AUXY | Auxiliary |
| AV (S)2 | Aviation officers of the Volunteer Reserve appointed for special service. |
| AVC | Army Veterinary Corps |
| AVC | Army Veterinary Corps |
| AVD | Seaplane Tender, Destroyer, Auxiliary (US) |
| AVF | All-Volunteer Force |
| AVF | All Volunteer Force |
| AVG | American Volunteer Group |
| AVGO | Auxiliary Vessels Gunnery Officer |
| AVGP | Armoured Vehicle General Purpose (Grizzly, Cougar and Bison) |
| AVLB | Armoured Vehicle Launched Bridge |
| AVM | Air Vice Marshal |
| AVM | Air Vice-Marshal |
| AVM | Air Vice Marshal |
| AVN | Aviation |
| AvnTech | Aviation Technician |
| AVP | Seaplane Tender (small) Auxiliary (US) |
| AVR | Aircraft Rescue Vessel (US) |
| AVRA | Armoured Vehicle Royal Artillery |
| AVRE | Assault vehicle, Royal Engineers |
| AVRE | Armoured Vehicle, Royal Engineers |
| AVRES | Armoured Vehicles Royal Engineers |
| AVS | Army Veterinary Service |
| AvsTech | Avionics Technician |
| AW | Armstrong Whitworth |
| AW | Administrative Writer |
| AW1 | Aircraftwoman 1st Class |
| AW2 | Aircraftwoman 2nd Class |
| AWACS | Airborne Warning And Control Systems |
| AWAS | Air Warfare Analysis Section |
| AWC | Air War College |
| AWC | Air Weapons Control |
| AWCoy | Artizan Works Company |
| AWD | Advanced workshop detachment |
| Awd'd | Awarded |
| AWDS | All Weather Development Squadron |
| AWF | Air Wireless Fitter; or Air Warfare Centre; or All Weather Flight |
| AWF | Army War College Fellowship (U.S.) |
| AWFCS | All Weather Fighter Conversion Squadron |
| AWL | Absent Without Leave |
| AWL | Absent With Leave |
| AWL | Absent Without Leave |
| AWOCU | All Weather Operational Conversion Unit |
| AWOL | Absent Without Leave |
| AWOL | Absent Without Leave - away from a unit without permission; an offence under military law |
| AWOL | Absent Without Leave |
| AWRE | Atomic Weapons Research Establishment |
| AWRE | Atomic Weapons Research Establishment |
| AWS | Army War College Fellowship (U.S.) |
| AWSqn | All-weather Squadron |
| AWWC | Advanced Winter Warfare Course |
| AXP | Ambulance Exchange Point |
| AY | The Ayrshire Yeomanry Regiment (Earl of Carrick's Own) |
| AYR YEO | Ayrshire Yeomanry |
| AYRS. | Ayrshire |
| AyrYeo | Ayrshire Yeomanry |
| B | Bomber |
| B | Boilermaker Fit pipes, make repairs in boilers. Know construction of marine boilers and fireroom safety precautions. |
| B & GFU | Bombing and Gunnery Flying Unit |
| B & GS | Bombing and Gunnery School |
| B Div | Boilers |
| B of the MG of the ONDHQ | Branch of the Master General of the Ordnance, National Defence Headquarters |
| B Report | Burial Report |
| B SUP AIRFD | Base supply airfield |
| B WKSP | Base workshop |
| B.(D)T.F. | Bomber (Defence) Training Flight |
| B.A.D. | Base Ammunition Depot (BAD) |
| B.A.O.R. | British Army of the Rhine |
| B.B.C. | British Broadcasting Corporation |
| B.C. | British Columbia (Canada) |
| B.D. Vet. | Base Depot Veterinary |
| B.G.S. | Brigadier, General Staff |
| B.O. | Base Ordnance (BO) |
| B.O.D. | Base Ordnance Depot (BOD) |
| B.S.D. | Base Supply Depot (BSD) |
| B/L | Bridgelayer |
| B/WEO | Base or Wing Education Officer |
| B/WPSO | Base or Wing Personnel Selection Officer |
| B&C | Barrack & Clothing |
| B&GF | Bombing & Gunnery Flight |
| B&GS | Bombing & Gunnery School |
| B&W | Buildings & Works |
| B1c | Boilermaker, First Class |
| B2c | Boilermaker, Second Class |
| BA | Bandsman |
| BA | Bermuda Area |
| BABS | Blind (Beam?) Approach Beacon System BAC British Air Commission |
| BAC | British Air Commission |
| BAC | Brigade Ammunition Column |
| BAC | Brigade Ammunition Column |
| BACB | British Air Command Berlin |
| BACF | Beam Approach Calibration Flight |
| BAD | Base ammunition depot |
| BAD | British Admiralty Delegation |
| BAD | Base Ammunition Depot |
| BADR(PC) | British Admiralty Delegation Representative, Pacific Coast |
| BADU | Blind later, Beam Approach Development Unit |
| BAE | British Aerospace |
| BAF | Burma Armed Forces |
| BAFF | British Air Forces in France |
| BAFF | British Air Forces in France |
| BAFO | British Air Forces of Occupation |
| BAFO | British Air Force Overseas |
| BAFSEA | British Air Force South-East Asia |
| BAFSEA | British Air Force South East Asia |
| BAGS | Bombing and Air Gunnery School |
| BAKS | Barracks (US) |
| BALCAP | Ballistic Cap |
| Baluch (Bal) | The Baluch Regiment |
| BAM | Base Arms Maintanance |
| BAM | Large Minesweeper |
| BAMR | British Admiralty Maintenance Representative |
| BAMS | Broadcasts to Allied Merchant Ships |
| Bandsmn | Bandsman |
| Bandsmn(Prob) | Bandsman (Probationer) |
| BANFF. | Banffshire |
| BANS | Basic Air Navigation School |
| BANU | British Army News Unit |
| BAO | Base Accounting Officer |
| BAO | Base Accountant Officer |
| BAOR | British Army of the Rhine |
| BAOR | British Army of the Rhine |
| BAR | Browning Automatic Rifle or British Army of the Rhine |
| BARM | British Advisory Repair Mission |
| BARS | Salvage Vessel |
| BART | Baronet |
| BarTdr | Bar Tender |
| BARU | British Airways Repair Unit; or Base Aircraft Repair Unit |
| BAS | Beam Approach School |
| BAS | Beach Approach System |
| BAS(O) | British Army Staff (Officers) |
| BAS(OR) | British Army Staff (Other Ranks) |
| BAS&HEDS | Bomber Airborne Support & Heavy Equipment Dropping Squadron |
| BASFUZ | Base Fuze |
| BASM | Battalion Sergeant Major |
| BASR | British Admiralty Supply and Repairs |
| BASR | British Admiralty Supply Representative |
| BAT | Blind Approach Training (up to late 42) |
| BAT | Beam (originally Blind) Approach |
| BAT | Beam Approach Training |
| BATDU | Blind Approach Training & Development Unit |
| BATF | Beam (originally Blind) Approach Training Flight |
| BATM | British Admiralty Technical Mission |
| Batt | Battalion - unit of approximately 1,000 men commanded by a lieutenant-colonel |
| Batt | Battery |
| Batt'n | Battalion - unit of approximately 1,000 men commanded by a lieutenant-colonel |
| BATTS | Beam Approach Technical Training School |
| BATUS | British Army Training Unit, Suffield |
| BATY | Battery |
| BAV | Boom Attendant Vessels |
| Bays | The Queen's Bays Regiment (2nd Dragoon Guards) |
| BAYS | Queen's Bays (2nd Dragoon Guards) |
| BAYS | The Queen's Bays (2nd Dragoon Guards) |
| BB | Two Letter Designator for a Battleship. |
| BB | Battleship (US) |
| BB | Bugle Band |
| BB | Bailey Bridge |
| BB&BLEAU | Bomb Ballistics & Blind Landing Experimental Unit |
| BBC | British Broadcasting Corporation (U.K.) |
| BBCS | Bengal/Burma Communication Squadron |
| BBOC | Brought Back on Charge |
| BBP | Bulk breaking point |
| BBU | Bomb Ballistics Unit |
| BC | Battle Captain (Ops Officer); or Battery Commander (Artillery); Bomber Command; or Basic Component |
| BC | British Columbia |
| BC | Battery Commander |
| BC | Battery Commander Bomber Command or Battle Captain or Battle Cruiser or Battery Captain |
| BCA | Battery Commander Assistant |
| BCA | Biscay and Channel Area |
| BCAIR | British Commonwealth Air Component, Japan BCAS Bomber Command Armament School |
| BCATP | British Commonwealth Air Training Plan |
| BCBS | Bomber Command Bombing School |
| BCCF(S) | Bomber Command Communication Flight (Squadron) |
| BCD | The British Columbia Dragoons Regiment |
| BCD | British Columbia Dragoons |
| BCD | Base Canteen Depot |
| BCDU | Bomber Command Development Unit |
| BCFFU | Bomber Command Film Flight Unit |
| BCH | Barriefield Camp Hospital |
| BCHU | Bomber Command Holding Unit |
| BCIR&EF | Bomber Command Instrument Rating & Examining Flight |
| BCIS | Bomber Command Instructors School |
| BCJCF | Bomber Command Jet Conversion Unit |
| BCMC | Bomber Command Modification Centre |
| BCOF | British Commonwealth Occupation Force |
| BCOL | Base Coordinator of Official Languages |
| Bcook | Boy Cook |
| BCPO | Base Civilian Personnel Officer |
| BCQ | Base Commander, Queensborough |
| BCR | The British Columbia Regiment |
| BCR | British Columbia Regiment |
| BCRCASC | Bridge Company, Royal Canadian Army Service Corps |
| BCRD | British Columbia Regimental Depot |
| BCRD | British Columbia Regimental Depot - facility in England used to assemble men and to store and administer equipment and materials |
| BCRM | British-Canadian Recruiting Mission |
| BCRS | Bomber Command Radar School |
| BCSO | British Central Scientific Office |
| BCTAE | British Commonwealth Trans Antarctic Expedition |
| BD | Base Defence |
| BD | Base depot or bomb disposal |
| BD | Base Depot |
| BD | Blood Donor |
| BD | Bandsman |
| BD | Base Depot or Bomb Disposal or Battledress |
| BD-SE | Band Sergeant |
| BDB | Branch Detention Barracks |
| BDC | Battle Drill Course |
| BDCASS | "Bandoliers" Detachment - Canadian Auxiliary Services Section |
| BDCRE | Bomb Disposal Company Royal Engineers |
| BDD | Boom Defence Depot |
| BDE | Brigade |
| Bde | Bombardier |
| Bde | Brigade - unit of approximately 4,000 men commanded by a brigadier-general |
| BDE | Balloon Development Establishment |
| BDE | Convoy Escort Vessel |
| BDE | Brigade |
| BDE IO | Brigade Intelligence Officer |
| BDE SIGS | Brigade Signal Officer |
| BDE TO | Brigade Transport Officer |
| Bde. | Brigade |
| BdeGp | Brigade Group |
| Bdm | Bandsman |
| BDO | Boom Defence Officer |
| BDofMS | Base Depot of Medical Stores |
| BDR | Bombardier (Cpl in the Artillery) |
| BDR | Battle Damage Repair |
| Bdr | Bombardier (Cpl in the Artillery) |
| BDR | Bombardier |
| bdr | Bandolier |
| BDS | Bomb Disposal School |
| BDS | Battle Drill School |
| BDS | Bomb Disposal Section |
| Bdsm | Bandsman |
| BDSM | Bandsman |
| BDT | Bomber Defence Training |
| BDTC | Battle Drill Training Centre |
| BDTF | Bomber Defence Training Flight |
| BDU | Battle-Dress Uniform; or Bomb Dummy Units; or Bombing Development Unit; or Bomber Development Unit; or Balloon Development Unit; or Bomb Disposal Unit |
| BDV | Boom Defence Vessel |
| BDY | Boundary |
| BDY | Boundary |
| BDZ | Commander in Chief Netherlands Navy, London |
| BE | Base ejection |
| BEC | Basic Electronics Course |
| BEC | British Escort Craft |
| BED HERTS | Bedfordshire and Hertfordshire Regiment |
| BEDF R | Bedfordshire Regiment |
| BedfR | Bedfordshire Regiment |
| BEDFS HERTS | The Bedfordshire and Hertfordshire Regiment |
| Bedfs Herts (BedH) | The Bedfordshire and Hertfordshire Regiment |
| BedfYeo | Bedfordshire Yeomanry |
| BEDS. | Bedfordshire |
| BEF | British Expeditionary Force |
| BEF | British Expeditionary Force - army of more than 3,000,000 men established by the Government of Britain for service overseas |
| BEF | British Expeditionary Force |
| BEM | British Empire Medal |
| BEM | Basic Electronics Mechanic |
| BEM | British Empire Medal |
| BEM | British Empire Medal |
| BER | Beyond Economical Repair |
| BERKS. | Berkshire |
| BerksR | Berkshire Regiment |
| BerksYeo | Berkshire Yeomanry |
| BESA | British Engineering Standards Association |
| BET | Basic Educational Test |
| BETFOR | British Element Trieste Force |
| BF | Bring Forward (placed on a document with date the Clerk is to bring it back from the files) |
| BF | Bring Forward |
| BF | Bring Forward |
| BFA | Blank Firing Attachment |
| BFA | Battle First Aid |
| BFAP | British Forces Aden Protectorate |
| BFBS | British Forces Broadcasting Service |
| BFF | The Burma Frontier Rifles Regiment |
| BFG | British Forces Germany |
| BFG | British Forces in Germany |
| BFH | British Field Hospital |
| BFPO | British Forces Post Office |
| BFPO | British Forces Post Overseas |
| BFPO | Branch Field Post Office |
| BFT | Battle Fitness Test |
| BFTS | British Flying Training School |
| BFTS | British Flying Training Schools |
| BG | Battle Group |
| BG | Base Gagetown (Theatres of Service) |
| BG | Brigadier-General |
| BG | Brigade Group |
| BG | Battle Group |
| BG | Brigadier General or Battle Group or Box-girder (bridge) |
| BGC(C)RCASC | Brigade Group Company (Company) Royal Canadian Army Service Corps |
| BGEN | Brigadier General |
| BGGS | Brigadier General of General Staff |
| BGH | British General Hospital |
| BGH | British General Hospital |
| BGHQ | Battle Group Headquarters |
| Bglr | Bugler |
| BGLR | Bugler |
| Bgmstr | Buglemaster Know all bugle and drum calls and honors rendered. Lead and instruct a corps. |
| Bgmstr1c | Buglemaster, First Class |
| Bgmstr2c | Buglemaster, Second Class |
| BGRAM | Basegram |
| BGS | Brigadier General Staff |
| BGS | Brigadier, General Staff |
| BGS | Bombing and Gunnery Schools |
| BGS | Bombing and Gunnery School or Brigadier General Staff |
| BGT | Basic Gliding Training (Air Cadets) |
| BH&MDATKRRCA | Beachy Head & Michel Dean Anti-Tank Ranges Royal Canadian Artillery |
| BHFU | BloodHound Firing Unit |
| bhp | Brake Horse Power |
| BHP | Brake horsepower |
| BHQ | Brigade Headquarters |
| BHQS | Barriefield Headquarters Staff |
| BHRRCA | Beachy Head Ranges, Royal Canadian Artillery |
| BHSU | BloodHound Support Unit |
| BHX | Bermuda Portion of Halifax (New York) to United Kingdom Convoy |
| BI | Bandsman Instrumentalist |
| BIB | "B" Infantry Battalion |
| BIB | Baby Incendiary Bomb |
| BIC | Bowmanville Interment Camp |
| BIO | Brigade Intelligence Officer |
| BioTech | Biosciences Technician |
| BIQ | Basic Infantry Qualification |
| BIQ | Basic Infantry Qualification |
| BItoCSGHQEAGP | (Brussels) Increment to Canadian Section General Headquarters Echelon Army Group |
| BJCB | British Joint Communications Board |
| BK | Battery Captain |
| BK | Blacksmith |
| Bkr | Baker Operate ovens. Do any kind of baking. |
| BKR | Baker |
| Bkr1c | Baker, First Class |
| Bkr2c | Baker, Second Class |
| Bkr3c | Baker, Third Class |
| Bks | Barracks |
| BKY | Bakery or Bakeries |
| Bky. | Bakery |
| BL | Breech Loading |
| BL | Breech Loading |
| BLA | British Liberation Army |
| Black Watch (BW) | The Black Watch (Royal Highland Regiment) |
| bldg(s) | Building(s) |
| Bldmth | Blacksmith |
| BLEU | Blind Landing Experimental Unit |
| BLK | Blacksmith |
| BLOC | Basic Logistics Officers Course |
| BLP | Bombing Landplane (US) |
| BLS | Bombing Leaders School |
| BM | Boatswain's Mate Work with canvas and hoisting with block and tackle. Handle rope, wire, and anchor chain. Handle power and sail boats. Steer ship and chart courses. Direct salvage. |
| BM | Band Master |
| BM | Brevet Major |
| BM | Brigade Major |
| BM | Brigade Major or Bomb or Bachmastter |
| BM1c | Boatswain's Mate, First Class |
| BM2c | Boatswain's Mate, 2d Class |
| BMA | Beach maintenance area |
| BMA | Boatswain's Mate A Same duties as Boatswain's Mate and in addition, Master-at-arms. |
| BMA | Band Master |
| BMCA | British Maintenance Commander, Argentina |
| BMD | Bengal Medical Department |
| BMET | Bio-Medical Engineering Technician |
| BMH | British Military Hospital |
| BMH | Brandon Military Hospital |
| BMH | Brantford Military Hospital |
| BMH | British Military Hospital |
| BMH(PHI) | Brockville Military Hospital (PHI) |
| BMHRCAMC | Botwood Military Hospital, Royal Canadian Army Medical Corps |
| BMHRCAMC | Bowmanville Military Hospital, Royal Canadian Army Medical Corps |
| BMHRCAMC | Brampton Military Hospital, Royal Canadian Army Medical Corps |
| BMM | British Military Mission |
| BMM | British Military Mission |
| Bmn | Bandsman |
| BMQ | Basic Military Qualification |
| Bmr | Bandmaster |
| Bmr | Beachmaster |
| BMRA | Brigade Major RA |
| BMRA | Brigade Major Royal Artillery |
| BMS | Brigade Medical Station |
| BMSM | British Merchant Shipping Mission |
| Bmstr | Bandmaster |
| BMT | Basic Military Training (Past term for BMQ and QL2) |
| BMV | Boom Maintenance Vessels |
| BMWT | British Ministry of War Transport |
| BMWTR | British Ministry of War Transport Representative |
| BN | Battalion |
| BN | Boatswain |
| BN | Battalion |
| BN & PSH RCAMC | Basingstoke Neurological & Plastic Surgery Hospital, Royal Canadian Army Medical Corps |
| BNA | British Naval Attache |
| BNAF | British North Africa Force |
| Bndsmn | Bandsman |
| Bndy | Boundary |
| BNH | Basingstoke Neurological Hospital |
| BNLO | British Naval Liaison Officer |
| BNLO | British Naval Liaison Officer to French Naval Headquarters, London |
| BNLO(RHN) | British Naval Liaison Officer (Royal Hellenic Navy) |
| BO | Bombardier |
| BOAR | British Army of the Rhine |
| BOB | Battle of Britain or Battle of the Bulge |
| BOBMF | Battle of Britain Memorial Flight |
| BOC | Base Officer, Chasseurs |
| BOD | Base ordnance depot |
| BOD | Board of Directors |
| BOD | Base Ordnance Depot |
| BOD | Base Ordnance Depot |
| BOH | British Official History |
| BOHICA | Bend Over Here It Comes Again |
| BOI | Boiler (US) |
| Bom | The Bombay Grenadiers Regiment |
| Bomb | Bombardier |
| BOMB | Bombardier |
| BOMREP | Bombing report |
| BOP | Battery Ordnance Depot |
| BOQ | Bachelor Officers' Quarters |
| BOR | Battalion Orderly Room |
| BOR | British Other Rank or Battalion Orderly Room |
| BORDER | Border Regiment |
| BORDER | The Border Regiment |
| Border (Bord) | The Border Regiment |
| BordR | Border Regiment |
| BOS | Battalion Orderly Sergeant |
| BOS | Battalion Orderly Sergeant |
| Bosn | Boatswain |
| BOTC | Basic Officer Training Course |
| BOTC | Basic Officers Training Course |
| Botha | The Regiment Botha |
| BOTP | Basic Officer Training Program |
| BOW | Base Ordnance Workshop |
| BOWO | Brigade Ordnance Warrant Officer |
| BOWO | Brigade Ordnance Warrant Officer |
| Boy1 | Boy 1st Class |
| BoySig | Boy Signaller |
| BPA | Bureau of Pensions Advocates |
| BPC | Beach Protection Craft |
| BPC | Base Planning Committee |
| BPC | British Purchasing Commission |
| BPET | Battle Physical Efficiency Test |
| BPO | Base Post Office |
| BPOCPC | Base Post Office Canadian Postal Corps |
| BPSO | Base Personnel Selection Office |
| BPSO | Base Personnel Staff Officer |
| BPT | Battle Practice Target |
| BPT | Vosper Motor Torpedo Boat |
| BPV | Beach Protection Vessel |
| BQMS | Battery Quartermaster Sergeant |
| BQMS | Battery Quartermaster-Sergeant |
| BQMS | Battery Quarter-Master Sergeant |
| BR | Bridge or bridging |
| BR | The Burma Rifles Regiment |
| BR | Bomber Reconnaissance |
| Br | Bomber |
| BR | Brockville Rifles |
| BR | Bombing and Reconnaissance Squadron |
| BR | Book of Reference |
| BR | Bridge or Bridging |
| BR HD | Bridgehead |
| BR WIR | British West Indies Regiment |
| BR. CWO | CWO Branch Chief Warrant Officer |
| br(s) | Bridge(s) or bridging |
| BRA | Brigadier Royal Artillery |
| BRA | Brigadier Royal Artillery |
| BRAC | Brigadier Royal Artillery (Canada) |
| BRC | Base Reinforcement Camp |
| BRCA | Battery Royal Canadian Artillery |
| BRCE | Battalion Royal Canadian Artillery |
| BRCHA | Battery Royal Canadian Horse Artillery |
| BrColRgt | British Columbia Regiment |
| BRCS | British Red Cross Society |
| BRCS | British Red Cross Society |
| BRCS & OStJJ | British Red Cross Society and Order of St. John of Jerusalem |
| BRD | Base Repair Depot |
| BREC. | Brecknockshire |
| BRECKNOCK | Brecknockshire Battalion, South Wales Borderers (TA) |
| Brecknock (Bcn) | The Brecknock Battalion |
| Bren | light machine gun (also called the Bren Gun) |
| BRG | Bearing (US) |
| Brig | Brigade (also seen for Brigadier) |
| Brig | Brigadier |
| BRIG | Brigadier |
| BRIG GEN | Brigadier General |
| Brig-Gen | Brigadier-General |
| Brig. | Brigadier |
| BRIT | British |
| Brit | British |
| Brit. | British |
| Brit. or Br. | British |
| BRK | Brickco |
| BRLO | British Routing Liaison Officer |
| BRM | Basic Rifle Markmanship |
| BRO | British Routing Officer |
| Brock R | Brockville Rifles |
| Brock Rif | The Brockville Rifles Regiment |
| BRP RCOC | Boot Rebuilding Plant, Royal Canadian Ordnance Corps |
| BRSC | British Rear Support Command |
| BRSqn | Bomber Reconnaissance Squadron, Royal Canadian Air Force |
| BRTC | Basic Recruit Training Course |
| BS | Bomber Support |
| BS | Brigade School |
| BS | Battle Squadron |
| BS(M)RCASC | Bakery Section (Mechanical), Royal Canadian Army Service Corps |
| BSA | Barents Sea Area |
| BSA | Birmingham Small Arms Company |
| BSASSRCS | Base Sub Area Signal Section, Royal Canadian Signals |
| BSC | Base Staging Camp |
| BSD | Base supply depot |
| BSD | Brandon Supply Depot |
| BSD | Base Supply Depot (Harbour) |
| BSDU | Bomber Support Development Unit |
| Bse | Base |
| BSM | Battery Sergeant Major |
| BSM | Battery Sergeant-Major |
| BSM | Battery Sergeant Major |
| BSMA | Brigade Sergeant Major |
| BSO | (Commander in Chief) Netherlands Forces in the East |
| BSO | British Staff Officer |
| BSRCE | Boring Section, Royal Canadian Engineers |
| BSRU | Base Signal Radar Unit |
| BSS | Base Supply Ship |
| BSTU | Bomber Support Training Unit |
| BT | Bathythermograph |
| BT | Brevet or Bayonet Training |
| BTA | British Troops Austria or Bomb Thrower |
| BTC | Basic Training Centre |
| BTC(A) | Basic Training Centre (Active) |
| BTC(R) | Basic Training Centre (Reserve) |
| BTF | Burma Territorial Force |
| BTF | Bomber Towing/Training Flight |
| Btln | Battalion |
| BTN | Battalion |
| BTN | Battalion |
| BTNI | British Troops in Northern Ireland |
| Btswn | Boatswain |
| BTTN | Battalion |
| Btty | Battery - artillery unit commanded by a major and composed of four or six guns or mortars |
| BTU | Bombing Trials Unit |
| BTU | Blood Transfusion Unit or British Thermal Units |
| BTY | Battery |
| Bty | Battery - artillery unit commanded by a major and composed of four or six guns or mortars |
| BTY | Battery |
| Bty. | Battery |
| BU | Bath unit |
| BU | Broken Up |
| BU | Bugler |
| BU | Broken Up |
| BUACPATSO | British Units Affecting Canadian Personnel Army Trades School Officers |
| BUCKS | Buckinghamshire Battalion, Oxfordshire & Buckingham |
| BUCKS YEO | Buckinghamshre Yeomanry |
| BUCKS. | Buckinghamshire |
| BucksYeo | Buckinghamshire Yeomanry |
| BUCO | Build Up Control Organisation |
| BUDOCKS | Bureau of Yards and Docks (US) |
| BUFFS | The Buffs (Royal East Kent Regiment) |
| BUFFS | The Buffs (Royal East Kent Regiment) |
| Bug | Bugler Play in a bugle and drum corps. Know bugle calls and honors. |
| Bug1c | Bugler, First Class |
| Bug2c | Bugler, Second Class |
| Buk | The Buckinghamshire Battalion |
| BUMA | Bugle Major |
| BUMED | Bureau of Medicine and Surgery (US) |
| BUPERS | Bureau of Naval Personnel (US) |
| BUPTE | Bugler Private |
| BUS | Bilingual Units |
| BUSANDA | Bureau of Supplies and Accounts (US) |
| BUSE | Bugle Sergeant |
| BUSHIPS | Bureau of Ships (US) |
| BUSRA | British US Routing Agreement |
| BUSRS | British-United States Routing Agreement |
| BUSUP | Bureau of Supplies and Accounts (US) |
| Butcher | Butcher |
| BUTE | County of Bute (Buteshire) |
| BVAF | Burma Volunteer Air Force |
| BW | Black Watch (Royal Highland Regiment) |
| BW | Black Watch |
| BW | Black Watch |
| BW(RHC) | Black Watch (Royal Highlanders of Canada) |
| BWEF | British Western European Forces |
| BWF | Bristol Wireless Flight |
| BWI | British West Indies |
| BWICK. | Berwickshire |
| BWIR | British West Indies Regiment |
| BWM | British War Medal |
| BWRCEME | Base Workshop Royal Canadian Electrical and Mechanical Engineers |
| BX | Boston-Halifax Convoy |
| BX | Beeswax |
| BYHC | Buckinghamshire Cavalry Hussars |
| BYMS | British "Y" Class Minesweeper |
| BZ | (Bravo Zulu) Good job or well done |
| BZ | Bristol Division, Royal Naval Volunteer Reserve |
| BZA | Brazilian Area |
| C | Coastal |
| C | Canadian |
| C | Censor |
| C | Commissioned |
| C | Company |
| C | Cook |
| C | Corps or Coastal or Coldstream or Car |
| C & M | Care and Maintenance |
| C & R Divs | Construction and repair |
| C COMD | Chief Commander |
| C CONTR | Chief Controller |
| C Guards | Coldstream Guards |
| C of A | Chief of Artillery |
| C of AS | Corps of Army Schoolmasters |
| C of E | Church of England |
| C of G | Croix de Guerre |
| C of HRS | Corps of Hussars |
| C OF I | of I Court of Inquiry |
| C of I | Court of Inquiry |
| C of LRS | Corps of Lancers |
| C Prep | Counter-preparation |
| C SCOT R | SCOT R Canadian Scottish Regiment. A Reserve Infantry Regiment on Vancouver Island. |
| C Scot R | The Canadian Scottish Regiment (Princess Mary's) |
| C SUPS | Sups Combat Supplies |
| C TPS | Corps troops |
| C TPS | Corps Troops |
| C-IN-C | Commander-in-Chief |
| C-in-C | Commander in Chief |
| C-in-C | Commander-in-Chief |
| C-in-C (CiC) | Commander-in-Chief |
| C-in-C,CNA | Commander in Chief, Canadian Northwest Atlantic |
| C-in-CAandWI | Commander in Chief, Atlantic and West Indies Station |
| C-in-CCWA | Commander in Charge Canadian North Atlantic |
| C-in-CEF | Commander in Chief Eastern Fleet |
| C-in-CHF | Commander in Chief Home Fleet |
| C-in-CLANT | Commander in Chief, US Atlantic Fleet |
| C-V (G) | Officers of the Volunteer Reserve appointed for general communications service. |
| C-V (L) | Officers of the Volunteer Reserve appointed for for communications industrial liaison duties. |
| C-V (S)2 | Officers of the Volunteer Reserve appointed for special communications service. |
| C-V (X) | Officers of the Volunteer Reserve appointed for communications security duties. |
| C: in-C. | Commander-in-Chief |
| C. of S. | Chief of Staff |
| C. Scot. R. | The Canadian Scottish Regiment |
| C. SGT | Colour Sergeant |
| C.A.O.F. | Canadian Army Occupation Force |
| C.A.O.R.O. | Canadian Army Overseas Routine Order |
| C.B. | Companion of the Order of the Bath |
| C.B. Highrs. | The Cape Breton Highlanders |
| C.B.E. | Commander of the Order of the British Empire |
| C.C.R.A. | Commander, Corps Royal Artillery |
| C.C.S. | Combined Chiefs of Staff |
| C.D. | Canadian Forces Decoration |
| C.F.C. | Canadian Forestry Corps |
| C.F.N. | Canadian Forces in the Netherlands |
| C.H. | Companion of Honour |
| C.H. of O. | The Cameron Highlanders of Ottawa (M.G.) |
| C.I.G.S. | Chief of the Imperial General Staff |
| C.M.H.Q. | Canadian Military Headquarters (London) |
| C.O. | Chief Signal Officer |
| C.O. | Commanding Officer |
| C.O.H.Q. | Combined Operations Headquarters |
| C.O.S. | Chiefs of Staff |
| C.R.A. | Commander, Royal Artillery |
| C.R.A.O.C. | Commander Royal Army Ordnance Corps (CRAOC) |
| C.R.A.S.C. | Commander Royal Army Service Corps (CRASC) |
| C.R.E. | Command Royal Engineer (CRE) |
| C.R.E.M.E. | Commander Royal Electrical and Mechanical Engineers (CREME) |
| C.R.S. | Captured Records Section, Washington |
| C.S.M. | Company Sergeant Major (Warrant Officer, Class II) |
| C(A)D(I)HU | Canadian (Armoured) Division (Infantry) Holding Unit |
| C(A)TBOW/SRCOC | Canadian (Army) Tank Brigade Ordnance Workshop, Royal Canadian Ordnance Corps |
| C(O)on"Q"L | Canadian (Officers) on "Q" List |
| C(W/T)V | Calibration (Wireless Telegraphy) Vessel |
| C/Blkmth | Chief Blacksmith |
| C/BTC | Canadian Base Training Centre |
| C/EA | Chief Electrical Artificer |
| C/ERA | Chief Engine Room Artificer |
| C/ERA(M) | Chief Engine Room Artificer (Mechanic) |
| C/Joiner | Chief Joiner |
| C/Mech | Chief Mechanic |
| C/MM | Chief Motor Mechanic |
| C/O | Commanding Officer |
| C/Plbr | Chief Plumber |
| C/Pntr | Chief Painter |
| C/PO(Postal) | Chief Petty Officer (Postal) |
| C/POCdr | Chief Petty Officer Coder |
| C/POCk | Chief Petty Officer Cook |
| C/POPhoto | Chief Petty Officer Photographer |
| C/POPtlmn | Chief Petty Officer Patrolman |
| C/POStwd | Chief Petty Officer Steward |
| C/POTel | Chief Petty Officer Telegraphist |
| C/POWtr | Chief Petty Officer Writer |
| C/RA | Chief Radio Artificer |
| C/Shpt | Chief Shipwright |
| C/SPO | Chief Stoker Petty Officer |
| C/Sto | Chief Stoker |
| C/Sto(FF) | Chief Stoker (Fire Fighter) |
| C&A | Corrections & Amendments |
| C&AAA | Coast & Anti-Aircraft Artillery |
| C&AAATC | Coast & Anti-Aircraft Artillery Training Centre |
| C&M | Care and Maintenance |
| C&P | Counseling and Probation |
| C&P | Counselling and Probation |
| C&SM | Sheet metal & Copper Smith |
| C&TC | Commissariat and Transport Corps |
| C&YR | Carleton & York Regiment |
| C1 | Chief Petty Officer 1st Class |
| C1Div | Clearance Diver |
| C2 | Chief Petty Officer 2nd Class |
| CA | Controller, Aircraft (Air Ministry) |
| CA | Coast artillery or civil affairs |
| CA | Civil affairs or coast artillery |
| CA | Canadian Army |
| CA | Control Armourer |
| CA | Heavy Cruiser (U.S.) |
| CA | Coast Artillery or Civil Affairs |
| CA-MCURCAMC | Canadian Anti-Malaria Control Unit, Royal Canadian Army Medical Corps |
| CA"Y"F | Canadian Army British West Indies Force |
| CA(A) | Canadian Army (Active) |
| CA(A)TC | Canadian Army (Advanced) Training Centre |
| CA(AF) | Canadian Army (Active Force) |
| CA(B)TC | Canadian Army (Basic) Training Centre |
| CA(M) | Canadian Army (Militia) |
| CA(NRMA) | Canadian Army (National Resources Mobilization Act of 1940) |
| CA(PF) | Canadian Army (Permanent Force) |
| CA(R) | Canadian Army (Regular) |
| CA(Res)or(R) | Canadian Army (Reserve) |
| CA(RF) | Canadian Army (Reserve Force) |
| CA(RR) | Canadian Army (Regular Reserve) |
| CA(SF) | Canadian Army (Special Force) |
| CA/SA | Chief Anti-Submarine Artificer |
| CA/SEE | Captain, Anti-Submarine Experimental Establishment |
| CA/TKRPRCASC | Canadian Anti-Tank Regiment Platoon, Royal Canadian Army Service Corps |
| CA&AA | Coastal Artillery and Anti-Aircraft |
| CA2PS | Canadian Army 2 Pounder School |
| CAAC | Crown Assets Allocation Committee |
| CAACU | Civilian Anti-Aircraft Co-operation Unit |
| CAAF | Canadian Army Active Force |
| CAAORRCA | Canadian Anti-Aircraft Operations Room, Royal Canadian Artillery |
| CAAS | Canadian Army Administration School |
| CAB | Canadian Armoured Brigade |
| CAB | Canadian Army Band |
| CABC | Canadian Armoured Corps Band |
| CABCRCASC | Canadian Armoured Brigade Company, Royal Canadian Army Service Corps |
| CABOC | Canadian Armoured Brigade Ordnance Company |
| CABRR | Canadian Artillery Base Reinforcement Regiment |
| CABS | Canadian Armoured Brigade Signals |
| CABTCA&TS | Canadian Army Basic Training Centre Administrative and Training Staff |
| CABW/SRCEME | Canadian Advance Base Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CABW/SRCEME | Canadian Armoured Brigade Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CAC | Coast Artillery Cooperation |
| CAC | Commonwealth Aircraft Corporation; or Coast Artillery Co-operation; or Consolidated Aircraft Corporation; or Chrislea Aircraft Co. |
| CAC | Canadian Armoured Corps |
| CAC | Central Advisory Council |
| CAC(A)TC(CA) | Canadian Armoured Corps (Advanced) Training Centre (Canadian Army) |
| CACBTC | Canadian Armoured Corps Basic Training Centre |
| CACCRCASC | Canadian Army Car Company, Royal Canadian Army Service Corps |
| CACF | Coast Artillery Co-operation Flight |
| CACF | Commander Captain-in-Command, Araken Coastal Forcer |
| CACHU | Canadian Armoured Corps Holding Unit |
| CACOFP | Canadian Armoured Corps Ordnance Field Park |
| CACPRCASC | Canadian Army Catering Pool, Royal Canadian Army Service Corps |
| CACRU | Canadian Armoured Corps Reinforcement Unit |
| CACS | Central Air Command Section |
| CACSCAC | Canadian Air Control Section, Canadian Armoured Corps |
| CACSqn | Coast Artillery Co-operation Squadron, (Royal Canadian Air Force) |
| CACTC | Canadian Armoured Corps Training Centre |
| CACTC(A) | Canadian Armoured Corps Training Centre (Active) |
| CACTCR | Canadian Armoured Corps Training Centre Reserve |
| CACTE | Canadian Armoured Corps Training Establishment |
| CACTR | Canadian Armoured Corps Training Regiment |
| CACTS | Canadian Armoured Corps Training Squadron |
| CACTSR | Canadian Armoured Corps Trained Soldiers Regiment |
| CACTU | Canadian Armoured Corps Training Unit |
| CACU | Coast Artillery Co-operation Unit |
| CAD | Central Ammunition Depot |
| CAD | Central Ammunition Depot |
| CADC | Canadian Army Dental Corps |
| CADC | Canadian Army Dental Corps - corps of military dentists and other personnel providing dental services to soldiers |
| Cadets | Cadet Services (Directorate of Military Training) |
| CADIS | Canadian Armoured Division Intelligence Section |
| CADMS | Canadian Advance Depot Medical Stores |
| CADOFPRCOC | Canadian Armoured Division Ordnance Field Park, Royal Canadian Ordnance Corps |
| CADPAT | Canadian Disruptive Pattern (uniform design) |
| CADPAT | Canadian Disruptive Pattern |
| CADPUCPC | Canadian Armoured Division Postal Unit, Canadian Postal Corps |
| CADR | Canadian Armoured Delivery Regiment |
| CADR(ER)CAC | Canadian Armoured Delivery Regiment (Elgin Regiment), Canadian Armoured Corps |
| CADRCASC | Canadian Armoured Division, Royal Canadian Army Service Corps |
| CADRSSRCCS | Canadian Armoured Delivery Regiment Signal Section, Royal Canadian Corps of Signals |
| CADRTC | Canadian Armoured Division Reinforcement Transit Camp |
| CADSCDC | Canadian Army Dental Stores, Canadian Dental Corps |
| CADSGCRCASC | Canadian Armoured Divisional Support Group, Royal Canadian Army Service Corps |
| CADSP | Canadian Armoured Division Sub Park |
| CADTCRCASC | Canadian Armoured Division Transport Company, Royal Canadian Army Service Corps |
| CADTS | Canadian Armoured Division Training School |
| CADU | Canadian Army Demonstration Unit |
| CADW/SRCOC | Canadian Armoured Division Workshop, Royal Canadian Ordnance Corps |
| CAEBTC | Canadian Army Engineer Basic Training Centre |
| CAEC(B&NY) | Canadian Army Enlistment Centre (Boston and New York) |
| CAEE | Coast Artillery Experimental Establishment |
| CAerM | Chief Aerographer's Mate |
| CAERNS. | Caernarvonshire |
| CAESU | Canadian Army Equipment Selection Unit |
| CAEU | Casualty Air Evacuation Unit |
| CAF | Citizen Air Force (reserve) |
| CAFAC | Commander, Allied Force, Aruba and Curacao (U.S.) |
| CAFHSR-CAMC | Canadian Army Field Hygiene Section, Royal Canadian Army Medical Corps |
| CAFO | Confidential Admiralty Fleet Order |
| CAFRSSRCS | Canadian Army Field Regiment Signal Section, Royal Canadian Signals |
| CAFSS | Canadian Army Field Security Section |
| CAFVS | Canadian Armoured Fighting Vehicles School |
| CAFVTC | Canadian Armoured Fighting Vehicles Training Centre |
| CAG | Canadian Artillery Group |
| CAGRA | Commander Army Group RA (brigadier) |
| CAGRE | Commander, Army Group Royal Engineers |
| CAGS | Canadian Army Gymnastic Staff |
| CAHC | Canadian Army Hydrological Corps |
| CAHQDC(RMR) | Canadian Army headquarters Defence Company (Royal Montreal Regiment) |
| CAHU | Canadian Artillery Holding Unit |
| CAIB | Canadian Army Identification Bureau |
| CAIPCIC | Canadian Army Interrogation Pool, Canadian Infantry Corps |
| CAIS | Canadian Army Intelligence Section |
| CAITH. | Caithness |
| CAL | Caliber |
| CAL FLT | Flt Calibration Flight |
| CAL. | Calibration |
| CALE | Canadian Army Liaison Establishment |
| Calg Highrs | The Calgary Highlanders Regiment |
| Calg R | The Calgary Regiment |
| CalgH | Calgary Highlanders |
| CalgR | Calgary Regiment |
| Call sign MOAY | No. 31 Squadron RAF |
| Call sign MOAZ | Colerne Communication Squadron RAF |
| Call sign MOBC | No. 242 Operational Conversion Unit RAF |
| Call sign MOBM | No. 84 Squadron RAF |
| Call sign MODA | No. 24 Squadron RAF?&?No.1 Parachute and Glider Training School |
| Call sign MODB | No. 53 Squadron RAF |
| Call sign MODC | No. 24 Squadron RAF,?No. 27 Squadron RAF?&?No. 62 Squadron RAF |
| Call sign MODD | No. 238 Squadron RAF |
| Call sign MODF | No. 30 Squadron RAF?&?Airwork Ltd. |
| Call sign MODG | Queens Flight RAF |
| Call sign MODW | Silver City Airways |
| Call sign MOFA | No. 18 Squadron RAF |
| Call sign MOFB | No. 77 Squadron RAF |
| Call sign MOFC | Unknown - possibly 62Sqn |
| Call sign MOFG | No. 46 Squadron RAF?&?No. 114 Squadron RAF |
| Call sign MOGA | No. 53 Squadron RAF?&?No. 99 Squadron RAF |
| Call sign MOGB | No. 47 Squadron RAF |
| Call sign MOGC | No. 242 Operational Conversion Unit RAF |
| Call sign MOGH | No. 70 Squadron RAF |
| Call sign MOGP | No. 48 Squadron RAF |
| Call sign MOGX | Unknown - possibly an Abingdon Wing or Sqn |
| Call sign MOGZ | No. 24 Squadron RAF |
| Call sign MOHA | No. 297 Squadron RAF |
| Call sign MOHC | No. 295 Squadron RAF?&?No. 113 Squadron RAF |
| Call sign MOHD | No. 47 Squadron RAF |
| Call sign MOJA | No. 99 Squadron RAF |
| Call sign MOKD | No. 24 Squadron RAF |
| Call sign MOLG | Queens Flight RAF |
| Call sign MONY | Metropolitan Communication Squadron RAF |
| Call sign MOPT | 2nd Tactical Air Force Communication Squadron |
| Call sign MORC | No. 242 Operational Conversion Unit RAF |
| Call sign MORG | No. 30 Squadron RAF |
| Call sign MORK | Unknown |
| Call sign MORM | No. 84 Squadron RAF |
| Call sign MORT | 2nd Tactical Air Force Communication Squadron |
| Call sign MOSC | No. 30 Squadron RAF |
| Call sign MOTA | No. 216 Squadron RAF |
| Call sign MOVF | No. 622 Squadron RAF?&?Airwork Ltd. |
| Call sign MOWA | No. 40 Squadron RAF |
| Call sign MOWB | No. 59 Squadron RAF |
| Call sign MOYA | No. 51 Squadron RAF |
| Call sign MOYB | No. 59 Squadron RAF |
| Call sign MOYC | No. 511 Squadron RAF |
| Call sign MOYD | No. 24 Squadron RAF?&?No. 59 Squadron RAF |
| Call sign MOYF | No. 242 Squadron RAF |
| Call sign MOYG | No. 206 Squadron RAF |
| Call sign MOYU | Supreme Commanders Headquarters Communication Squadron RAF |
| Call sign MOYX | No. 242 Squadron RAF |
| Call sign OAA | No. 24 Squadron RAF |
| Call sign OAP | Air Dispatch Letter Squadron |
| Call sign ODA | No. 24 Squadron RAF |
| Call sign ODC | No. 238 Squadron RAF?&?No. 436 Squadron RAF |
| Call sign ODE | No. 62 Squadron RAF |
| Call sign ODF | No. 147 Squadron RAF |
| Call sign ODJ | No. 78 Squadron RAF |
| Call sign ODK | No. 512 Squadron RAF?&?No. 241 Squadron RAF |
| Call sign ODM | No. 436 Squadron RAF |
| Call sign ODN | No. 271 Squadron RAF |
| Call sign ODO | No. 437 Squadron RAF |
| Call sign ODP | No. 216 Squadron RAF |
| Call sign ODR | No. 48 Squadron RAF |
| Call sign ODS | No. 575 Squadron RAF |
| Call sign ODT | No. 53 Squadron RAF |
| Call sign ODU | No. 77 Squadron RAF?&?No. 31 Squadron RAF |
| Call sign ODV | No. 10 Squadron RAF |
| Call sign ODW | No. 52 Squadron RAF |
| Call sign ODY | No. 1333 (Transport) Conversion Unit RAF |
| Call sign ODZ | British Overseas Airways Corporation |
| Call sign OFA | No. 10 Squadron RAF?&?No. 437 Squadron RAF |
| Call sign OFB | No. 77 Squadron RAF?&?No. 271 Squadron RAF |
| Call sign OFD | No. 575 Squadron RAF |
| Call sign OFG | No. 46 Squadron RAF |
| Call sign OFN | No. 575 Squadron RAF |
| Call sign OFR | No. 238 Squadron RAF |
| Call sign OFT | No. 187 Squadron RAF |
| Call sign OFU | No. 233 Squadron RAF |
| Call sign OFV | No. 271 Squadron RAF |
| Call sign OFZ | British Overseas Airways Corporation |
| Call sign OHC | No. 1665 Heavy Conversion Unit RAF |
| Call sign OHD | No. 301 Squadron RAF |
| Call sign OHL | No. 113 Squadron RAF |
| Call sign OKD | No. 24 Squadron RAF |
| Call sign OKZ | British Overseas Airways Corporation |
| Call sign OLB | No. 246 Squadron RAF |
| Call sign OLL | No. 111 Operational Training Unit RAF |
| Call sign OLM | No. 206 Squadron RAF |
| Call sign OLN | No. 466 Squadron RAF |
| Call sign OLP | No. 426 Squadron RAF |
| Call sign OLW | No. 86 Squadron RAF |
| Call sign OLX | No. 220 Squadron RAF |
| Call sign OLZ | British Overseas Airways Corporation |
| Call sign OQZ | British Overseas Airways Corporation |
| Call sign ORJ | No. 51 Squadron RAF |
| Call sign ORK | No. 242 Squadron RAF |
| Call sign ORL | No. 46 Squadron RAF |
| Call sign ORO | No. 158 Squadron RAF |
| Call sign ORP | No. 196 Squadron RAF?&?No. 299 Squadron RAF |
| Call sign ORS | No. 299 Squadron RAF |
| Call sign ORT | No. 1588 (Heavy Freight) Flight RAF |
| Call sign OSD | No. 232 Squadron RAF |
| Call sign OSK | No. 233 Squadron RAF |
| Call sign OXG | No. 163 Squadron RAF |
| Call sign OYA | No. 511 Squadron RAF |
| Call sign OYB | No. 246 Squadron RAF |
| Call sign OYC | No. 511 Squadron RAF |
| Call sign OYD | No. 24 Squadron RAF |
| Call sign OYF | No. 242 Squadron RAF |
| Call sign OYZ | No. 1384 Conversion Unit RAF |
| CALO | Command Amenities Liaison Officer |
| CALS | Canadian Air Liaison Section |
| CAM | Camouflage or camouflaged (CAMO) |
| CAM | Catapult Aircraft Merchant Vessel |
| CAM | Camouflage |
| CAM | Canadian Army Medical Corps |
| CAM-SHIP | Catapult-Armed Merchant Ship |
| Cam. | Camouflage |
| Camb | The Cambridgeshire Regiment |
| CAMB | Central Air Medical Board |
| CAMB R | Cambridgeshire Regiment |
| CambR | Cambridgeshire Regiment |
| CAMBS | Cambridgeshire Regiment (TA) |
| CAMBS. | Cambridgeshire |
| CAMBU | Canadian Army Mobile Bath Unit |
| CAMC | Canadian Army Medical Corps |
| CAMC | Canadian Army Medical Corps - corps of military doctors, nursing sisters and other personnel providing medical treatment to soldiers |
| CAMCTC | Canadian Army Medical Corps Training Centre |
| CAMERONIANS | Cameronians (Scottish Rifles) |
| Cameronians (Cam) | The Cameronians (Scottish Rifles) Regiment |
| CAMERONS | Queen's Own Cameron Highlanders |
| CAMERONS | The Queen's Own Cameron Highlanders |
| Camerons (CamH) | The Queen's Own Cameron Highlanders Regiment |
| Camerons of C | The Queen?s Own Cameron Highlanders of Canada Regiment |
| Camerons of C. | The Queen's Own Cameron Highlanders of Canada |
| CAMMS | Canadian Army Motor Mechanic School |
| CAMN HIGHS | Cameron Highlanders |
| CamnHighs | Cameron Highlanders |
| CAMO | Camouflage Unit |
| CAMS | Catapult Aircraft Merchant Ships |
| CAMSI | Confidential Admiralty Merchant Shipping Instructions |
| Can | Canadian |
| CAN | Canteen |
| CANADA COM | COM Canada Command |
| Canavhed | Canadian Naval Headquarters |
| CanCavBde | Canadian Calvary Brigade |
| CANCOM | Canada Command |
| CanCycBn | Canadian Cyclist Battalion |
| CanCyclistBn | Canadian Cyclist Battalion |
| Cand W | Cable and Wireless Company |
| CanDCyc | Canadian Divisional Cyclists |
| CanDivCav | Canadian Divisional Calvary |
| CanDivCyc | Canadian Divisional Cyclists |
| CanDivHQ | Canadian Divisional Headquarters |
| CanDivSig | Canadian Divisional Signals |
| CanEng | Canadian Engineers |
| CANEX | Canadian Forces Exchange |
| CanFdArt | Canadian Field Artillery |
| CanForC | Canadian Forestry Corps |
| CANFORGEN | Canadian Forces General Order |
| CanFus | Canadian Fusiliers |
| CanHighComm | Canadian High Commissioner |
| CanHyBy | Canadian Heavy Battery |
| CanInfBde | Canadian Infantry Brigade |
| CanInfWksC | Canadian Infantry Works Corps |
| CanLabrBn | Canadian Labour Battalion |
| CANLANDGEN | Land Force General Message |
| CanLH | Canadian Light Horse |
| CANMIL | Canadian Military Headquarters |
| CANMILITRY | Canadian Military Headquarters |
| CanMMGBde | Canadian Machine Gun Brigade |
| CanMtdRif | Canadian Mounted Rifles |
| CanordC | Canadian Ordnance Corps |
| CanPnrBn | Canadian Pioneer Battalion |
| CanPostalC | Canadian Postal Corps |
| CanRemtD | Canadian Remount Depot |
| CanRlyConsC | Canadian Railway Construction Corps |
| CANS | Civil Air Navigation School |
| CanSanSec | Canadian Sanitary Section |
| CanScts | Canadian Scouts |
| CanSiberianExpFce | Canadian Siberian Expeditionary Force |
| CANSOFCOM | Canadian Special Operations Forces Command |
| CanTankC | Canadian Tank Corps |
| CAO | Canadian Army Order |
| CAO | Canadian Army Overseas |
| CAO | Command Account Officer |
| CAO | Chief Accountant Officer |
| CAO(s) | Canadian Army Orders |
| CAOC | Canadian Army Ordnance Corps |
| CAOF | Canadian Army Occupation Force |
| CAOFP | Canadian Army Ordnance Field Park |
| CAOPS | Canadian Air Observation Post Squadron |
| CAORG | Canadian Army Operational Research Group |
| CAORO(s) | Canadian Army Overseas Routine Order(s) |
| CAOS | Combined Air Observers School |
| CAP | Captain |
| CAP | Chief Aviation Pilot |
| Cap | Captain |
| CAP | Canadian Army Projectionist |
| CAP | Common Army Phase |
| CAP | Corps Ammunition Park Royal Canadian Army Service Corps |
| CAP | Captain |
| CAPC | Canadian Army Pay Corps |
| CAPCRCAC | Canadian Armoured Personnel Carrier Regiment, Canadian Armoured Corps |
| CAPCRSTRCS | Canadian Armoured Personnel Carrier Regiment Signal Troop, Royal Canadian Signals |
| CAPF | Canadian Army Pacific Force |
| CapINF | Capitaine Infirmiere |
| CAPIS | Canadian Air Photo Interpretation Section, Canadian Intelligence Corps |
| CAPO | Canadian Army Post Office |
| CAPPUCIC | Canadian Army Photo Processing Unit, Canadian Intelligence Corps |
| CAPRCASC | Corps Ammunition Park Royal Canadian Army Service Corps |
| CAPS | Canadian Army Pay Services |
| CAPS | Captain, Auxiliary Patrol, Scapa |
| CAPT | Captain |
| CAPT | Captain or Colonel |
| Capt | Captain |
| CAPT | Captain |
| CAPT (N) | (N) Captain (Navy) |
| Capt(D) | Captain (Destroyers) |
| CAPTI/C | Captain-in-Charge |
| CAPTMLC | Captain, Major Landing Craft |
| CAPU | Canadian Army Postal Unit |
| CAR | Canadian Airborne Regiment |
| CAR | Canadian Armoured Regiment |
| CAR | Canadian Army Representative |
| CAR | Carpenter |
| CAR(CR) | Canadian Armoured Regiment (Calgary Regiment) |
| CARADSFR | Canadian Armoured Regiment Advance Details Sherbrooke Fusiliers Regiment |
| CARBRCA | Canadian Army Radar Battery Royal Canadian Artillery |
| CARC | Canadian Army Recovery Company |
| CARCRCOC | Canadian Army Recovery Company, Royal Canadian Ordnance Corp |
| CARD | Central Aircraft Repair Depot |
| CARD | Canadian Artillery Reinforcement Depot |
| CARDE | Canadian Armament Research Development Establishment |
| CARDS. | Cardiganshire |
| CareerTrg | Career Training |
| CARFTU | Canadian Artillery Reinforcement Unit |
| CARIB | Caribbean (U.S.) |
| CARIBSEAFRON | Caribbean Sea Frontier (U.S.) |
| Carl & York | The Carleton and York Regiment |
| CARMAR. | Carmarthenshire |
| CARNBH | Canadian Armoured Regiment New Brunswick Hussars |
| CARO(s) | Canadian Army Routine Order(s) |
| Carp | Carpenter |
| Carpr | Carpenter |
| CARR | Carrier |
| CARR(GGHG) | Canadian Armoured Recce Regiment (Governor General's Horse Guards) |
| CART Cartridge | |
| CARTC | Canadian Army Rehabilitation Training Centre |
| CartDmn | Cartographic Draughtsman |
| Cartymn | Chief Artilleryman |
| CARU | Canadian Army Reinforcement Unit |
| CAS | Chief of the Air Staff; or Casualty |
| CAS | Casualty (ies) |
| CAS | Canadian Administration School |
| CAS | Canadian Army Shows |
| CAS | Canadian Army Staff |
| CAS | Canadian Artillery School |
| CAS | Chief of the Air Staff |
| CAS | Casualty or Casualties or Coastal Artillery School |
| CASC | Canadian Army Service Corps |
| CASC | Canadian Air Support Control |
| CASC | Canadian Army Service Corps - branch of the military responsible for supplying troops in the field |
| CASCIC | Censorship Advisory Section, Canadian Intelligence Corps |
| CASCRCE | Canadian Air Survey Company Royal Canadian Engineers |
| CASCRU | Canadian Army Service Corps Reinforcement Unit |
| CASDRCASC | Canadian Advance Stationary Depot, Royal Canadian Army Service Corps |
| CASEU | Canadian Auxiliary Service Entertainment Unit |
| CASEVAC | Casualty Evacuation |
| CASF | Canadian Active Service Force; or Canadian Army Special Force |
| CASF | Canadian Active Service Force |
| CASL | Coast Artillery Searchlight |
| CASofI | Canadian Army School of Instruction |
| CASofI | Coast Artillery School of Instruction |
| CASS | Canadian Auxiliary Services Section |
| CASSU | Canadian Air Support Signal Unit |
| CASSURCCS | Canadian Air Support Signal Unit, Royal Canadian Corps of Signals |
| CASTS | Combined Anti Submarine Tactical School |
| CAT | College of Air Training |
| CAT | Damage Category |
| CAT | Catering |
| CATB | Canadian Army Tank Brigade |
| CATBCRCASC | Canadian Army Tank Brigade Company, Royal Canadian Army Service Corps |
| CATBHSC | Canadian Army Tank Brigade Heavy Support Company |
| CATBn | Canadian Army Tank Battalion |
| CATBS | Canadian Army Tank Brigade Signals |
| CATBSPRCOC | Canadian Army Tank Brigade Sub Park, Royal Canadian Ordnance Corps |
| CATC | Canadian Army Training Centre |
| CATCAC | Canadian Army Troop, Canadian Armoured Corps |
| CATCCRCASC | Canadian Assault Troops Composite Company, Royal Canadian Army Service Corps |
| CATCRCASC | Canadian Administrative Transport Company, Royal Canadian Army Service Corps |
| CATCS | Central Air Traffic Control School |
| CATM | Canadian Army Training Memorandum |
| CATOFP | Canadian Army Tank Ordnance Field Park |
| CATOR | Combined Air Transport Operations Room |
| CATR | Canadian Army Tank Regiment |
| CATS | Canadian Army Tank School |
| CATS | Canadian Army Training School |
| CATW/SRCOC | Canadian Armoured Troops Workshop, Royal Canadian Ordnance Corps |
| CAU | Canadian Administration Unit |
| CAU | Civil Affairs Unit |
| CAUC | Canadian Army University Course |
| CAV | Cavalry |
| Cav | Cavalry - soldiers who fought on horseback |
| CAV | Cavalry |
| CAV ARMD | Cavalry Armoured |
| CAV BDE | Cavalry Brigade |
| Cav. | Cavalry |
| CAVC | Canadian Army Veterinary Corps |
| CAW | College of Air Ware fare |
| CAW | Canadian Army Staff, Washington |
| CAWC | Canadian Artizan Works Company, Royal Canadian Engineers |
| CB | Counter-battery or confinement to barracks |
| CB | Confinement to barracks or counter-battery |
| CB | Chief Boilermaker |
| CB | Coast Brigade |
| CB | Companion of the Order of the Bath |
| CB | Confidential Book |
| CB | Confined to Barracks |
| CB | Order of the Bath (Companion) |
| CB | Confined to Barracks or Counter Battery |
| CB | Commander of the Most Honourable Order of Bath |
| CB Highrs | The Cape Breton Highlanders Regiment |
| CBA | Canadian Broadcasting Corporation Broadcasting Station |
| CBBDB | Camp Borden Branch Detention Barracks |
| CBBOP | Counter-bombardment Battery Observation Post |
| CBC | Canadian Broadcasting Corporation |
| CBCF | Coastal Battery Cooperation Flight |
| CBCS | Coastal Battery Cooperation School |
| CBD | Canadian Base Details |
| CBD | Canadian Base Depot |
| CBD | Canadian Base Details - small units charged with maintaining and improving camp areas |
| CBDC | Canadian Base Dental Company |
| CBDCMSC | Camp Borden Detachment, Corps of Military Staff Clerks |
| CBDMSRCAMC | Canadian Base Depot Medical Stores, Royal Canadian Army Medical Corps |
| CBDRCOC | Camp Borden Details, Royal Canadian Ordnance Corps |
| CBDSCDC | Canadian Base Dental Stores, Canadian Dental Corps |
| CBE | Central Bomber Establishment |
| CBE | Commander of the Order of the British Empire |
| CBE | Order of the British Empire (Commander) |
| CBE | Commander of the Most Excellent Order of the British Empire |
| CBG | Canadian Brigade Group |
| CBgmstr | Chief Buglemaster |
| CBH(RB) | Cape Breton Highlanders (Rifle Battalion) |
| CBHQS | Camp Borden Headquarters Staff |
| CBM | Chief Boatswain's Mate |
| CBMHRCAMC | Camp Borden Military Hospital, Royal Canadian Army Medical Corps |
| CBMHRCAMC | Coteau Barracks Military Hospital, Royal Canadian Army Medical Corps |
| CBMHRCAMC | Currie Barracks Military Hospital, Royal Canadian Army Medical Corps |
| CBO | Counter-battery officer |
| CBO | Counter Bombardment Officer & Staff |
| CBOD | Canadian Base Ordnance Depot |
| CBOI(ACSRRCA) | Canadian Base Ordnance Increment (Attached Canadian Survey Regiment, Royal Canadian Artillery) |
| CBOSRCA | Counter Battery Officers Staff, Royal Canadian Artillery |
| CBOSRCACC | Counter Battery Officers Staff, Royal Canadian Artillery, Canadian Corps |
| CBOStaff | Counter Battery Officers Staff |
| CBOW/SRCOC | Canadian Base Ordnance Workshop, Royal Canadian Ordnance Corps |
| CBP | Canadian Base Park |
| CBPRCE | Canadian Base Park, Royal Canadian Engineers |
| CBRCA | Centaur Battery, Royal Canadian Artillery |
| CBRCA | Coast Battery, Royal Canadian Artillery |
| CBRD | Canadian Base Reinforcement Depot |
| CBRG | Canadian Base Reinforcement Group |
| CBRGSofCRCACS | Canadian Base Reinforcement Group School of Cookery, Royal Canadian Army Service Corps |
| CBRN | Chemical, Biological, Radiological and Nuclear |
| CBSC | Canadian Base Staging Camp |
| CBSO | Counter Battery Staff Officer |
| CBSRCASC | Canadian Barracks Services, Royal Canadian Army Service Corps |
| CBSS(CMF) | Canadian Base Signal Section (Central Mediterranean Force) |
| CBSSRCCS | Camp Borden Signal Section, Royal Canadian Corps of Signals |
| CBT TM | Tm Combat Team |
| CBTC | Canadian Base Transport Company |
| CBTD | Canadian Base Transit Depot |
| CBTPRCASC | Canadian Base Transport Platoon, Royal Canadian Army Service Corps |
| CBU | (Headquarters) Canadian Base Unit |
| CBUCCRCE | Canadian Base Units Construction Company, Royal Canadian Engineers |
| CC | Confined to Camp; or Capability Component |
| CC | Combat Command |
| CC | Camouflage Course |
| CC | Camp Commandant Royal Canadian Air Force Headquarters |
| CC | Canadian Corps |
| CC | Cancellations & Corrections |
| CC | Chief Constructor |
| CC | Civil Convictions |
| CC | Clerk's Course |
| CC | Communicator ( C ) |
| CC | Companion of the Order of Canada |
| CC | Conditioning Centre |
| CC | Confined to Camp |
| CC | Confined to Camp or Camp Commandant |
| CC-V (S)2 | Officers of the Volunteer Reserve appointed for naval construction duties. |
| CC(F)IS | Coastal Command (Flying) Instructors School |
| CC&A-AAS | Canadian Coast & Anti-Aircraft Artillery School |
| CC&ATSPRCOC | Canadian Corps & Army Troops Sub Park, Royal Canadian Ordnance Corps |
| CCAC | Canadian Casualty Assembly Centre - centre where wounded were assessed for either further treatment or return to duty |
| CCACS | (Construction), Company Atlantic Command Signals |
| CCAPMF | Coastal Command Aircraft Preparation& Training Unit |
| CCAS | Canadian Coast Artillery School |
| CCAS | S-1 Victoria |
| CCAS | S-2 Petawawa |
| CCB | Canadian Calvary Brigade |
| CCB | Canadian Cyclist Battalion |
| CCB | Combined Communications Board |
| CCBMGS | Canadian Cavalry Brigade Machine Gun Squadron |
| CCBPNo | Combined Communications Board, Publication Number |
| CCC | Canadian Construction Company |
| CCC | Casualty Clearing Centre |
| CCC | Commonwealth Communications Council |
| CCCC | Canadian Corps Composite Company - unit of men unfit for active duty at the front and attached to Corps Headquarters for employment |
| CCCC | Cape Colony Cyclist Corps |
| CCCCRCASC | Canadian Corps Car Company, Royal Canadian Army Service Corps |
| CCCRCE | Canadian Construction Company, Royal Canadian Engineers |
| CCCS | Canadian Casualty Clearing Station |
| CCCS | Captain (later Commodore) Commanding Canadian Ships and Establishments in the United Kingdom |
| CCCTRCASC | Canadian Command Corps Troops, Royal Canadian Army Service Corps |
| CCCU | Canadian Cemetery Construction Unit |
| CCD | Course Control Document; or Canadian Convalescent Depot |
| CCD | Canadian Command Depot |
| CCD | Canadian Convalescent Depot - facility where soldiers could recover from wounds and rebuild their strength |
| CCD | Canadian Corps Depot |
| CCDC | Canadian Corps Defence Company |
| CCDRCAMC | Canadian Convalescent Depot, Royal Canadian Army Medical Corps |
| CCDSSTRCCS | Canadian Corps Delivery Squadron Signal Troop, Royal Canadian Corps of Signals |
| CCDU | Coastal Command Development Unit |
| CCERCE | Canadian Constructional Engineers, Royal Canadian Engineers |
| CCF | Commander Coastal Forces |
| CCF | Combined Cadet Force |
| CCF/U | Check and Conversation Flight/Unit |
| CCFATU | Coastal Command Fighter Affiliation & Training Unit |
| CCFC | Company Canadian Forestry Corps |
| CCFCORCAPC | Canadian Corps Field Cash Office, Royal Canadian Army Pay Corps |
| CCFPC | Canadian Corps Field Park Company |
| CCFPC | Canadian Corps Field Punishment Camp |
| CCGS | Coat sal Command Gunnery School |
| CCHA | Canadian Corps Heavy Artillery |
| CCI | Chief Chemical Inspector |
| CCIS | Canadian Corps Intelligence Section |
| CCK | Chief Cook |
| CCLPP | Coastal Command Land Plane Pilots Pool |
| CCM | Chief Carpenter's Mate |
| CCM | Canadian Centennial Medal (1967) |
| CCM | Combined Cypher Machine |
| CCM&HC | Canadian Courts Martial & Holding Centre |
| CCMA | Canadian Corps Medium Artillery |
| CCMHQSRCS | Company Canadian Military Headquarters Signals, Royal Canadian Signals |
| CCMOS | Canadian Counter Mortar Officers Staff |
| CCMOSRCA | Canadian Counter Mortar Officer Staff, Royal Canadian Artillery |
| CCMSRCA | Canadian Corps Meteorological Section, Royal Canadian Artillery |
| CCNF | Commodore Commanding Newfoundland Force |
| CCO | Chief of Combined Operations |
| CCO | Civilian Contracts Officer, Joint Air Training Plan |
| CCO | Coder and Cypher Office |
| CCO | Communications, Coding and Cyphering Arrangements |
| CCOD | Canadian Central Ordnance Depot |
| CCOS | Combined Chiefs of Staff |
| CCP | Casualty Collecting Point |
| CCP | Casualty Clearing Post |
| CCPC | Company Canadian Provost Corps |
| CCPP | Coastal Command Preparation Pool |
| CCPPRCASC | Canadian Corps Petrol Park, Royal Canadian Army Service Corps |
| CCPS | Central Computation Pay System |
| CCPS | Computerized Central Pay System |
| CCPU | Canadian Corps Postal Unit |
| CCPU | Canadian Corps Protective Company |
| CCR(C)A | Commander Corps Royal (Canadian) Artillery |
| CCRA | Commander, Corps Royal Artillery (brigadier) |
| CCRA | Commander Corps, Royal Artillery |
| CCRC | Combat Crew Replacement Centre |
| CCRC | Canadian Corps Reinforcement Camp - centre in France where troops were held before being sent to reinforce existing units |
| CCRCAMC | Conditioning Centre, Royal Canadian Army Medical Corps |
| CCRCASC | Composite Company, Royal Canadian Army Service Corps |
| CCRE | Commander, Corps Royal Engineers (lieutenant-colonel) |
| CCRSIGS | Commander, Corps of Royal Signals |
| CCRTC | Canadian Corps Reinforcement Transit Camp |
| CCRU | Canadian Combined Reinforcement Unit |
| CCS | Casualty Clearing Station |
| CCS | Chief Commissary Steward Supervise ship's galley. |
| CCS | Chief Commissary Steward |
| CCS | Canadian Censor Section |
| CCS | Canadian Chaplain Services |
| CCS | Casualty Clearing Station - first medical unit (after the Aid Post) for wounded soldiers evacuated from the front lines |
| CCS | Code and Cypher School |
| CCS | Combined Chiefs of Staff |
| CCS | Casualty Clearing Station |
| CCSDF | Coastal Command Special Duties Flight |
| CCSO | Contraband Control Service Officer |
| CCSRCCS | Canadian Cipher Section, Royal Canadian Corps of Signals |
| CCSRCS | Canadian Corps Signals, Royal Canadian Signals |
| CCT | Canadian Calibration Troop |
| CCTC | Canadian Corps Transport Company |
| CCTC | Commandant, Combined Training Centre |
| CCTCC | Canadian Corps Troops Carrying Column |
| CCTCCRCASC | Commander Corps Troops Carrying Column, Royal Canadian Army Service Corps |
| CCTDU | Coastal Command Tactical Development Unit |
| CCTF | Coastal Command Training Flight/Combat Cairo Task Force Cd Command |
| CCTORCOC | Canadian Corps Troops Ordnance, Royal Canadian Ordnance Corps |
| CCTS | Combat Crew Training Squadron |
| CCTSI | Canadian Corps Troops Service Increment |
| CCTW/SRCEME | Canadian Corps Troops Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CCTW/SRCOC | Canadian Corps troops Workshop, Royal Canadian Ordnance Corps |
| CCU | Canadian Concentration Unit |
| CCWAC | Company Canadian Women's Military Corps |
| CCWACMD | Company Canadian Women's Army Corps Military Corps |
| CCWDL | Canadian Chemical Warfare Defence Laboratory |
| CCWS | Canadian Chemical Warfare School |
| CCZ | Canadian Coastal Zone |
| CD | Coast Defence; Canadian Decoration (service medal); or Civil Defence |
| CD | Canada Draft |
| CD | Canadian Forces Decoration |
| CD | Captain of the Dockyard |
| CD | Clearance Diver |
| CD | Coast Defence (Artillery) |
| CD | Commissioned |
| CD | Convalescent Detachments |
| CD | Coast Defence |
| CD(Records) | Correction on Documents |
| CD/CHH | Coast Defence Chain (Station) High Angle |
| CD/CHL | Coast Defence Chain (Station) Low angle |
| CD&AA | Coast Defence & Anti-Aircraft |
| CD&AAATC | Coast Defence & Anti-Aircraft Artillery Training Centre |
| CD&AAW/SS | Coast Defence & Anti-Aircraft Workshop Section |
| CD&EP | Canadian Defence & Employment Platoon |
| CD&FPB | Canadian Detention and Field Punishment Barracks |
| CD&MS | Canadian Driving and Maintenance School |
| CDA | Canada |
| CDA | Canadian Defence Academy |
| CDA | Canadian Divisional Artillery |
| CDAC | Canadian Divisional Ammunition Depot |
| CDAC | Canadian Divisional Ammunition Column - railhead where divisional ammunition was stored before being shipped to the front |
| CDB | Canadian Detention Barracks |
| CDB | Coast Defence Battery |
| CDBOP | Coasst Defence Battery Observation Post |
| CDBPRCE | Canadian Divisional Bridging Platoon, Royal Canadian Engineers |
| CDC | Canadian Dental Corps |
| CDC | Canadian Disciplinary Centre |
| CDC | Canadian Divisional Calvary |
| CDCF | Coastal Command Cooperation Flight |
| CdCkO | Commissioned Cookery Officer |
| CDCRCE | Canadian Drilling Company, Royal Canadian Engineers |
| CdCtO | Commissioned Catering Officer |
| CDD | Canadian Discharge Depot - centre in Canada where soldiers returning from war were released from service |
| CDDU | Coast Defence Development Unit |
| CDE | Code |
| CdeG | Croix de Guerre |
| CdeG(B) | Croix de Guerre Belgium |
| CdeG(F) | Croix de Guerre France |
| CdEl | Commissioned Electrician |
| CdEng | Commissioned Engineer |
| CDG | Croix de Guerre |
| CDG | Croix de Guerre |
| CdG'nr | Commissioner Gunner |
| CDHQ | Canadian Divisional Headquarters |
| CDI | Command driver increment |
| CDIS | Canadian Division Intelligence Section |
| CDISRCASC | Canadian Detail Issue Depot, Royal Canadian Army Service Corps |
| CDL | Canal Defence Light |
| CDL | Canal Defence Lights |
| CDLS | Canadian Defence Liaison Staff |
| CDMD | Canada Draft Military District |
| CDN | Canadian |
| Cdn-Gds | Canadian Guards |
| CdnConstlEngrs | Canadian Constructional Engineers |
| CdnEngrs | Canadian Engineers |
| CDO | Commando |
| CDO | Commando |
| CDOF | French Western Africa colony |
| CDofDS | Canadian Depot of Dental Stores |
| CDOSC | Camp Daily Orders Sarcee Camp |
| CDOW/SRCOC | Canadian Divisional Ordnance Workshop, Royal Canadian Ordnance Corps |
| CDPU | Canadian Division Postal Unit |
| CDR | Commander |
| CDR | Commander or Lieutenant Colonel |
| CDR | Commodore1 or Brigadier General |
| Cdr | Coder |
| Cdr | Commander |
| CDR | Commander |
| Cdr(D) | Commander (Destroyers) |
| CDRAS&TD | Canadian Detachment Royal Armoured Corps School & Training Depot |
| CDRBCAO/S | Canadian Division Reece Battalion, Canadian Army Overseas |
| CDRE | Commodore |
| CDRJ | Commander, Force J. |
| CDRSRCS | Canadian Despatch Rider Section Royal Canadian Signals |
| CDS | Chief of the Defence Staff |
| CDS | Canadian Divisional Signals |
| CDS | Chief of the Defence Staff |
| CDSA | Controlled Drugs and Substances Act |
| CDSB | Canadian Division Support Battalion |
| CDSB | Commissioned Signal Boatswain |
| CDSCCRC | Canadian Division Section - Canadian Corps Reinforcement Camp |
| CDSCDC | Central Dental Stores, Canadian Dental Corps |
| CDSCRCASC | Canadian Division Supply Company, Royal Canadian Army Service Corps |
| CdShpt | Commissioned Shipwright |
| CdSO | Commissioned Stores Officer |
| CDSRC | Canadian Division Section Reinforcement Camp |
| Cdt | Cadet |
| CDT | Commissioned Telegraphist |
| CDTCRCASC | Canadian Division Troops Company, Royal Canadian Army Service Corps |
| CdTelegr | Cadet Telegraphist |
| CDTS | Canadian Divisional Training School |
| CDVGofCCMHQ | General Duty Veterans Guard of Canada, Canadian Military Headquarters |
| CdWO | Commissioned Writer Officer |
| CE | Canadian Engineers |
| CE | Canadian Engineers - corps of men who built bridges, railway depots, camps, bases and other military installations |
| CE | Chief Engineer |
| CE | Civil Engineer |
| CE | Chief Engineer or Canadian Engineers or Church of England |
| CE ROUND | Round Chemical Energy Round |
| CE(Wks) | Chief Engineer (Works) |
| CE&MPRCE | Canadian Electrical & Mechanical Platoon, Royal Canadian Engineers |
| CE&MSRCE | Canadian Electrical & Mechanical Section, Royal Canadian Engineers |
| CEA | Chief Electrical Artificer |
| CEAURCOC | Canadian Equipment Assembly Unit, Royal Canadian Ordnance Corps |
| CEC | Corps exp?ditionnaire canadien (French only) - force of more than 600,000 men established by the Government of Canada for service overseas |
| CEC-V (S) | Officers of the Volunteer Reserve appointed for special service in the Civil Engineer Corps. |
| CEDIT | Command Engineering Development & Investigation Unit |
| CEEW(A)RCEME | Canadian Engineer Equipment Workshop (Active), Royal Canadian Electrical and Mechanical Engineers |
| CEEW/SRCEME | Canadian Engineer Equipment Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CEEW/SRCOC | Canadian Engine Equipment Workshop, Royal Canadian Ordnance Corps |
| CEF | Casualty Defence Flight; or Canadian Expeditionary Force (1914-1919) |
| CEF | Canadian Expeditionary Force - force of more than 600,000 men established by the Government of Canada for service overseas |
| CEF | Canadian Expeditionary Force |
| CEFCOM | Canadian Expeditionary Force Command |
| CEG(B) | Canadian Employment Group "B" |
| CEHU | Canadian Engineer Holding Unit |
| CELE | Communications/Electronics Engineer |
| CEM | Chief Electrician's Mate |
| CEO | Camp Engineer Officer |
| CEO | Command Engineer Officer |
| CEOTP | Continuing Education Officer Training Plan |
| CEP | Canadian Employment Platoon |
| CEP | Casualty Evacuation Point |
| CEPF | Canadian Echelon Pacific Force |
| CEPO | Civilian Establishment and Pay Officer |
| CER | Combat Engineer Regiment |
| CER | Combat Engineer Regiment |
| CERA | Chief Engine Room Artificer |
| CERD | Canadian Engineer Reinforcement Depot |
| CERD | Canadian Engineer Reinforcement Depot - centre from which reinforcements were allocated to existing engineering units |
| CERU | Canadian Engineer Reinforcement Unit |
| CESF | Commander, Eastern Sea Frontier (U.S.) |
| CESU | Canadian Educational Services Unit |
| CETC | Canadian Engineer Training Centre |
| CETech | Construction Engineering Technician |
| CEURCAMC | Canadian Exhaustion Unit, Royal Canadian Army Medical Corps |
| CEW | Centimetric Early Warning |
| CeylonPLRC | Ceylon Planters Rifle Corps |
| CF | Chaplain to the forces |
| CF | Canadian Forces; or Canadian Fighter; or Communication Flight; or Conversion Flight (number Prefix) |
| CF | Canadian Forces |
| CF | Canadian Fusiliers |
| CF | Composite Flights |
| CF | Chaplin to the Forces |
| CF 98 | 98 Canadian Forces form #98 Report on Injuries |
| CF H SVCS GP | H Svcs Gp Canadian Forces Health Services Group |
| CF JNBCD | JNBCD Canadian Forces Joint Nuclear, Biological and Chemical Defence |
| CF LA | LA Canadian Forces Legal Advisor |
| CF(S) | Communications Flight (Squadron) |
| CF(SP)RRCA | Canadian Field (Self Propelled) Regiment, Royal Canadian Artillery |
| CF/UNIT | Camouflage Flight/Unit |
| CF&PS | Canadian Film and Photo Section |
| CF98 | Canadian Forces Form #98 - Report on Injuries |
| CFA | Canadian Field Ambulance; or Canadian Field Artillery |
| CFA | Calvary Field Ambulance |
| CFA | Canadian Field Ambulance - unit responsible for evacuating the wounded from the front lines to medical centres |
| CFA | Canadian Field Artillery - organization responsible for using medium-calibre guns in direct or indirect support of infantry |
| CFA | Cavalry Field Ambulance |
| CFAD | Canadian Forces Ammunition Depot |
| CFAO | Canadian Forces Administrative Order |
| CFASS | Canadian Field Auxiliary Services Section |
| CFB | Canadian Forces Base |
| CFB | Coastal Force Base |
| CFBMEK | Coast Force Base, Mers-El-Kebir |
| CFBRCA(AF) | Canadian Field Battery, Royal Canadian Artillery, (Active Force) |
| CFC | Canadian Forestry Corps |
| CFC | Chief Fire Controlman |
| CFC | Canadian Forces College |
| CFC | Canadian Forestry Corps - units designated to cut down and process trees to provide wood and lumber |
| CFC | Craftsman |
| CFCCDRCE | Canadian Field Company, Canadian Division, Royal Canadian Engineers |
| CFCCU | Civilian Fighter Control Cooperation Flight |
| CFCEP | Canadian Forces Continuing Education Program |
| CFCF | Canadian Forces Central Fund |
| CFCRCE | Canadian Field Company, Royal Canadian Engineers |
| CFCS | Canadian Forces Communications System; or Central Fighter Control School |
| CFCSC | Canadian Forces Command and Staff College (located in Toronto) |
| CFCSC | Canadian Forces Command and Staff Course |
| CFCTW | Canadian Forestry Corps Training Wing |
| CFDCP | Canadian Forces Drug Control Program |
| CFDS | Canadian Field Dressing Station |
| CFDSRCAMC | Canadian Field Dressing Station, Royal Canadian Army Medical Corps |
| CFE | Canadian Forces Europe; or Central Fighter Establishment |
| CFE | Commander, Coastal Forces, Eastern Mediterranean |
| CFEF | Canadian Far East Force |
| CFES | Canadian Field Educational Section |
| CFEWC | Canadian Forces Electronic Warfare Centre. Located a Shirleys Bay outside Ottawa. |
| CFF | Combined Forces in France |
| CFF | Communication and Ferry Flights |
| CFF | Corps of Civilian (Canadian) Fire Fighters For Service in the United Kingdom |
| CFFM | Canadian Forces Fire Marshal |
| CFFS | Canadian Forces Fleet School |
| CFFT | Coastal Forces Fuelling Tender |
| CFFTS | Canadian Forces Flight Training School |
| CFH | Canadian Field Hospital |
| CFH | Canadian Forces Hospital |
| CFHA | Canadian Forces Housing Agency |
| CFHS | Canadian Field Historical Section |
| CFHSvcsGp | Canadian Forces Health Services Group |
| CFI | Chief Flying Instructor; or Chief Flight Instructor; or Communications Flight Iraq |
| CFI&P | Communication Flight Iraq & Persia |
| CFIOG | Canadian Forces Information Operations Group |
| CFITES | Canadian Forces Individual Training and Education System |
| CFL | Compassionate Farm Leave |
| CFLAWC | Canadian Forces Land Advanced Warfare Centre |
| CFLC | Canadian Forces Liaison Council |
| CFLRS | Canadian Forces Leadership and Recruit School |
| CFMEP | Canadian Forces Military Equivalencies Program |
| CFMG | Canadian Forces Medical Group |
| CFMO | Canadian Forces Medical Order |
| CFMPA | Canadian Forces Military Police Academy |
| CFMS | Canadian Forces Medical Service |
| CFMSO | Coastal Forces Material Supply Officer |
| CFMTP | Canadian Forces Musician Training Plan |
| CFN | Canadian Forces Newspapers |
| CFN | Craftsman, A Private in any 400 series trade (VehTech, Wpns Tech, FCS Tech, Mat Tech) |
| Cfn | Craftsman |
| Cfn | Craftsman (Royal Canadian Electrical and Mechanical Engineers) |
| CFN | Canadian Forces in the Netherlands |
| CFN | Craftsman or Craftsmen |
| CFNCIU | Canadian Forces National Counter-Intelligence Unit |
| CFNES | Canadian Forces Naval Engineering School |
| CFNIS | Canadian Forces National Investigation Service |
| CFOCS | Canadian Forces Officer Candidate School |
| CFORS | Course for Orderly Room Sergeants |
| CFP | Canadian Forces Publication: A Canadian military book or PAM. |
| CFP | Canadian Forces Publication |
| CFPAF | Canadian Forces Personnel Assistance Fund |
| CFPAS | Canadian Forces Personnel Appraisal System |
| CFPC | Canadian Field Punishment Camp |
| CFPCRCE | Corps Field Park Company, Royal Canadian Engineers |
| CFPCUCIC | Canadian Field Press Censor Unit, Canadian Intelligence Corps |
| CFPD | Canadian Forces professional development |
| CFPM | Canadian Forces Provost Marshall (Commanding Officer of Canadian Military Police) |
| CFPO | Canadian Forces Post Office |
| CFPP | Civilian Ferry Pilots Pool |
| CFPP | Canadian Forces Parliamentary Program |
| CFPSA | Canadian Forces Personnel Support Agency |
| CFR | Canadian Forces Registration (vehicles license plate number); or Commissioning From Ranks |
| CFR | Commissioning From the Ranks |
| CFRC | Canadian Forces Recruiting Centre |
| CFRETS | Canadian Forces Recruiting, Education and Training System |
| CFRG | Canadian Forces Recruiting Group |
| CFRIMS | Canadian Forces Resources Information Management System |
| CFRP | Commissioning from the Ranks Plan |
| CFRRCAAP | Canadian Field Regiment, Royal Canadian Artillery, Advance Party |
| CFS | Canadian Forces Station; or Central Flying School |
| CFS | Canadian Field Squadron |
| CFS | Central Flying Schools |
| CFSAL | Canadian Forces School of Administration and Logistic |
| CFSATS | Canadian Forces Small Arms Trainer Simulator |
| CFSC | Canadian Field Survey Company |
| CFSCE | Canadian Forces School of Communications and Electronics |
| CFSCRCE | Canadian Field Survey Company, Royal Canadian Engineers |
| CFSD | Canadian Forces Supply Depot |
| CFSEME | Canadian Forces School of Electrical and Mechanical Engineering |
| CFSME | Canadian Forces School of Military Engineering |
| CFSO | Canadian Forces Supplementary Orders |
| CFSRD | Canadian Field Security Reserve Detachment |
| CFSS | Canadian Field Security Section |
| CFSURCAMC | Canadian Field Surgical Unit, Royal Canadian Army Medical Corps |
| CFTC(ID)RCASC | Canadian General Transport Company (Infantry Division), Royal Canadian Army Service Corps |
| CFTO | Canadian Forces Technical Order |
| CFTSHQ | Canadian Forces Training System Headquarters |
| CFTU | Canadian Field Transfusion Unit |
| CFW | Commander, Coastal Forces, Western Mediterranean |
| CFWD | Communication Flight Western Desert |
| CG | Canada Gazette |
| CG | Coldstream Guards |
| CG | Commanding General (U.S.) |
| CG | Compassionate Grounds |
| CGA | Canadian Garrison Artillery |
| CGA | Ceylon Garrison Artillery |
| CGA | Canadian Garrison Artillery - organization responsible for using large-calibre guns against heavily fortified positions |
| CGB | Canadian Garrison Battalion |
| CGBD | Canadian General Base Depot |
| CGBRB | Canadian General Base Reinforcement Battalion |
| CGCU | Canadian Graves Concentration Unit |
| Cgds | Coldstream Guards |
| CGE | Controller-General of Economy |
| CGG | The Canadian Grenadier Guards Regiment |
| CGG | Canadian Grenadier Guards (Now 22nd Armoured Regiment) |
| CGH | Canadian General Hospital |
| CGH | Canadian General Hospital - permanent hospital where extensive treatment was given to the wounded |
| CGHRCAMC | Canadian General Hospital, Royal Canadian Army Medical Corps |
| CGHU | Canadian General Holding Unit |
| CGIS | Central Gliding Instructors School |
| CGLS | Canadian General Labour Section |
| CGM | Conspicuous Gallantry Medal |
| CGM | Chief Gunner's Mate |
| CGM | Conspicuous Gallantry Medal |
| CGM | Conspicuous Gallantry Medal |
| CGMF | Central Glider Maintenance Flight |
| CGMP | Controller-General of Munitions Production |
| CGMU | Combat Group Medical Unit |
| CGN | Cruiser, Guided Missile, Nuclear |
| CGPC | Canadian General Pioneer Company |
| CGR | Canadian Garrison Regiment |
| CGR | Canadian Garrison Regiment - unit of 13 battalions formed in April 1918 to perform garrison duty in Canada's 13 military districts |
| CGR | Canadian Graves Registrar or Registration |
| CGRU | Canadian General Reinforcement Unit |
| CGRU | Canadian Graves Registration Unit |
| CGS | Central Gunnery School; or Central Gliding School; or Chief of the General Staff |
| CGS | Canadian Government Ship |
| CGS | Chief of the General Staff |
| CGS | Chief of the Imperial General Staff |
| CGS | Chief of the General Staff |
| CGSF | Commander Gulf Sea Frontier |
| CGTC | Canadian General Transport Company |
| CGTWRCEME | Canadian General Troop Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CH | Chain Home (Radar chain) |
| CH | 14th Canadian Hussars |
| CH | Chaplain |
| CH | Chatham Division, Royal Marines |
| CH | Companion Of Honour |
| CH | Construction Hand |
| CH | Convalescent Hospital |
| CH | Chaplain or Chain (Station) |
| CH of O | The Cameron Highlanders of Ottawa Regiment |
| CHAP | Cadet Harassment and Abuse Prevention |
| Chap | Chaplain |
| CHAP | Canadian Harassment and Abuse Prevention |
| Chap(F) | Chaplain of the Fleet |
| Chap(P) | Chaplain (Protestant) |
| Chap(RC) | Director of Chaplain Services (Roman Catholic) |
| CHB | Canadian Highland Battalion (Black Watch Royal Highland Regiment of Canada) |
| CHC-V (G) | Officers of the Volunteer Reserve appointed for general service in the Chaplain Corps. |
| CHC-V (P) | Seniors in theological seminaries commissioned as ensigns (probationary) pending graduation, ordination, and commissioning in the Chaplain Corps. |
| CHC-V (S) | Officers of the Volunteer Reserve appointed for special service in the Chaplain Corps. |
| CHD | Calgary Highlanders Depot |
| CHEL | Chain Home Extra Low (Radar) |
| CHEM | Chemical |
| CHEM | Chemical |
| CHENG | Chief Engineer |
| CHES R | The Cheshire Regiment |
| CHES. | Cheshire |
| CHES. YEO | Cheshire Yeomanry |
| CHESHIRE | Cheshire Regiment |
| Cheshire (Ches) | The Cheshire Regiment |
| ChesR | Cheshire Regiment |
| ChesYeo | Cheshire Yeomanry |
| CHET | Canadian Higher Education Test |
| CHH | Chain (Station) high angle |
| CHL | Chain Home Low (Radar chain) |
| CHL | Chain (Station) low angle |
| ChO | Chief Officer |
| CHofO(MG) | Cameron Highlanders of Ottawa (Machine Gun) |
| CHOP | Line near 47th Meridian dividing the British and Canadian areas of responsibility |
| CHP | Chaplain (Protestant) |
| CHQ&NDHQCRCAMC | Corps Headquarters & National Defence Headquarters Company, Royal Canadian Army Medical Corps |
| CHQAGRCE | Canadian Headquarters Army Group, Royal Canadian Artillery |
| CHQCDC | Corps Headquarters, Canadian Dental Corps OR Canadian Disciplinary Centre |
| CHQCPC(C) | Corps Headquarters Canadian Postal Corps (Canada) |
| CHQCWAC | Corps Headquarters Canadian Women's Army Corps |
| CHQEOFSCRCOC | Corps Headquarters Element of Salvage Control, Royal Canadian Ordnance Corps |
| CHQofBSA | Canadian Headquarters of Base Sub Area |
| CHQPMC | Camp Headquarters, Petawawa Military Camp |
| CHQRCECA | Corps Headquarters Royal Canadian Engineers, Canadian Army |
| CHQRCEME | Corps Headquarters Royal Canadian Electrical and Mechanical Engineers |
| CHQRCOC | Corps Headquarters, Royal Canadian Ordnance Corps |
| CHQSDRCOC | Canadian Headquarters Salvage Depot, Royal Canadian Ordnance Corps |
| CHRA | Canadian Human Rights Act |
| CHRC | Canadian Human Rights Commission |
| CHRC | Chaplain Roman Catholic |
| CHRPCC | Civilian Human Resource Planning and Coordination Committee |
| CHRSC | Civilian Human Resource Service Centers |
| CHRSRCEME | Canadian Heavy Recovery Section, Royal Canadian Electrical and Mechanical Engineers |
| CHRSRCOC | Canadian Heavy Recovery Section, Royal Canadian Ordnance Corps |
| CHS | Canadian Hospital Ship |
| CHSB | Chief Signal Botswain |
| CHSHPT | Chief Shipwright |
| ChSkr | Chief Skipper |
| CHT | Corps of Horse Transport |
| CHU | Canadian Holding Unit |
| CHWR | Chief Writer |
| CHYeoSIG | Chief Yeoman of Signals |
| CI | Chief Instructor |
| CI (A) | Chief Inspector of (Armaments) or (Accidents) |
| CI(I)HQS | Canadian Intelligence (Interrogation) Headquarters Section |
| CIA | Chief Inspector of Armaments |
| CIAL | Commercial Cable Company |
| CIB | Canadian Infantry Brigade |
| CIBC | Canadian Infantry Corps Band |
| CIBCRCASC | Canadian Infantry Brigade Company, Royal Canadian Army Service Corps |
| CIBG | Canadian Infantry Brigade Group |
| CIBGDP(LS) | Canadian Light Infantry Brigade Ground Defence Platoon (Lorne Scot) |
| CIBRB | Canadian Infantry Base Reinforcement Battalion |
| CIBSG(SLI) | Canadian Infantry Brigade Support Group (Saskatoon Light Infantry) |
| CIBUS | Communication Instructions for British Warships in the U.S.A. |
| CIBW/S | Canadian Infantry Brigade Workshop (Royal Canadian Ordnance Corps or Royal Canadian Electrical and Mechanical Engineers) |
| CIBW/SRCEME | Canadian Infantry Brigade Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CIBW/SRCOC | Canadian Infantry Brigade Workshop, Royal Canadian Ordnance Corps |
| CIC | Cadet Instructors Cadre, formerly the Cadet Instructors List or |
| CIC | Cadet Instructor Cadre |
| CIC | Canadian Infantry Corps |
| CIC | Canadian Intelligence Corps |
| CIC | Commander in Chief or Cookery Instruction Centre |
| CIC | Combined Intelligence Committee |
| CID | Committee of Imperial Defence |
| CID | Committee of Imperial Defence |
| CIDB | Canadian Infantry Depot Battalion |
| CIDBn | Canadian Infantry Depot Battalion |
| CIDCC(M)RCASC | Canadian Infantry Division Composite Company (Main), Royal Canadian Army Service Corps |
| CIDCMOS | Canadian Infantry Division Ordnance Field Park, Royal Canadian Ordnance Corps |
| CIDM/GBn(SLI) | Canadian Infantry Division Machine Gun Battalion (Saskatoon Light Infantry) |
| CIDOFPRCOC | Canadian Infantry Division Ordnance Field Park, Royal Canadian Ordnance Corps |
| CIDRTC | Canadian Infantry Division Reinforcement Transit Camp |
| CIDSI | Canadian Infantry Division Service Increment |
| CIDSPRCOC | Canadian Infantry Division Sub Park, Royal Canadian Ordnance Corps |
| CIDTCRCASC | Canadian Infantry Division Troops Company, Royal Canadian Army Service Corps |
| CIDTS | Canadian Infantry Division Training School |
| CIE | Companion Order of the Indian Empire |
| CIE | Chief Instructor of Equipment |
| CIESS | Chief Inspector of Engineer and Signal Stores |
| CIET | Canadian Intermediate Education Test |
| CIET | Canadian Intermediate Educational Test |
| CIF | "C" Infantry Battalion |
| CIG | Chief Instructor in Gunnery |
| CIG | Chief Instructor of Gunnery |
| CIGS | Chief of the Imperial General Staff at the War Office |
| CIGS | Chief of the Imperial General Staff |
| CIGS | Chief of the Imperial General Staff |
| CIHU | Canadian Infantry Holding Unit |
| CIL | Cadet Instructors List |
| CIMGCoy(NBR) | Canadian Independent Machine Gun Company (New Brunswick Regiment) |
| Cin CCNA | Commander in Chief, Canadian North West Atlantic |
| CINC | Commander in Chief |
| CInfC | Canadian Infantry Corps |
| CIntC | Canadian Intelligence Corps |
| CIofCM | Chief Inspector of Catering & Messing |
| CIOSPRCOC | Canadian Infantry Ordnance Sub-Park, Royal Canadian Ordnance Corps |
| CIPAS | Chief Inspector of Passive Air Defence |
| CIPCIC | Canadian Interpreters Pool, Canadian Infantry Corps |
| CIRD | Canadian Indestructible Roller Device (mine clearer) |
| CIRES | Chief Inspector of Royal Engineer Stores |
| CIRU | Canadian Infantry Reinforcement Unit |
| CIST | Chief Inspector of Supplementary Transport |
| CITB | Canadian Infantry Training Brigade |
| CITC | Canadian Infantry Training Centre |
| CITC | Canadian Infantry Centre |
| CITC | Canadian Infantry Training Centre |
| CitoanMTIBRCASC | Canadian Increment to a (Mobilization Training Centre / Mechanical Transport / Military Training OR Movement Train) Inspection Branch, Royal Canadian Army Service Corps |
| CITR | Canadian Infantry Training Regiment |
| CITW/SRCEME | Canadian Infantry Troops Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CITW/SRCOC | Canadian Infantry Troops Workshop, Royal Canadian Ordnance corps |
| CIU | Clinical Investigation Units |
| CIV | Civil or civilian |
| CIV | Civilian or Civil |
| Civ. | Civil |
| CIWB | Canadian Infantry Works Battalion |
| CIWC | Canadian Infantry Works Corps |
| CJATC | Canadian Joint Air Training Centre (Rivers, Manitoba) |
| CJLS | Corps Junior Leaders School |
| CJTF | Combined Joint Task Force |
| CJWSC | Canadian Junior War Staff Course |
| Ck | Cook Take charge of galley. |
| CK | Cook |
| CK | Cook (Ship's) |
| Ck(O) | Cook (Officers) |
| Ck(Prob) | Cook (Probationer) |
| Ck(S) | Cook (Seamen) |
| Ck1c | Cook, First Class |
| Ck2c | Cook, Second Class |
| Ck3c | Cook, Third Class |
| CKMTE | Cook's Mate |
| CKS&DU | Canadian Kit Storage & Disposal Unit |
| CKSD | Canadian Kit Storage Depot |
| CL | Centre line |
| CL | Casualty List |
| Cl | Clasp |
| CL | Canloan List |
| CL | Casualty List - list of soldiers wounded, killed, missing or taken prisoner by the enemy |
| CL | Colonel |
| CL | Compassionate Leave |
| CL | Convalescent Leave |
| CL | Casualty List or Centre Line |
| Cl R | Closr reconnaissance |
| Cl Sp Tp | Close Support Troop |
| CL YEO | City of London Yeomanry |
| CL-SE | Colour Sergeant |
| CLA-AB | Canadian Light Anti-Aircraft Battalion |
| CLACKS. | Clackmannanshire |
| CLAM | Combat Liberation Army of Meaford |
| CLB | Canadian Labour Battalion |
| CLC | Canadian Leave Centre |
| CLDAFHQ | Canadian Liaison Detachment, Allied Forces OR Air Force Headquarters |
| CLE | Central Landing Establishment |
| CLE | Clerk |
| CLES | Canadian Legion Educational Service |
| CLFCSC | Canadian Land Force Command and Staff College (located in Kingston, ON) |
| CLFCSC | Canadian Land Force Command and Staff College |
| CLFHSRCAMC | Canadian Light Field Hygiene Sections, Royal Canadian Army Medical Corps |
| CLH | Canadian Light Horse |
| CLH | Canadian Light Horse - cavalry unit, originally intended as a scouting force |
| CLK | Clerk |
| CLK | Clerk |
| ClkAcc | Clerk Accounting |
| ClkAdmSupr | Clerk Administrative Supervisor |
| ClkEng | Clerk Engineering |
| ClkGen | Clerk General |
| ClkStats | Clerk Statistics |
| ClkSteno | Clerk Stenographer |
| ClkTyp | Clerk Typist |
| Cloc | Chief Locator |
| ClofCPC(C) | Canadian Line of Communication Provost Company (Consolidated) |
| CLofCT | Canadian Line of Communication Terminal |
| CLP | Canadian Labour Pool |
| CLQ | Class Qualified |
| CLRSRCOC | Canadian Light Recovery Station, Royal Canadian Ordnance Corps |
| CLS | Chief of the Land Staff; or Central Landing School |
| CLS | Chief of the Land Staff |
| CLURCE | Canadian Landmark Unit, Royal Canadian Engineers |
| CLWS | Canadian Legion War Services |
| CLY | County of London Yeomanry |
| CM | Career Manager; or Court Martial |
| CM | Carpenter's Mate Use hand and power tools. Take charge of ship ventilation, painting, watertight control, drainage. Understand shoring and drydocking. |
| CM | Chief Metalsmith |
| CM | Canadian Centennial Medal (1967) |
| CM | Commissaryman |
| CM | Communicator |
| CM | Member of the Order of Canada |
| CM/L | Controlled Mine Laying |
| CM1c | Carpenter's Mate, First Class |
| CM2c | Carpenter's Mate, Second Class |
| CM3c | Carpenter's Mate, Third Class |
| CMA | Central Mediterranean Area |
| CMA | Corps of Military Accountants |
| CMACRCASC | Canadian Motor Ambulance Convoy, Royal Canadian Army Service Corps |
| CMASCL | Canadian Military Attache Staff Canadian Legation |
| CMB | Coastal Motorboat |
| CMBG | Canadian Mechanized Brigade Group |
| CMBURCAMC | Canadian Mobile Bath Units, Royal Canadian Army Medical Corps |
| CMC | Canadian Medical Centre |
| CMC | Canadian Military College |
| CMCLG | Canadian Movement Control Liaison Group |
| CMCR(PLNBH)AF | Canadian Motorcycle Regiment (Princess Louise's New Brunswick Hussars) Active Force |
| CMCU | Canadian Movement Control Unit |
| CMD | Command |
| CMD | Conventional Munitions Disposal |
| CMD | Command |
| CMDBSN | Commissioner Boatswain |
| CMDLondonMD1 | Central Mechanization Depot, Royal Canadian Ordnance Corps |
| Cmdr | Commander |
| Cmdr | Commander (Naval) |
| Cmdr. | Commander |
| CMDRE | Commodore |
| CMDRE | Commodore |
| CME | Canadian Military Engineer |
| CMEC | Canadian Mechanical Equipment Company |
| CMF | Central Mediterranean Force |
| CMF | Central Med Forces |
| CMF | Central Mediterranean Force |
| CMF | Central Mediterranean Force |
| CMG | Canadian Medical Group |
| CMG | Companion of the Order of St Michael and St George |
| CMG | Order of St. Michael and St. George (Companion) |
| CMG | Commander of the Order of St. Michael and St. George |
| CMGB | Canadian Mechanized Brigade Group |
| CMGBde | Canadian Machine Gun Brigade |
| CMGC | Canadian Machine Gun Corps |
| CMGC | Canadian Machine Gun Corps - soldiers with machine guns responsible for supporting or defending against infantry attack |
| CMGCMF | Canadian Meteorological Group - Central Mediterranean Force |
| CMGHU | Canadian Machine Gun Holding Unit |
| CMGO | Corps Machine Gun Officer |
| CMGRU | Canadian Machine Gun Reinforcement Unit |
| CMGTC | Canadian Machine Gun Training Centre |
| CMH | Calgary Military Hospital |
| CMH | Canadian Military Hospital |
| CMH | Centimeter Height Finding |
| CMHL | Canadian Mobile Hygiene Laboratory |
| CMHQ | Canadian Military Headquarters |
| CMHQC | Canadian Military Headquarters Course |
| CMHQROX-LPSOW | Canadian Military Headquarters Records Office X-List, PSOW |
| CMHRCAMC | Camp Military Hospital, Royal Canadian Army Medical Corps |
| CMHRCAMC | Camrose Military Hospital, Royal Canadian Army Medical Corps |
| CMHRCAMC | Charlottetown Military Hospital, Royal Canadian Army Medical Corps |
| CMHRCAMC | Chatham Military Hospital, Royal Canadian Army Medical Corps |
| CMHRCAMC | Chicoutimi Military Hospital, Royal Canadian Army Medical Corps |
| CMHRCAMC | Chilliwack Military Hospital, Royal Canadian Army Medical Hospital |
| CMHRCAMC | Cornwall Military Hospital, Royal Canadian Army Military Hospital |
| CMIS | Career Management Information System |
| CMJ | Chief Military Judge |
| CMM | Chief Machinist's Mate |
| CMM | Order of Merit (Commander) |
| CMMG | Canadian Motor Machine Gun Brigade |
| CMMGC | Canadian Motor Machine Gun Corps |
| CMMP | Corps of Military Mounted Police |
| CMMS | Canadian Motorcycle Maintenance School |
| CMN-SURCAMC | Canadian Mobil Neuro-Surgical Unit, Royal Canadian Army Medical Corps |
| CMO | Chief Medical Officer |
| CMO | Chief Medical Officer or Chief Maintenance Officer |
| CmoMM | Chief Motor Machinist's Mate |
| CMOS | Counter Mortar Officer Staff |
| CMP | Chief of Military Personnel; or Corps of Military Police |
| CMP | Corps of Military Police |
| CMP | Corps of Military Police |
| CMP&DB | Canadian Military Prison & Detention Barracks |
| CMPA | Canadian Military Police Association |
| CMPC | Canadian Military Police Corps |
| CMPLRCASC | Canadian Mobile Pet. Laboratories, Royal Canadian Army Service Corps |
| CMPS | Canadian Map Photographic Section |
| CMPS | Canadian Military Police Corps |
| CMR | Canadian Mounted Rifles |
| CMR | Coll?ge militaire royal de Saint-Jean |
| CMR | Canadian Mounted Rifles - mounted soldiers originally, later used largely as infantry |
| CMR | Cape Mounted Riflemen |
| CMR(GGHG)AF | Canadian Motorcycle Regiment (Governor General's Horse Guards) Active Force |
| CMRCASF(DYRCH) | Canadian Motorcycle Regiment, Canadian Active Service Force (17th Duke of York's Royal Canadian Hussars) |
| CMRPRCASC | Canadian Medium Regiment Platoon, Royal Canadian Army Service Corps |
| CMRS | Canadian Medical Rest Station |
| CMRSRCAMC | Canadian Medical Rest Station, Royal Canadian Army Medical Corps |
| CMS | Chief of Maritime Staff |
| CMS | Canadian Military Staff |
| CMS | Canadian Mission Staff |
| CMSA | Co-operations with the British Ministry of War Transport in the United States |
| CMSC | Cape Medical Staff Corps |
| CMSC | Co-operations with the British Ministry of War Transport in Canada |
| CMSC | Corps of Military Clerks |
| CMSC | Corps of Military Staff Clerks |
| CMSCCO | Corps of Military Staff, Clerks Corps Orders |
| CMSPEC | Canadian Military Section Port Executive Committee |
| CMSTMUSA | Camp Myles Standish, Tauton Massachusetts, U.S.A. |
| CMT | Corps of Motor Transport, Army Service Corps |
| CMTC | Canadian Manoeuvre Training Centre |
| CMTCCM | Canadian Militia Training Course, Camp Macauley |
| CMTech | Construction and Maintenance Technician |
| CMTRCA | Canadian Modelling Team, Royal Canadian Artillery |
| CMTRURCEME | Canadian Mobile Tire Repair Unit, Royal Canadian Electrical and Mechanical Engineers |
| CMTS | Central Mechanical Transport Stores |
| CMU | Civilian Maintenance Unit |
| CMU | Construction and Maintenance Units |
| CMU | Civilian Maintenance Unit |
| CN&CS | Central Navigation & Control School |
| CNCoy | Cannon Company |
| Cnd | Canadian |
| Cnd. | Canadian |
| CndDetnBks | Canadian Detention Barracks |
| CNDHQ | Commandant National Defence Headquarters |
| CNE | Canadian National Exhibition |
| CNEC | Chief Naval Engineering and Construction |
| CNES | Chief Naval Equipment and Supply |
| CNF | Commonwealth Naval Forces |
| CNK | Change Next of Kin |
| CNMO | Canadian Naval Mission Overseas |
| CNO | Canadian Naval Order |
| CNP | Chief of Naval Personnel |
| CNPWRCAMC | Canadian Neuro Psychiatric Wing, Royal Canadian Army Medical Corps |
| CNR | Canadian National Railways |
| CNR | Canadian Naval Regulations |
| CNS | Central Navigation School |
| CNS | Chief of the Naval Staff |
| CNSRHRCAMC | Canadian Nursing Sister's Rest Home, Royal Canadian Army Medical Corps |
| CNVT&TU | Canadian Night Vision Training & Testing Unit |
| CNVTS | Central Night Vision Training School |
| CNW-44 | Canadian Naval War Plan |
| CO | Commanding Officer (can also be OC); or Chain Overseas (Overseas version of CH) |
| CO | Company |
| CO | Commanding Officer - any officer in command of a specific unit (usually battalion level and up) |
| CO | Constable |
| CO | Cook (Officer's) |
| CO | Corps Orders |
| CO | Commanding Officer or Conscientious Objector |
| CO(A) | Camp Orders (Angler) |
| CO/SPD | Canadian Overseas Postal Depot |
| CO&MERU | Canadian Ordnance & Mechanical Engineer Reinforcement Unit |
| COA | Course of Action |
| COA | Chief Ordnance Accountant |
| COA | Corps of Ordnance Artificers |
| COA | Course of Action |
| COAC | Commanding Officer Atlantic Coast |
| COAV | Commanding Officer Auxiliary Vessels |
| COBD | Canadian Ordnance Beach Detachment |
| COBD | Canadian Ordnance Branch Detachment |
| COC | Canadian Ordnance Corps |
| COC | Combined Operations Centre |
| COC(AC) | Combined Operations School (Army Camp) |
| COC&BTC | Combined Operations Centre & Basic Training Centre |
| COCDC | Corps Orders, Canadian Dental Corps |
| COCPC | Corps Orders Canadian Postal Corps |
| COCTC | Canadian Ordnance Corps Training Centre |
| COCTUSC | Canadian Officer Cadet Training Unit Selection Centre |
| COCWAC | Corps Orders, Canadian Women's Army Corps |
| COD | Command Ordinance Depot |
| COD | Coast Observer Detachment |
| COD | Central Ordnance Depot |
| COD | Command Ordnance Depot or Central Ordanance Depot |
| CODCRCOC | Central Ordnance Depot Company, Royal Canadian Ordnance Corps |
| CODE | Description |
| CODRCOC | Camp Ordnance Depot, Royal Canadian Ordnance Corps |
| COEMETC | Canadian Ordnance Electrical Mechanical Engineer Training Course |
| COF | Canadian Army Occupation Force |
| COF | Canadian Occupational Force |
| CofAS | Corps of Army Schoolmasters |
| CofC | Queen's Own Cameron Highlanders of Canada |
| CofF | Chaplain of the Fleet |
| CofHRS | Corps of Hussars |
| CofI | Court of Inquiry - group of officers convened to investigate specific questions or events |
| CofLondYeo | County of London Yeomanry |
| CofLRS | Corps of Lancers |
| COFPRCOC | Canadian Ordnance Field Park, Royal Canadian Ordnance Corps |
| CofS | Chief of Staff |
| CofS | Cross of Sacrifice (Memorial Cross) |
| CofW | Cable or Wireless |
| COHQ | Combined Operations Headquarters |
| COI | Conflict of Interest |
| COI | Court of Inquiry |
| COIN | Counter-Insurgency Operations |
| COL | Colonel |
| COL | Chain Overseas Low (radar AMES Type 5) |
| Col | Colonel |
| Col | Colonel or Column |
| Col. | Colonel |
| COLDM GDS | Coldstream Guards |
| COLDM GDS | Coldstream Guards |
| Coldm Gds (CG) | The Coldstream Guards (The Coldstream Regiment of Foot Guards) |
| COLN | Column |
| COLN | Colonel or Column |
| Coln. | Column |
| COLO | Combined Operations Liaison Office |
| Com | Command - unit under the command of one officer or non-commissioned officer |
| COM | Commissioner |
| Com'd | Command - unit under the command of one officer or non-commissioned officer |
| Com10thFleetCandR | Commander 10th Fleet Convoy and Routeing (US) |
| ComBtswn | Commissioned Boatswain |
| COMC&S | Canadian Ordnance Maintenance Company & Sections |
| COMD | Command, commanded, commandant or commander |
| Comd | Command - unit under the command of one officer or non-commissioned officer |
| Comd | Commandant |
| Comd | Commander |
| Comd | Commanding |
| COMD | Command or Commander or Commanding |
| Comd. | Command |
| ComdEngr | Command Engineer |
| COMDG | Commanding |
| COMDGEN | Commanding General (U.S.) |
| COMDR | Commander |
| Comdt | Commandant |
| COMDT | Commandant |
| COME | Chief Ordnance Mechanical Engineer |
| COME | Chief Ordnance Mechanical Engineer |
| COMERU | Canadian Ordnance and Mechanical Engineer Reinforcement Unit |
| COMINCH | Commander in Chief, US Fleet |
| CominchCandR | Commander in Chief, US Fleet, Convoy and Routeing |
| COMINT | Communications Intelligence |
| Comm | Commission |
| Comm | Commodore |
| COMM(S) | Communication(s) |
| Commande (D) | Commander (Destroyers) |
| COMMO | Communications |
| Commodore(D)WA | Commodore (Destroyers), Western Approaches |
| CommofCustoms | Commissioner of Customs |
| COMMS Z | Z Communications Zone |
| COMN | Communication |
| Comn | Communication |
| ComOp | Communications Operator |
| ComOpSupr | Communications Operator Supervisor |
| COMP | Composite |
| COMP | Component or Composite |
| ComPC(A) | Communications Performance Checker (Air) |
| ComPC(G) | Communications Performance Checker (Ground) |
| COMPO | Composite Ration (also called comp rat) |
| COMSEN | Communications Centre |
| ComTech | Communications Technician |
| ComTech(A) | Communications Technician (Air) |
| ComTech(G) | Communications Technician (Ground) |
| CON | Control or Convoy or Concrete |
| CON R | Contact reconnaissance |
| CONC | Concentrate, concentrated or concentration |
| Conc | Concentrate |
| Conc | Concentration |
| CONC | Concentrated or Concentration |
| Cond | Conductor |
| COND | Commanding Officer Naval Divisions |
| Condr | Conductor |
| CONDR | Conductor |
| Connav (No) | Navy Authority, Washington |
| ConnRang | Connaught Rangers |
| Const | Constable |
| Constl | Constructional |
| CONSTR | Construct, constructed or construction |
| constr | Construction |
| CONSTR | Construct or Costruction |
| Constr. | Construction |
| ConstrC | Constructor Captain |
| CONTR | Controller |
| CONTR | Controller |
| CONV | Conversion |
| Conv | Convalescent - a soldier recovering from wounds or illness |
| ConvoyCYeoSigs | Convoy Chief Yeoman of Signals |
| ConvoyLSig | Convoy Leading Signalman |
| ConvoyOSig | Convoy Ordinary Signalman |
| ConvoySig | Convoy Signalman |
| ConvoyYeoSigs | Convoy Yeoman of Signals |
| COO | Chief ordnance officer |
| COO | Chief Ordnance Officer |
| COOD | Co-ordinate or Co-ordinating |
| Cook(O) | Cook (Officer's) |
| Cook(S) | Cook (Ship's) |
| COORD | Co-ordinate, co-ordinated, co-ordinating or co-ordination |
| Coord | Co-ordinating or co-ordinate |
| COOS(M)RCOC | Canadian Ordnance Officer's Shop (Mobile), Royal Canadian Ordnance Corps |
| COP | Commander of Port |
| COPC | Commanding Officer Pacific Coast |
| COPD | Canadian Overseas Postal Depot |
| COpSO | Chief Operational Services Officer |
| Cor | Corvettes |
| COR | Confirmation of Rank |
| CORC | Canadian Ordnance Railhead Company |
| CORCAMC | Corps Orders, Royal Canadian Army Medical Corps |
| CORCC | Canadian Overseas Railway Construction Corps |
| CORCRCOC | Canadian Ordnance Railhead Company, Royal Canadian Ordnance Company |
| CORCT | Canadian Overseas Railway Construction Troops |
| CORD | Central Ontario Regimental Depot |
| CORD | Central Ontario Regimental Depot - facility in England used to assemble men and to store and administer equipment and materials |
| CORD | Commanding Officer Reserve Divisions |
| CORNWL. | Cornwall |
| Corp | Corporal |
| Corpl | Corporal |
| CORU | Canadian Ordnance Reinforcement Unit |
| COS | Chief of Staff; or Company Orderly Sergeant; or Change of Strength |
| Cos | Companies |
| CoS | Chief(s) of Staff |
| COS | Change of Strength |
| COS | Coming Off Strength |
| COS | Company Orderly Sergeant |
| COS | Chief of Staff or Controller of Ordnance Service |
| COS | Colonel of Staff |
| COS&CB | Canadian Officers Survey & Classification Board |
| COSAI | Canadian Ordnance Stores Accounting Inspectorate |
| Cositrep. | Combined Situation Report |
| COSSAC | Chief of Staff to Supreme Allied Commander |
| COSSAC | Chief of Staff to the Supreme Allied Commander (Designate) |
| COSSAC. | Chief of Staff to the Supreme Allied Commander (designate) |
| COTC | Canadian 0fficers Training Corps |
| COTC | Canadian Officer Training Centre |
| COTC | Canadian Officer Training Corps |
| COTC | Canadian Overseas Telecommunication Corporation |
| COTU | Coastal Operational Training Unit |
| COU | Called Out Under |
| COVGofC | Corps Orders Veterans Guard of Canada |
| COX | Coxswain Work with canvas and handle boats. Know signaling. |
| Cox | Coxswain |
| Cox'n | Coxswain |
| COY | Company |
| Coy | Company - unit of approximately 200 men, divided into 4 platoons |
| COY | Company |
| Coy. | Company |
| CP | Command Post; or Close Protection |
| CP | Chief Photographer |
| CP | Chaplains Pool |
| CP | Command Post |
| CP | Casualty Collecting Point |
| CP | Command Post |
| CPACRCAMC | Canadian Prophylactic Ablution Centre, Royal Canadian Army Medical Corps |
| CPB | Canadian Parachute Battalion |
| CPB | Canadian Pioneer Battalion |
| CPBRCE | Canadian Pioneer Battalion, Royal Canadian Engineers |
| CPC | Canadian Postal Corps |
| CPC | Canadian Pension Commission (Department of Veterans Affairs) |
| CPC | Canadian Postal Corps |
| CPC | Canadian Provost Corps |
| CPC | Corps Protection Company |
| CPCCMF(ADHOC) | Canadian Pioneer Company, Central Mediterranean Force |
| CPCD | Canadian Provost Corps Depot |
| CPCO/S(PU) | Canadian Postal Corps Overseas, (Postal Units) |
| CPCURCASC | Canadian Port Clearance Unit, Royal Canadian Army Service Corps |
| CPDPRCE | Canadian Pile Driving Platoon, Royal Canadian Engineers |
| CPDRCAPC | Command Pay Detachment, Royal Canadian Army Pay Corps |
| CPE | Central Photographic Establishment |
| CPF | Canadian Patrol Frigate. (Halifax Class); or Coastal Patrol Flight |
| CPF | Canadian Patriotic Front |
| CPhM | Chief Pharmacist's Mate |
| CPhoM | Chief Photographer's Mate |
| CPI | Corps of Permanent Instructors |
| CPinME | Canadian Personnel in Middle East |
| CPL | Corporal |
| CPL | Corporal |
| CPLAM | Corporal Ambulance |
| CPMH | Camp Petawawa Military Hospital |
| CPMHRCAMC | Chorley Park Military Hospital, Royal Canadian Army Medical Corps |
| CPMMLRCOC | Canadian Pilot Model Mobile Laundry, Royal Canadian Ordnance Corps |
| CPO | Chief Petty Officer (Navy Rank); or Command Pay Office |
| CPO | Chief Petty Officer |
| CPO | Civilian Personnel Officer |
| CPO | Chief Petty Officer or Command Post Officer |
| CPO1 | Chief Petty Officer 1st Class |
| CPO2 | Chief Petty Officer 2nd Class |
| CPPR | Civilian Performance Planning and Review |
| CPR | Chief Parachute Riggger |
| CPR | Canadian Pacific Railway |
| CPRD | Canadian Public Relations Detachment |
| CProC | Canadian Provost Corps |
| CPRS | Canadian Public Relations Services |
| Cprtr | Chief Printer |
| CPRU | Canadian Public Relations Unit |
| CPS | Canadian Planning Staff |
| CPS | Canadian Publishing Section |
| Cpt | Captain |
| CPTC | Canadian Parachute Training Centre |
| CPTCAC | Canadian Pioneer Troop, Canadian Armoured Corps |
| CPTHO | Captain of Hospital Orderlies |
| CPTRE | Captain Royal Engineers |
| CPTU | Canadian Parachute Training Unit |
| CPTUCPC | Canadian Postal Tracing Unit, Canadian Postal Corps |
| CPW/S(ADHOC)RCEME | Canadian Port Workshop (Ad Hoc), Royal Canadian Electrical and Mechanical Engineers |
| CPW/S(ADHOC)RCOC | Canadian Port Workshop (Ad Hoc), Royal Canadian Ordnance Corps |
| CPWEU | Canadian Petroleum Warfare Experimental Unit |
| CQM | Chief Quartermaster |
| CQMS | Company Quartermaster Sergeant |
| CQMS | Company Quartermaster-Sergeant |
| CQMS | Company Quarter Master Sergeant |
| CQSC | Camp Quaretering Staff Captain |
| Cr | Commander |
| CR | R?giment de la Chaudi?re (French only) |
| CR | Central Registry |
| CR | Confirmation of Rank |
| CR | Control Rate |
| CR | Control Rating |
| CR | Control Ratings |
| CR | Coast Regiment |
| CR(C)E | Commander, Royal (Canadian) Engineers |
| CR(T) | Calgary Unit (Tank) |
| CR/AC | Canadian Re-allocation Centre |
| CRA | Commander Royal Artillery |
| CRA | Commander Royal Artillery (Divisional or corps HQ: brigadier) |
| CRA | Commander, Royal Artillery |
| CRA | Commanding Royal Artillery |
| CRA | Compulsory Retirement Age |
| CRA | Commander Royal Artillery |
| CRAC | Commander Royal Armoured Corps |
| CRAMC | Commander, RAMC |
| CRAOC | Commander, RAOC |
| CRASC | Commander, RASC |
| CRASC | Commander, Royal Army Service Corps |
| CRASC | Commander Royal Army Service Corps |
| CRB | Career Review Board |
| CRB | Canadian Rifle Battalion |
| CRB | Career Review Board |
| CRB(M) | Career Review Board (Medical) |
| CRBRCA | Canadian Rocket Battery, Royal Canadian Artillery |
| CRBW/SRCEME | Canadian Radar Battery Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CRC | Control and reporting center |
| CRC | Canadian Reception Camp |
| CRC | Casualty Retraining Centre |
| CRC | Chief Registration Clerk |
| CRC | Corps Reception Camp |
| CRCAMC | Company Royal Canadian Army Medical Corps |
| CRCASCATBC | Company Royal Canadian Army Service Army Tank Brigade Company |
| CRCASCATBC | Company Royal Canadian Army Service Corps |
| CRCC | Canadian Railway Construction Corps |
| CRCC | Canadian Road Construction Company |
| CRCE | Company Royal Canadian Engineers |
| CRCE(PB) | Commander Royal Canadian Engineers (Permanent Bridges) |
| CRCE(W) | Commander Royal Canadian Engineers (Works) |
| CRCEME | Company Royal Canadian Electrical and Mechanical Engineers |
| CRCL | Canadian Red Cross List |
| CRCORU | Canadian Royal Canadian Ordnance Corps Reinforcement Unit |
| CRCR | Canadian Reserve Cavalry Regiment |
| CRCR | Canadian Reserve Calvary Regiment - cavalry reserve unit based in England |
| CRCRCAMC | Casualty Retraining Centre, Royal Canadian Army Medical Corps |
| CRCRCEME | Canadian Recovery Company, Royal Canadian Electrical and Mechanical Engineers |
| CRCRCOC | Canadian Recovery Company, Royal Canadian Ordnance Corps |
| CRD | Controller of Research & Development |
| CRD | Canadian Reception Depot |
| CRD | Canadian Remount Depot |
| CRD(LS) | Canadian Repatriation Depot (LS) |
| CRDF | Cathode Ray Direction Finding |
| CRDFT(S)C | Canadian Radio Detection Finder Training (School) Centre |
| CRDFTC | Canadian Radio Direction Finder Training Centre |
| CRE | Commander Royal Engineers |
| CRE | Central Reconnaissance Establishment |
| CRE | Commander Royal Engineers |
| CRE | Commander Royal Engineers |
| CRecs | Controller of Records (Air) |
| CREME | Commander Royal Electrical and Mechanical Engineers |
| CRF | Controller of Research & Development |
| CRFTTC | Canadian Reinforcement Transit Camp |
| CRGTPRCASC | Canadian Reinforcement Group Transit Platoon, Royal Canadian Army Service Corps |
| CRGWP | Canadian Reinforcement Group Workshop Platoon |
| CRI | Chinese Regiment of Infantry |
| CRIS | Cranio-Rectal Insertion Syndrome |
| CRLE | Canadian Radio Location Establishment |
| CRM | Chief Radioman |
| Crmn | Crewman |
| CRN | Change Regimental Number |
| CRO | Central Records Office; or Civilian Repair Organization |
| CRO | Canadian Records Office |
| CRO | Chief Recruiting Officer |
| CRO | Corps Reserve of Officers |
| CRO | Officer in Charge Central Registry |
| CRO | Corps Routine Order |
| CROCRCE | Canadian Railway Operation Company, Royal Canadian Engineers |
| CRP | Civilian Repair Party |
| CRPG | Canadian Ranger Patrol Group |
| Crpl | Corporal |
| CRR(PLDG) | Canadian Reconnaissance Regiment (Princess Louise Dragoon Guards) |
| CRRCA | Coast regiment, Royal Canadian Artillery |
| CRS | Chief Review Services; or Control and Reporting School |
| CRS | Canadian Recce Squadron |
| CRS | Captured Records Section (US Dept of the Army) |
| CRS | Central Recruiting Troop |
| CRS | Corps Rest Station |
| CRS-CIB | Canadian Recce Squadron-Canadian Infantry Brigade |
| CrStGeo | Cross of Saint George (Russia) |
| CRT | Canadian Railway Troops |
| CRT | Chief Radio Technician |
| CRT | Canadian Railway Troops - men recruited and organized to operate railways in rear areas |
| CRT | Continuous Reserve Training |
| CRT | Cathode Ray Tube |
| CRTC | Canadian Radar Training Centre |
| CRTC(A) | Canadian Reconnaissance Training Centre (Active) |
| CRTC(R) | Canadian Reconnaissance Training Centre (Reserve) |
| CRU | Civilian Repair Unit |
| CRU | Canadian Reinforcement Unit |
| CRU | Civil Resettlement Unit |
| CRUPU | Canadian Reinforcement Units Postal Units |
| CRURCA | Canadian Rocket Unit, Royal Canadian Artillery |
| Crypto | Cryptographer |
| CS | Close support |
| CS | Commissary Steward |
| CS | Cease |
| CS | Christian Science (Church) |
| CS | Commandant Staff |
| CS | Communicator (Ship's) |
| CS | Communicator (Supplementary) |
| CS | Cypher Section |
| CS(A) | Controller of Supply (Air) |
| CS(No) | Admiralty File Number |
| CS&AC | Canadian Selection & Appraisal Centre |
| CS&TO | Camp Supply & Transport Officer |
| CSA | Canadian Small Arms |
| CSA | Consular Shipping Adviser |
| CSAA | Controller of Small Arms Ammunition |
| CSAFVIRCEME | Canadian Section Armoured Fighting Vehicles Inspectorate, Royal Canadian Electrical and Mechanical Engineers |
| CSAFVTS | Canadian Section Armoured Fighting Vehicles Technical Staff |
| CSAI | Canadian School of Army Instruction |
| CSAS(E) | Canadian Small Arms School (Eastern) |
| CSAS(WC) | Canadian Small Arms School (Western Canada) |
| CSATC | Canadian Small Arms Training Centre |
| CSB | Canadian Shipping Board |
| CSBASRAC | Canadian Special BASRA Company |
| CSBD | Canadian Special Base Depot |
| CSC | Cadet Services of Canada |
| CSC | Canadian Service College |
| CSC | Chiefs of Staff Committee |
| CSC | Commissariat Staff Corps |
| CSC | Corporal Signal Corps |
| CSCC | Canadian Section Claims Commission |
| CScotR | Canadian Scottish Regiment |
| CSCRCOC | Canadian Salvage Corps, Royal Canadian Ordnance Corps |
| CSD | Code of Service Discipline |
| CSDE | Central Servicing Development Establishment |
| CSDS | Canadian Special Driving School |
| CSDU | Central Salvage Depot Unit |
| CSE | Course |
| CSE | Central Signals Establishment |
| CSE | Colour Sergeant |
| CSE | Course |
| CSEAFHQ | Canadian Section Echelon Allied Forces, Headquarters |
| CSEC | Canadian Special Employment Company |
| CSEE | Canadian Signals Experimental Establishment |
| CSEF | Canadian Siberian Expeditionary Force |
| CSF | Central Signals Establishment; or Communications and Support Flight |
| CSF | Chief Shipfitter |
| CSG | Clerk Stenographer Group |
| CSGHQ2ndEch | Canadian Section General Headquarters, 2nd Echelon |
| CSGHQE | Canadian Section General Headquarters Echelon |
| CSgt | Colour Sergeant |
| CSHQBGNR | Canadian Section Headquarters, Brussels, GRN |
| CSHQCC | Cypher Section Headquarters Canadian Corps |
| CSI | Companion of the Star of India |
| CSI | Companion of the Most Exalted Star of India |
| CSIB | Canadian Special Infantry Battalion |
| CSIC | Canadian Special Infantry Company |
| CSICoy | Canadian Special Infantry Company |
| CSIS | Canadian Security and Intelligence Service |
| CSK | Chief Storekeeper |
| CSKSU | Canadian Surplus Kit Storage Unit |
| CSM | Company Sergeant Major |
| CSM | Chief Signalman |
| CSM | Company Sergeant-Major - senior non-commissioned officer in a company |
| CSM | Company Sergeant Major |
| CSME | Canadian School of Military Engineering |
| CSMH | Christie Street Military Hospital |
| CSO | Chief Signals Officer |
| CSO | Chief Staff Officer |
| CSO | Chief Signals Officer |
| CSO | Chief Signal Officer |
| CSO | Chief Signal Officer |
| CSofA | Canadian School of Artillery |
| CSofAA | Canadian School of Army Administration |
| CSofI | Canadian School of Infantry |
| CSOI | Commandant School of Instruction |
| CSOR | Canadian Special Operations Regiment |
| CSOR | Chief Staff Officer Reserves |
| CSp(*) | Chief Specialist |
| CSPDE | Combined services Project Development Unit |
| CSR | Combat Stress Reaction |
| Csr | Cruiser |
| CSR(MG) | Canadian Scottish Regiment (Machine Gun) |
| CSR&DE | Canadian Signals Research & Development Establishment |
| CSRCCS | Construction Section, Royal Canadian Corps of Signals |
| CSRD | Chief Superintendant Research Department |
| CSRU | Canadian Signals Reinforcement Unit |
| CSS | Combined Signals School |
| CSS | Communications and Support Squadron; or Combat Service Support |
| CSSB | Canadian Special Service Battalion |
| CSSCRCOC | Canadian Special Stores Company, Royal Canadian Ordnance Corps |
| CSSD | Canadian Special Salvage Detachment |
| CSt | Chief Steward |
| CST | Coast |
| CST BTY | Coast Battery |
| CSTC | Canadian Signal Training Centre |
| CSTech | Communications Systems Technician |
| CSTTB | Canadian Standing Trades Test Board |
| CSTV | Coil Skids Towing Vessel |
| CSU | Communications and Support Unit |
| CSU | Central Statistical Unit |
| CSupt | Commodore Superintendant |
| CSURCEME | Canadian Servicing Unit, Royal Canadian Electrical and Mechanical Engineers |
| CSURCOC | Canadian Salvage Units, Royal Canadian Ordnance Corps |
| CSV | Camp Staff Volunteer |
| CSWSTRCCS | Canadian Shock Wave Section Type, Royal Canadian Signals Corps |
| CSWTS | Canadian Section Weapons Technical Staff |
| CT | Component Transfer |
| CT | Chief Telegrapher |
| CT | Communication Trench |
| CT | Component Transfer |
| CT | Communication Trench or Chief Technician or Clothing and Textiles |
| CT(CFC)TC | Camp Tremblay (Canadian Forestry Corps) Training Centre |
| CTA | Canadian Troop Aldershot |
| CTACRCASC | Corps Troop Ammunition Company, Royal Canadian Army Service Corps |
| CTAT | Controlled Technology Access Transfer |
| CTBA | Ceased to be Attached |
| CTBE | Ceased to be Entitled |
| CTC | Combined Training Centre |
| CTC | Canadian Training Centre |
| CTC | Chief Turret Captain |
| CTC | Canadian Tank Corps |
| CTC | Canadian Transit Camp |
| CTC | Canadian Troops Colchester |
| CTC | Combined Training Centre or Cavalry Tank Corps |
| CTC(TB)CPC | Canadian Tobacco Depot (Type B), CPC (see above for various meanings of CPC) |
| CTCRCE | Canadian Tunnelling Company, Royal Canadian Engineers |
| CTCSPCProC | Canadian Traffic Control Section Provost, Canadian Provost Corps |
| CTCURCACMF | Canadian Traffic Control Unit, Royal Canadian Artillery, Central Mediterranean Force |
| CTCW | Canadian Transit Camp Wing |
| CTD | Canadian Training Division |
| CTDCPC | Canadian Tobacco Depot, CPC (see above for various meanings of CPC) |
| CTDS(ER) | Canadian Tank Delivery Squadron (Elgin Regiment) |
| CTDSSD | Canadian Tank Delivery Squadron Signals Detachment |
| CTDUCAC | Canadian Tank Demonstration Unit, Canadian Armoured Corps |
| CTF | Combined Task Force (refers to a multi-national TF) |
| CTF | Commander Task Force |
| CTFARCAMC | Canadian Training Field Ambulance, Royal Canadian Army Medical Corps |
| CTH | The Cape Town Highlanders (The Duke of Connaught and Strathearn's Own) |
| CTH | Canadian Troops Hereford |
| CTLC | Canadian Technical Liaison Group |
| CTM | Chief Torpedoman's Mate |
| CTMU | Canadian Town Major Unit |
| CtnAsst | Canteen Assistant |
| CtnMngr | Canteen Manager |
| CTO | Compensated Time Off |
| CTO | Central Telegraph Office |
| CTO | Chief Treasury Officer |
| CTO(N) | Chief Treasury Officer (Navy) |
| CTOO/S | Canadian Treasury Office Overseas |
| CTP | Commonwealth Training Plan (aka BCATP); or Course Training Plan |
| CTP | Canadian Transport Platoon |
| CTP | Course Training Plan |
| CTPCRCASC | Corps Troops Petrol Company, Royal Canadian Army Service Corps |
| CTPRCASC | Canadian Tipper Platoon, Royal Canadian Army Service Corps |
| CTPRCASC | Canadian Transport Platoon, Royal Canadian Army Service Corps |
| CTps | Corps Troops |
| CTR | Coast Training Regimnt |
| CTRCA | Calibration Troop, Royal Canadian Artillery |
| CtRep | Court Reporter |
| CTS | Combat Training School; or Clothe The Soldier |
| CTS | Canadian Training School |
| CTS | Clothe the Soldier |
| CTS | Composite Training School |
| CTS | Conversion Training Squadron |
| CTSC | Corps Troops Supply Column |
| CTSCRCASC | Corps Troop Supply Column, Royal Canadian Army Service Corps |
| CTTB | Central Trade Test Board |
| CTTC | Canadian Tank Transport Company |
| cttee | Committee |
| CTTS | Communications & Target-towing Squadron; or Civilian Technical Training School |
| CTTW/SRCEME | Canadian Tank Troops Workshop, Royal Canadian Electrical and Mechanical Engineers |
| CTTW/SRCOC | Canadian Tank Troops Workshop, Royal Canadian Ordnance Corps |
| CTU | Combat Training Unit; or Crew Training Unit |
| CTU | Commander Task Unit (U.S.) |
| CTW | Combat Training Wing |
| CU | Conversion Unit; or Camouflage Unit; or Communications Unit |
| CU | Converted |
| CU | Camp Utopia |
| CU | Caribbean-United Kingdom Convoy |
| CU | Conducting Unit |
| CU | Conversion Unit |
| CU | Camouflage Unit or Communications Unit |
| CUMB. | Cumberland |
| CUMBRIA | Cumbria |
| CUNEF | Canadian Component United Nations Emergency Force (Middle East) |
| CUS | Course (U.S.) |
| CUT | Cutter (U.S.) |
| CV | Common Valve; or Combat Vehicles |
| CV | Aircraft Carrier (U.S.) |
| CV | Communicator (V) |
| CV | Cross of Valour |
| CV | Command Vehicle or Closed Vessel |
| CVA&CG | Canadian Vehicle Assembly & Control Group |
| CVD | Central Vehicle Depot |
| CVD | Commercial Vessel Defensive |
| CVDtURCAMC | Canadian Venereal Disease Treatment Unit, Royal Canadian Army Medical Corps |
| CVE | Auxiliary Aircraft Carrier (U.S.) |
| CVE | Carrier Vessel Escort |
| CVHGCASF | Company Veterans Home Guard, Canadian Active Service Force |
| CVIRCEME | Canadian Vehicle Inspectorate, Royal Canadian Electrical and Mechanical Engineers |
| CVN | Aircraft Carrier, Nuclear |
| CVO | Commander of the Royal Victorian Order |
| CVO | Royal Victorian Order (Commander) |
| CVO | Commander of the Royal Victorian Order |
| CVP | Convoy Programme |
| CVR (T) OR (W) | (T) or (W) Combat Vehicle Reconnaissance (Tracked) or (Wheeled) |
| CVSM | Canadian Volunteer Service Medal |
| CVWS | Canadian Vehicle Waterproofing School |
| CW | Communication Wing; or Chemical Warfare |
| CW | Chemical Warfare |
| CW | Commissioned Warrant |
| CW | Communicator (W) |
| CW | Chemical Warfare or Continuous Wave |
| CW COY | Chemical Warfare Company |
| CW(No) | Admiralty Record Office File |
| CW/S&PC | Canadian Workshop and Park Company |
| CWAAF | Canadian Women's Auxiliary Air Force |
| CWAC | Canadian Women's Army Corps |
| CWAC ACCOMM | ACCOMM Canadian Women's Army Corps Accommodations |
| CWACBTC | Canadian Women's Army Corps, Basic Training Centre |
| CWACCS | Canadian Women's Army Corps, Composite Stores |
| CWACDO | Canadian Women's Army Corps, District Orders |
| CWACMB | Canadian Women's Army Corps, Military Band |
| CWACO | Canadian Women's Army Corps, Ottawa |
| CWACPB | Canadian Women's Army Corps, Pipe Band |
| CWACTC | Canadian Women's Army Corps, Training Centre |
| CWB | Canadian Wives Bureau |
| CWC | Chemical Warfare Course |
| CWDL | Chemical Warfare Defence Laboratory |
| CWGC | Commonwealth War Graves Commission |
| CWGC | Commonwealth War Graves Commission |
| CWL | Chemical Warfare Laboratories |
| CWM | Canadian War Museum |
| CWNS | Canadian War Narrative Section |
| CWO | Chief Warrant Officer |
| CWO | Chief Warrant Officer |
| CWP | Contractor's Working Party |
| CWP | Coast Watching Post (or Patrol) |
| CWRO | Canadian War Records Office |
| CWS | Central Wireless Station |
| CWS(IC) | Canadian Wireless Section (Intelligence Corps) |
| CWSF | Commander Western Sea Frontier |
| CWSRCE | Canadian Works Section, Royal Canadian Engineers |
| CWT | Hundredweight(s) |
| CWT | Chief Watertender |
| CWT | Chief Water Tender |
| CWT | Hundredweight |
| CWTC | Chemical Warfare Training Centre |
| CWTD | Cold Weather Test Trail Detachment |
| CWTV | Calibration Wireless Telegraph Vessel |
| CXO | Chief Examination Officer |
| CY | The Cheshire Yeomanry (Earl of Chester's) Regiment |
| CY | Chief Yeoman |
| Cy | Company |
| CY | Cheshire Yeomanry |
| Cyc | Cyclist |
| CYC | Cyclist |
| CYS | Chief Yeoman of Signals |
| CZ | Canal Zone (Panama) (U.S.) |
| CZ | Clyde Division - Royal Naval Volunteer Reserve |
| CZP | Correct Zeroing Point |
| CZT | Civil Zone Time |
| CZTU | Czechoslovak Training Unit |
| D | Destroyer |
| D | Deffered |
| D | Dragoon Guards and Dragoons Regimental Number Prefix |
| D | Driver or Docks or Detonation or Deay |
| d | penny |
| D AIR | Director of Air |
| D Arm D | Director of Armament Development |
| D Arm P | Director of Armament Production |
| D CDTS | Cdts Directorate of Cadets |
| D DENT SVCS | Dent Svcs Director Dental Services |
| D Docks | Director of Docks Sevice |
| D ENV P | Env P Director, Environmental Protection |
| D FIN OPS | Fin Ops Directorate Financial Operations |
| D Hgs | Director of Hirings Service |
| D Inst P | Director of Instrument Production |
| D Lab | Director of Labour Service |
| D LAW HR | Law HR Director Law Human Resources |
| D LAW MJPR | Law MJPR Director Law Military Justice Policy and Research |
| D LAW/ I | Law/ I Director of Law/ International |
| D LAW/MIL PER | Law/Mil Per Director of Law/Military Personnel |
| D Lds | Director of Lands Service |
| D MAR PERS | Mar Pers Directorate of Maritime Personnel |
| D MED POL | Med Pol Director Medical Policy |
| D MED SVCS | Med Svcs Director Medical Services |
| D MIL C | Mil C Director Military Careers |
| D Mov | Director of Movements |
| D of A | Director of Artillery (Ministry of Supply) or Director of Accounts |
| D of C (AM) | Director of Contracts (Air Ministry |
| D of E | Duration of Engagement or Director of Equipment |
| D of E | Director of Establishments |
| D of H | Director of Hygiene |
| D of I | Director of Intelligence |
| D of M | Director of Manning or Director of Mechanisation |
| D of O | Director of Organisation |
| D of Ops (Home) | Director of Operations |
| D of Organ | Director of Organistation |
| D of P | Director of Postings |
| D of Plans | Director of Plans |
| D of S | Director of Signals |
| D OF W | of W Died of Wounds |
| D of W | Director of Works |
| D of W | Duration of War |
| D Path | Director of Pathology |
| D Plans | Director of Military Operations (Plans) |
| D Post | Director of Postal Services |
| D PUB POL | Pub Pol Directorate of Public Policy |
| D REMOUNTS | Direcotr of Remounts |
| D Sal | Director of Salvage |
| D Sigs | Director of Signals |
| D Svy | Director of Survey |
| D Tn | Director of Transportation |
| D Vets & Remounts | Director of Veterinary Services and Remounts |
| D-M2 | Officers of the Merchant Marine Reserve holding deck licenses in the Merchant Marine. |
| D-QLine | Drocourt-Qu?ant Line |
| D-V (G) | Officers of the Volunteer Reserve to the line for general service in deck duties. |
| D-V (S)2 | Officers of the Volunteer Reserve to the line for special service in deck duties. |
| D:CTRCASC | Drivers: Corps Troops, Royal Canadian Army Service Corps |
| D. of CORN L.I. | Duke of Cornwall's Light Infantry |
| D.C.E. | Deputy Chief Engineer (DCE) |
| D.C.L.I. | Duke of Cornwall's Light Infantry (DCLI) |
| D.L.I. | Durham Light Infantry (DLI) |
| D(iv)HQ | Divisional Headquarters |
| D/C | Depth Charge |
| D/DEMS | Director of Defensively Equipped Merchant Ships |
| D/DSR | Deputy Director of Scientific Research |
| D/DWT | Deputy Director of Warfare and Training |
| D/F | Direct Finding (Station) |
| D/F | Direction Finding / Finder |
| D/G | Degaussing |
| D/JAP | Deputy Judge Advocate of the Fleet |
| D/WRCNS | Director of Women's Royal Canadian Naval Service |
| d/wt | Dead-weight |
| D&D | Devond and Dorsetshire Regiment |
| D&M | Driving and Maintenance |
| D&T | Development and Training |
| DA | Distributing Authority |
| DA | Dominion Arsenal |
| DA | Director of Accounts (Air) |
| DA | Disturbance Allowance |
| DA | Deputy Adjutant or direct action (fuze) or Deputy Assistant |
| DA/S | Director of Anti-submarine |
| DA&PC | Division Ammunition & Petrol Company |
| DA&QMG | Deputy Adjutant and Quartermaster General |
| DAA | Divisional Administrative Area |
| DAA & CD | Deputy Assistant-Director of Anti-Aircraft and Coast Defence |
| DAAD | Deputy Assistant Adjutant General |
| DAAG | Deputy Assistant Adjutant General |
| DAAG | Deputy Assistant Adjutant-General |
| DAAG(Sigs) | Deputy Assistant Adjutant General (Signals) |
| DAANDQMG | Deputy Adjutant and Quartermaster General |
| DAAP | Dependent's Allowance & Assigned Pay |
| DAAQMG | Deputy Assistant Adjutant and Quartermaster General |
| DAB | Dependent's Allowance Board |
| DAB12 | Dependent's Allowance Board Claimant's Statement |
| DAB28 | Dependent's Allowance Board (Medical Examiner's Report) Statutory Declaration |
| DAC | Divisional Ammunition Company |
| DAC | Divisional Ammunition Column - organization responsible for supplying ammunition to a division |
| DAC | Divisional Ammunition Company - organization responsible for supplying ammunition to a division |
| DAC | Divisional Ammunition Column or Director of Army Contracts |
| DACG | Deputy Assistant-Chaplain General |
| DACRCAMC | Division Ammunition Company, Royal Canadian Army Medical Corps |
| DAD | Deputy Assistant-Director or Defence Aid Post |
| DAD(Svy) | Deputy Assistant Director of Surveys |
| DAD(Tn) | Deputy Assistant Director of Transportation |
| DADAPS | Deputy Assistant Director Army Postal Services |
| DADCS | Deputy Assistant Director of Chaplain Services |
| DADES | Deputy Assistant Director of Engineer Services |
| DADG | Deputy Assistant-Director-General (in combination) |
| DADG Tn | Deputy Assistant-Director-General of Transportation |
| DADH | Deputy Assistant-Director of Hygiene |
| DADMS | Deputy Assistant Director of Medical Services |
| DADMS | Deputy Assistant Director Medical Services |
| DADOS | Deputy Assistant Director of Ordnance Services (battalion echelon headquarters for divisions) |
| DADOS | Deputy Assistant Director of Ordnances Services |
| DADOS | Deputy Assistant Director Ordnance Services |
| DADPS | Deputy Assistant-Director of Postal Services |
| DADQ | Deputy Assistant Director of Quartering |
| DADR | Deputy Assistant Director of Roads |
| DADR | Deputy Assistant-Director of Remounts |
| DADS | Director of Army Dental Services or Deputy Assistant-Director of Supplies |
| DADST | Deputy Assistant Director of Supplies and Transport |
| DADST | Deputy Assistant Director Supply & Transport |
| DADT | Deputy Assistant-Director of Transportation |
| DADVS | Deputy Assistant Director of Veterinary Services |
| DAE | Director of Aeronautical Engineering |
| DAE | Director of Army Education |
| DAEF | Distributing Authority, Eastern Fleet |
| DAEM | Distributing Authority, Eastern Mediterranean |
| DAF | Desert Air Force |
| DAFL | Director of Allied Air Co-operation and Foreign Liason |
| DAFM | Director of Air Force Manning |
| DAFR | Director of Air Force Recruiting |
| DAFTF | Desert Air Force Training Flight |
| DAFV | Director of Armoured Fighting Vehicles |
| DAG | Deputy Adjutant General |
| DAG | Deputy Adjutant General |
| DAG(M) | Deputy Adjutant General (National Resources Mobilization Act of 1940) |
| DAGB | Defended Area Goose Bay |
| DAI | Director of Aeronautical Inspection |
| DAI | Director of Aeronautical Inspection or direct action impact (fuze) |
| DAIP | Director Access to Information and Privacy |
| DAL&KINGC | Dalhousie & King Contingent |
| DALM | Director of American Liaison and Munitions |
| DAO | District Audit Office |
| DAO | Director of Air Organization |
| DAO | Dental Associate |
| DAOD | Defense Administration Orders and Directives |
| DAOD | Defence Administrative Orders and Directives |
| DAP | Director of Air Personnel |
| DAP | Divisional Aid Post |
| DAP | Divisional Ammunition Park |
| DAP(P2) | P.2 Branch, Director of Air Personnel (Civilian Personnel Administration) |
| DAPA | Director of Air Personnel Administration |
| DAPM | Deputy Assistant Provost Marshal |
| DAPPP | Director Accounts Processing, Pay and Pensions |
| DAPS | Director of Airmen Personnel Services |
| DAQMG | Deputy Assistant and Quartermaster General |
| DAQMG | Deputy Assistant Quartermaster General |
| DAQMG | Deputy Assistant-Quarter-Master General |
| DAQMG | Deputy Assistant Quartermaster General |
| DAR | Designation of Acting Ranks |
| DART | Disaster Assistance Response Team |
| DAS | Director of Air Signals |
| DASD | Director of Air Staff Duties |
| DASO | Deputy Armament Supply Officer |
| DASRS | Director of Air Sea Rescue Services |
| DAT | Director of Air Training |
| DataP | Data Processor |
| DATCO | Deputy Air Traffic Controller |
| DATS | Director Auxiliary Territorial Service |
| DB | Discharge Badge (For Services Rendered) |
| DB | Depot Battalion |
| DB Ops | Director of Bomber Operations |
| DBF | Destroyed By Fire |
| DBR | Damaged Beyond Repair |
| DBS | Distressed British Seaman |
| DBURCASC | Division Bath Unit, Royal Canadian Army Service Corps |
| DC | Duty Captain |
| DC | Director of Contracts |
| DC POL | Pol Directorate Contracting Policy |
| DC-V (G) | Officers of the Volunteer Reserve for general service in the Dental Corps. |
| DC-V (S) | Officers of the Volunteer Reserve for special service in the Dental Corps. |
| DCAS | Deputy Chief of the Air staff |
| DCAS | Detachment Canadian Auxiliary Section |
| DCASEU(AS) | Detachment Canadian Auxiliary Section Entertainment Unit (Army Show) |
| DCB | Distant Control Boat |
| DCC | District Cadet Camp |
| DCCL | Director, Claims and Civil Litigation |
| DCCMSC | Detachment Corps, Corps of Military Staff Clerks |
| DCCO | Director Civilian Classification and Organization |
| DCCO | Deputy Chief of Combined Operations |
| DCCR | Depot Canadian Cavalry Regiment |
| DCCRCAMC | Division Composite Company, Royal Canadian Army Medical Corps |
| DCCWAC | Depot Company, Canadian Women's Army Corps |
| DCCWAC(CSW) | Depot Company, Canadian Women's Army Corps (Composite Stores Wing) |
| DCD | Director Communication Development |
| DCDRCASC | Debert Camp Detachment, Royal Canadian Army Service Corps |
| DCDS | Deputy Chief of the Defence Staff |
| DCE | Deputy Chief Engineer |
| DCE(PB) | Deputy Chief Engineer (Permanent Bridges) |
| DCE(Wks)(Adm)(Rear) | Deputy Chief Engineer (Works) (Administration) (Rear) |
| DCEP | Director Civilian Employment Policies |
| DCFC | Detachment Canadian Forestry Corps |
| DCG | Deputy Chaplain-General |
| DCGS | Deputy Chief of the General Staff |
| DCHRHP | Director of Civilian Human Rights and Harassment Programs |
| DCIA | Deputy Chief Inspector of Armament |
| DCIEM | Defence and Civil Institute of Environmental Medicine. |
| DCIGS | Deputy Chief of the Imperial General Staff |
| DCIGS | Deputy Chief of the Imperial General Staff |
| DCLI | The Duke of Cornwall's Light Infantry Regiment |
| DCLI | Duke of Cornwall's Light Infantry |
| DCLI | The Duke of Cornwall's Light Infantry |
| DCM | Distinguished Conduct Medal |
| DCM | District Court Martial |
| DCM | Distinguished Conduct Medal - medal for bravery awarded to other ranks (non-officers) |
| DCM | Distinguished Conduct Medal or District Court Martial |
| DCMC | District Course Methods of Coaching |
| DCN | Decontamination |
| DCNS | Deputy Chief of the Naval Staff |
| DCO | Deputy Commanding Officer; or Duty Carried Out |
| DCO | Deputy Commanding Officer |
| DCO | District Cadet Orders |
| DCOR | Duke of Connaught's Own Rifles (28th Armoured Regiment) |
| DCOS | Deputy Chief of Staff |
| DCOS | Deputy Chief of Staff |
| DCP | Director of Civilian Personnel |
| DCRCASC | District Company, Royal Canadian Army Service Corps |
| DCRCH | 6th Duke of Connaught's Royal Canadian Hussars |
| DCRE | Deputy Commander, Royal Engineers |
| DCRP | Director of Civil Research and Production |
| DCS | Director of Chaplain Services |
| DCS | Damage Control School |
| DCS | District Chaplain Services |
| DCS | Daily Casualty Summary |
| DCSA | Directorate Casualty Support and Administration |
| DCSO | District Camp School Orders |
| DCT | Director Combined Training |
| DCT | Director of Clothing and Textiles |
| DCTS | District Course Training Staff |
| DCVM | District Course Vehicle Maintenance |
| DCW&S | Director Chemical Warfare & Smoke |
| DD | Duplex Drive. Amphibious tanks with flotation screens |
| DD | District Depot |
| DD | Deputy Director |
| DD | Destroyer Division (U.S.) |
| DD | Discharge Dead |
| DD | Duty Discipline |
| DD (Movements) | Deputy Director of Movements |
| DD (Q Maint) | Deputy Director (Quartermaster Maintenance) |
| DD of M | Deputy Director of Manning |
| DD of P | Deputy Director of Postings |
| DD of S(1) | Deputy Director of Signals (Air Communications) |
| DD of S(4) | Deputy Director of Signals (Radio Servies) |
| DD of SI | Deputy Director of Signals (Wireless Intelligence) |
| DD Photos | Deputy Director of Photography |
| DD Plans | Deputy Director of Plans |
| DD PR | Deputy Director of Public Relations |
| DD PS | Deputy Director of Personal Services |
| DD RA | Deputy Director of Royal Artillery |
| DD(A)WD | District Depot (Active) Windsor Detachment |
| DD(NRMA) | District Depot (National Resources Mobilization Act of 1940) |
| DD(Svy) | Deputy Director of Surveys |
| DD(tanks) | Duplex-Drive (amphibious) |
| DDA | Deputy Director of Accounts |
| DDAD | Deputy Director of Aircraft Development |
| DDAFV | Deputy Director of Armoured Fighting Vehicles |
| DDALM | Deputy Director of American Liaison and Munitions |
| DDArmD | Deputy Director of Armament Development (Air) |
| DDAT | Deputy Director of Air Tactics |
| DDC | Division Dental Company |
| DDC (AM) | Deputy Director of Contracts (Air Ministry) |
| DDCDC | Dental Detachment Canadian Dental Corps |
| DDDO | Direction for Domestic Operations |
| DDE | Deputy Director of Equipment |
| DDED | Deputy Director of Engine Development (Air) |
| DDEM | Director(ate) of Design, Equipment and Mechanization |
| DDES | Deputy Director of Engineer Services |
| DDG | Destroyer, Guided Missile |
| DDG of M | Deputy Director-General Mechanisation |
| DDG of TS | Deputy Director-General of Tank Supply |
| DDGCA | Deputy Director-General of Civil Aviation |
| DDGCD | Deputy Director-General of Chemical Defence |
| DDGMS | Deputy Director-General of Medical Services |
| DDGNC | Deputy Director-General of Operations (Naval Co-operation) |
| DDGOF | Deputy Director-General of Ordnance Factories |
| DDGTD | Deputy Director-General of Tank Design |
| DDH | Destroyer, Helicopter carrying |
| DDHG | Deputy DIrector of the Home Guard |
| DDHO | Deputy Director of Operations (Home) |
| DDHS | Deputy Director Historical Section |
| DDL | Destroyer Deck Landings |
| DDME | Deputy Director of Mechanical Engineering |
| DDMI | Deputy Director of Military Intelligence |
| DDMI | Deputy Diretor of Military Intelligence |
| DDMO | Deputy Director of Military operations |
| DDMO | Deputy Director of the Meteorological Office |
| DDMO | Deputy Diretor of Military Operations |
| DDMO(O) | Deputy Director of Military Operations (Overseas) |
| DDMP | Deputy Director of Maintenance Plans |
| DDMS | Deputy Director of Medical Services |
| DDMS | Deputy Director of Medical Services |
| DDMT | Deputy Director of Military Training |
| DDMT | Deputy Director of Military Training |
| DDO | Deputy Director of Organisation |
| DDOP | Deputy Director of Organisation Planning |
| DDOR | Deputy Director of Operational Requirements |
| DDOSI | Deputy Director of Organisational Services and Intelligence |
| DDPD | District Depot Provost Detachment |
| DDR | East Germany Deutsche Democratic Republic also GDR |
| DDRD | Deputy Director of Radio Development (Air) |
| DDRS | Deputy Director of Repair and Servicings |
| DDS | Director Dental Services |
| DDSAL | Director of Disposals, Sales, Artifacts and Loans |
| DDSD | Deputy Director of Staff Duties |
| DDSD (W) | Deputy Director of Staff Duties (Weapons) |
| DDSM | Deputy Director of Service Maintenance (Air) |
| DDSM | Deputy Director of Servicing and Maintenance |
| DDSP | Deputy Director of Supply Planning (Air) |
| DDSS | Deputy Director of Supply Services (Air) |
| DDST | Deputy Director of Supplies and Transport |
| DDST | Deputy Director of Supplies and Transport |
| DDT (A) | Deputy Director of Training (Armament) |
| DDTA | Deputy Director of the Territorial Army |
| DDTCO | Deputy Director Training Combined Operations |
| DDTF | Deputy Director of Flying Training |
| DDTS | Deputy Director of Technical Training (Schools) |
| DDTT | Deputy Diretor of Technical Training |
| DDV | Deputy Director of Vehicles |
| DDVET | Deputy Director of Victualling, Eastern Theatre |
| DDW | Deputy Director of Weapons |
| DDWB | District Depot Wolseley Barracks |
| DDWO | Deputy Director of War Organisation |
| DE | Deckhand |
| DE | Convoy Escort Vessel |
| DE | Destroyer Escort Vessel (U.S.) |
| DE | Duration of Emergency |
| DE-M | Officwers of the Merchant Marine Reserve holdingn deck and engineering licenses in the Merchant Marine. |
| DE-V (G) | Officers of the Volunteer Reserve to the line for general service in deck and engineering duties. |
| DE-V (S)2 | Officers of the Volunteer Reserve to the line for special service in deck and engineering duties. |
| DE&CD | Director Electrical & Communication Designs |
| DEAL | Deal Division, Royal Marines |
| Dec | Decoration |
| DECN | Decontamination |
| DECN | Decontamination |
| DECPR | Director, External Communications and Public Relations |
| DED | Director(ate) of Engineer Development |
| DEE | Director of Electrical Engineering |
| DEF | Defend, defended, defence or defensive |
| Def | Defence |
| DEF | Defence or Defend or Defensive |
| Def. | Defence |
| Defensor | National Defence Headquarters (Address used in telegrams) |
| DEL | Deliver, delivered or delivery |
| DEL | Defence Electric Light |
| Del. | Delivery |
| DEL/DLY | Delivery |
| DEMS | Defensively Equipped Merchant Ships |
| DEMTech | Dental Equipment Maintenance Technician |
| DENB. | Denbighshire |
| DenbighYeo | Denbigh Yeomanry |
| DEngrs | Director(ate) of Engineers |
| DENT | Dental |
| DentA | Dental Assistant |
| DentA | Dental Association |
| DentClA | Dental Clinic Assistant |
| Dents | Director Dental Services |
| Dents(Air) | Staff Officer Dental Services (Air) |
| DentThr | Dental Therapist |
| DEO | Direct Entry Officer |
| DEO | District Engineer Officer |
| DEO | Direct Entry Officer |
| DEO | Direct Entry Officer |
| DEOP | Direct entry officer plan |
| DEOVR | Duke of Edinburgh's Own Volunteer Rifles |
| DEP | Depot |
| DEP | Delayed Entry Program; or Director Ethics Program |
| Dep | Depot |
| DEP | Director Engineering and Personnel |
| DEP | Depot |
| Dept | Department |
| DEPT | Department |
| DERBY YEO | Derbyshire Yeomanry (TA) |
| DERBY Yeo | Derbyshire Yeomanry |
| DERBYS. | Derbyshire |
| DERCA | District Establishment, Royal Canadian Artillery |
| DERCAHAD | District Establishment, Royal Canadian Artillery, Halifax Armament District |
| DERRRY | County Derry (Londonderry) |
| DERV | fuel Diesel engined road vehicle fuel |
| Des | Destroyers |
| DES | Director of Engineer Services |
| DES | Drummer Sergeant |
| DES | Director of Educational Services or Director of Engineer Stores Services |
| DESOIL | Diesel Oil (U.S.) |
| Desp | Mentioned in Despatches |
| Despatches | Mentioned in Despatches |
| Dest | Destoyer |
| DET | Detach, detached or detachment |
| Det | Detachment |
| DET | Detached or Detachment |
| Det. | Detachment |
| Det'n | Detention |
| Detn | Detention |
| Detn | Detention |
| DETT | Detachment (detachment to another unit or Squadron) |
| DEU | Distinctive Environmental Uniform |
| DEVON | Devonshire Regiment |
| DEVON | The Devonshire Regiment |
| Devon (Dev) | The Devonshire Regiment |
| DEVON. | Devon(shire) |
| DevonR | Devonshire Regiment |
| DEW | Distant Early Warning (The DEW-line radar system) |
| DEW LINE | Line Distant Early Warning Line |
| DF | Defensive fire or direction finding |
| DF | Destroyer Flotilla |
| DF | Direction Finding |
| DF | Defensive Fire or Direction-finding (by raido) |
| DF Ops | Director of Fighter Operations |
| DFASS | Director of Fleet Accounting, Supply and Secretariat |
| DFC | Distinguished Flying Cross |
| DFC | Distinguished Flying Cross |
| DFCS | Day Fighter Combat School, part of CFE |
| DFD | Detailed for Duty |
| DFLS | Day Fighter Leaders School |
| DFM | Distinguished Flying Medal |
| DFM | Distinguished Flying Medal |
| DFMS | Defensively Equipped Merchant Ships |
| DFPP | Director of Financial Policy and Procedures |
| DFS | Direct Fire Support |
| DFT | Director of Flying Training |
| DFW | Director of Fortifications and Works |
| DG | Degaussing |
| DG | Director General |
| DG | Degaussing Gear |
| DG | Delivery Group |
| DG | Dragoon Guards |
| DG | Dragoon Guards |
| DG | Dragoon Guards |
| DG & CP | Director of Gun and Carriage Production |
| DG COND SVC | Cond Svc Director General Conditions of Service |
| DG INT | Int Director General Intelligence |
| DG Mech E | Director-General of Mechanical Equipment |
| DG of E | Director-General of Economy |
| DG Tn | Director-General of Transportation (Services) |
| DGA | Director General of Aviation |
| DGAD | Director General Arsenals Division |
| DGADR | Director General Alternative Dispute Resolution |
| DGAE | Director-General of Army Equipment |
| DGAMS | Director-General of Army Medical Services |
| DGAP | Director-General of Ammunition Production |
| DGAR | Director-General of Army Requirements |
| DGC&AA | Director General Coast and Anti-Aircraft Defences |
| DGCA | Director-General of Civil Aviations |
| DGCESP | Director General Civilian Employment Strategies and Programs |
| DGD | Director of Ground Defence |
| DGDS | Director General Dental Services |
| DGE | Director General Environment |
| DGE (S) | Director-General of Equipment (and stores) |
| DGEPS | Director General Equipment Program Services |
| DGER | Director General Employee Relations |
| DGES | Director General of Engineer Services |
| DGFDA | Director General Force Development Analysis |
| DGHG & TA | Director-General of the Home Guard and Territorial Army |
| DGHS | Director General Health Services. |
| DGHS | Director General Health Services |
| DGIIP | Director General International and Industry Programs |
| DGISD | Director-General India Stores Department |
| DGLPD | Director General Learning and Professional Development |
| DGLRC | Director General Labour Relations and Compensation |
| DGMC | Director General (Military Careers) |
| DGMC | Director General Military Careers |
| DGMS | Director General of Medical Services |
| DGMS | Director-Genera of Medical Services |
| DGNS | Director General Nuclear Safety |
| Dgns | Dragoons |
| DGNS | Dragoon Guards |
| DGO | Degaussing Officer (Naval) |
| DGO | Director-General of Organisation |
| DGOF | Director-General of Ordnance Factories |
| DgofMS | Director General of Medical Services |
| DGP | Director-General of Programmes |
| DGPA | Director General (Public Affairs) |
| DGPA | Director General Personnel Administration |
| DGPA | Director General (Public Affairs) |
| DGPandI | Director-General of Ports and Lights |
| DGPCO | Director General Postings and Careers Officers |
| DGPCOR | Director General Postings and Careers Other Ranks |
| DGPGP | Director General Personnel Generation Policy |
| DGR | Director of Graves Registration |
| DGR & E | Director of Graves Registration and Enquiries |
| DGRC | Director General (Reserves and Cadets) |
| DGRD | Director General of Research & Development |
| DGS | Director of General Stores |
| DGSP | Director General (Strategic Planning) |
| DGSP | Director General Strategic Planning |
| DGSR | Director-General of Shipbuilding and Repairs |
| DGSS | Director-General of Supply Services |
| DGTP | Director-General of Tank Production |
| DGW | Director-General of Works |
| DGW & E | Director-General of Welfare and Education |
| DGWP | Director-General of Weapons and Instruments Production |
| DH | Depot Hussars |
| DH | Deck Hand |
| DH | Director of Hygiene |
| DH(No) | His/Her Majesty's Canadian Ship " Scotian", Base Files |
| DHCA | Director of Civil Aviation |
| DHD | Director of Harbour Defence |
| DHD | Deck Hand |
| DHFS | Defence Helicopter Flying School |
| DHGMR | Drill Hall Guarding Maisonneuve Regiment |
| DHH | Directorate of History and Heritage |
| DHist | Director Historical Section |
| DHMD | District Headquarters Manning Depot OR Military District |
| DHO | Director of Health Operations |
| DHP | Director of Hydrogen Production |
| DHQCFC | District Headquarters Canadian Forestry Corps |
| DHQS | District Headquarters Staff |
| DHQSS | District Headquarters Subordinate Staff |
| DHR | The Dufferin and Haldimand Rifles Regiment of Canada |
| DHRD | Director Human Rights and Diversity |
| DHRIM | Directorate Human Resources Information Management. (The PeopleSoft people.) |
| DHS | Director of Historical Section |
| DI | Drill Instructor; or Daily Inspection (This was done every morning on equipment) |
| DI | Daily Inspection (Vehicle) |
| DI | Drill Instructor |
| DI | Dangerously Ill |
| DIB | "D" Infantry Battalion |
| DICASS | Directional Command Activated Sonobouy System. |
| DID | Detail issue depot |
| DID | Detail Issue Depot (Royal Canadian Army Service Corps) |
| DID | Detail Issue Depot |
| DiedofW | Died of Wounds |
| Diem | Day |
| Diet | Dietician |
| DIFAR | Directional Frequency Analisys and Recording. |
| DIHRS | Defence Integrated Human Resource System |
| DIL | Dangerously Ill List |
| DIList | Dangerously Ill List |
| DIMSP | Directorate Information Management Strategic Planning |
| DIN | Defence Information Network |
| DIO | Director of Internment Operations |
| DIP | Director Intellectual Property |
| DIPC | Director International Plans Coordination |
| Dir | Director |
| Dir | Director (aiming circle) |
| DirGen | Director General |
| DIRMITRAIN | Director of Military Training |
| DIRPR | Director Information Resource Plans and Regulation |
| DIRU | Division Infantry Reinforcement Unit |
| dis | Discharged - released from the military service, or from a hospital |
| DIS | Division Intelligence Section |
| DIS | Discharged |
| DIS | Diretor of Investigation and Statistics |
| DIS pt | Dispersal point |
| DISB | Disbanded |
| disch | Discharged |
| Discip | Disciplinarian |
| Disemb | Disembarked |
| DISO | Defence Information Services Organization |
| DISP | Disposal point |
| DIST | District |
| DIST | District |
| Dist R | Distant Reconnaissance |
| DistEngrs | District Engineers |
| Distr | District |
| DIT | Director Individual Training |
| DIV | Division or divisional |
| Div | Division |
| Div | Divisional Ammunition Column |
| Div | Division or Divisional - unit of approximately 12,000 men commanded by a major-general |
| Div | Divisional |
| DIV | Division or Divisional |
| Div. Recce. Regt. | Divisional Reconnaissance Regiment (Div Recce Regt) |
| Div(nl) | Division(al) |
| DivBrPl(Tp) | Divisional Bridge Platoon (Troop) |
| DivSig | Divisional Signal(s) (Company) |
| DivStr | Divisional Strength |
| DIWT | Director of Inland Water Transport Service |
| DJAG | Deputy Judge Advocate General |
| DJAG | Deputy Judge Advocate-General |
| DKIM | Director Knowledge and Information Management |
| DL | Distributed Learning |
| DL | Dead Load |
| DL Ry | Director of Light Railways |
| DlabTech | Dental Laboratory Technician |
| DLADRCOC | Division Light Aid Detachment, Royal Canadian Ordnance Corps |
| DLBM/FOOD S | S Director Logistics Business Management/Food Services |
| DLBM/TM | Director Logistics Business Management/Transportation Management |
| DLCO | Deck Landing Control Officer |
| DLI | The Durham Light Infantry Regiment |
| DLI | Durham Light Infantry |
| DLI | Durham Light Infantry |
| DLOY | Duke of Lancaster's Own Yeomanry |
| DLP | Director of Electrical Personnel |
| DLPDPS | Director Learning and Professional Development Programs and Services |
| DLPDSP | Director Learning and Professional Development Strategies and Policies |
| DLRPP | Director Labour Relations Policies and Programs |
| DLS | Dominion Land Surveyor |
| DM | Deputy Minister |
| DM | Driver of Mechanized Transport |
| DM | Defence Medal |
| DM | Light Mine Layer (High Speed) (U.S.) |
| DM | Deputy Minister |
| DM | Driver Mechanic |
| DM(A) | Deputy Minister (Air) |
| DM(N) | Deputy Minister (Naval) |
| DM&A | Director(ate) of Mechanization and Artillery |
| DMASP | Director Materiel Acquisition and Support Programme |
| DMC | Defence Management Committee |
| DMC | Director of Military Cooperation |
| DMCARM | Director Military Careers Administration and Resource Management |
| DME | Distance Measuring Equipment |
| DME | Director of Military Engineering |
| DME | Director of Military Engineering |
| DMech | Driver Mechanic |
| DMFS | Directorate Military Family Services |
| DMG | Deputy Military Governor |
| DMGO | Deputy Master General of Ordnance |
| DMH | Dartmouth Military Hospital |
| DMHRCAMC | Debert Military Hospital, Royal Canadian Army Medical Corps |
| DMHRCAMC | Dundurn Military Hospital, Royal Canadian Army Medical Corps |
| DMI | Director of Military Intelligence |
| DMI | Director Military Intelligence |
| DMI | Director of Military Intelligence |
| Dmin | Deputy Minister |
| DML | Demolition |
| DML | Demolition |
| DMM | Director of Mechanical Maintenane |
| DMMD | Director Materiel Management Distribution |
| Dmn | Draughtsman |
| DMNA | Director Manning and Naval Assistant |
| DmnAE | Draughtsman Aeronautical Engineering |
| DmnCE | Draughtsman Construction Engineering |
| DmnGA | Draughtsman Graphic Arts |
| DMO | Director of Military Operations |
| DMO | Director(ate) of Military Operations |
| DMO | Director of Military Operations |
| DMO & P | Director of Military Operations and Plans |
| DMO&I | Director(ate) of Military Operations and Intelligence |
| DMO&P | Director(ate) of Military Operations and Planning |
| DMPD | Director, Management Policy Development |
| DMPP | Director Materiel Policy and Procedures |
| DMR | Die Middellandse Regiment |
| Dmr | Drummer |
| DMR | Drummer |
| dmr | Diameter |
| DMRD | Director of Medical Research and Development |
| DMS | Director of Medical Services |
| DMS | Director of Merchant Seaman |
| DMS | Director of Medical Services |
| DMS | Mine Sweeper (High Speed) (U.S.) |
| DMS | Driver Mechanics School |
| DMS | Department of Munitions and Supply |
| DMS | Driver Maintenance Staff |
| DMS | Director of Medical Services or Driver Mechanical School |
| DMS(Air) | Director of Medical Services (Air) |
| DMT | Director of Military Training |
| DMT | Director(ate) of Military Training |
| DMT | District Mounted Troops |
| DMT | Director of Military Training |
| DMT&SD | Directorate of Military Training and Staff Duties |
| DNA | Director of Naval Accounts |
| DNA | Director of Naval Appropriations |
| DNC | Director Naval Construction |
| DNC | Director of Naval Communications (U.S.) |
| DNCO | Duty Not Carried Out; or Did Not Complete Operation |
| DNCSEAC | Deputy Naval Commander South East Asia Command |
| DNCXF | Deputy Naval Commander Expeditionary Force |
| DND | Department of National Defence |
| DNE | Director Naval Education |
| DNES | Director of Naval Engineering Service |
| DNHS | Director of the Naval Historical Section |
| DNI | Director of Naval Intelligence |
| DNI | Director Naval Information |
| DNI | Director of Naval Intelligence & Trade |
| DNI and P | Director of Naval Intelligence and Plans |
| DNK | Date Not Known |
| DnkyMn | Donkeyman |
| DNLO | Dutch Naval Liaison Officer |
| DNO | Director Naval Ordinance |
| DNO | Director of naval Ordnance (Torpedoes Mines) |
| DNO | Destroyer Navigating Officer |
| DNO | Director of Operations (Naval-Co-operation) |
| DNOT | Director of Naval Operations and Training |
| DNP | Director of Naval Personnel |
| DNPA | Director of Naval Pay Accounting |
| DNR | Director of Naval Reserves |
| DNS | Director of Naval Stores |
| DNS | Director of Naval Services |
| DNS | Dragoons |
| DNS | Dragoons |
| DNSO | Deputy Naval Store Officer |
| DNT | Director of Naval Training |
| DO | Duty Officer; or Daily Order |
| DO | Dental Officer |
| DO | Duty Officer |
| DO | Daily Order |
| DO | Daily Order (Of a Unit) - administration orders issued to mark personnel changes of a unit (transfers, hospitalizations, etc.) |
| DO | Daily Order (Same as Part II Orders) |
| DO | District Orders |
| DO | Drill Order or Daily Order or Duty Officer |
| DOB | Date of Birth; or Deployed Operating Base |
| DOB | Date of Birth |
| DOC | District Officer Commanding |
| DOC | Died of Other Causes |
| DOC | Driver Operation Course |
| DOC | Docks Operating Company |
| DOCA | Director of Overseas Civil Aviation |
| DOCKS OP COY | Docks Operating Company |
| DOCO | Drafting Officer Combined Operations |
| DOD | Director Operations Division |
| DOD | Died of Disease |
| DODY | Died on Duty |
| DOE | Duration of emergency |
| DOE | Duration of Emergency |
| DOF | Director of Ordnance Factories |
| Dof P | Director of Plans |
| DofCornLI | Duke of Cornwall Light Infantry |
| DofLancsOY | Duke of Lancashire's Own Yeomanry |
| DofP | Director of Plans |
| DOFP | Divisional Ordnance Field Park, Royal Canadian Ordnance Corps |
| DofPR | Director of Public Relations (Air) |
| DofPR | Director of Public Relations (Army) |
| DofT | Director of Trade |
| DofT&M | Director(ate) of Transport and Movements |
| DofUERE | Director of Underwater Experimental Research Establishment |
| DofW | Died of Wounds - official cause of death |
| DofW | Duration of War |
| Dog | The Dogra Regiment |
| DOH | Dominion Orthopaedic Hospital (Toronto) |
| DOL | Director Official Languages |
| DOL Yeo | The Duke of Lancaster's Own Yeomanry Regiment |
| DomAff | Dominion Affairs |
| Dominion | High Commissioner for Canada in the United Kingdom (Address Used in Telegrams) |
| DomOrthHosp | Dominion Orthopaedic Hospital (Toronto) |
| DONC | Director of Operations (Naval Co-operations) |
| DOO | Director of Operations (Overseas) |
| DoO&R | Director of Organization & Recruiting |
| DOR | Director of Operational Research |
| DOR | Director of Operational Requirements |
| DORA | Defence of the Realm Act |
| DORA | Defence of the Realm Act |
| DORE | District Office, Royal Engineers |
| DOrg | Director(ate) of Organization |
| DOrg | Director of Organization |
| DORSET | The Dorsetshire Regiment |
| DORSET | The Dorsetshire Regiment |
| DORSET. | Dorset(shire) |
| DorsetR | Dorset Regiment |
| DorsetY | Dorset Yeomanry |
| DOS | Director Ordnance Services |
| DOS | Director of Ordnance Service |
| DOS SJS | SJS Director of Staff, Strategic Joint Staff |
| DOS(A) | Director of Ordnance Services (Administration) |
| DOS(GS) | Director of Ordnance Services (General Stores) |
| DOS(TS) | Director of Ordnance Services (Technical Stores) |
| DOSI | Director of Operational Services and Intelligence |
| DOT | Director of Operational Training |
| DOTP | Dental Officer Training Plan |
| DoW | Death or wounded |
| DOW | Duration of war |
| DOW | Died of Wounds |
| DOW | Died of Wounds |
| DOWN | County Down |
| DP | Delivery point |
| DP | Development Period; officer and NCM careers are divided into Developmental Periods |
| DP | Defence Platoon |
| DP | Developmental Period |
| DP | District Paymaster |
| DP | Delivery Point or Dispersal Point or Director of Postings |
| DPA | Director of Procurement (Aircraft) |
| DPB | Defence Purchasing Board |
| DPCRCASC | Division Petrol Company, Royal Canadian Army Service Corps |
| DPCRCASC | Depot Pacific Command, Royal Canadian Army Service Corps |
| DPD | Director of Plans Division |
| DPDT | Director Plans, Doctrine and Training |
| DPE | Directorate of Physical Education |
| DPE | Director of Procurement (Equipment) (Air) |
| DPED | Director Professional Education and Development |
| DPersServ | Director(ate) of Personal Services |
| DPET | Director of Pre-Entry Training |
| DPFL | Directorate Protocol and Foreign Liaison |
| DPGRCOC | Detachment Proving Grounds, Royal Canadian Ordnance Corps |
| DPI | District Pay Instruction |
| DPM | Deputy Provost Marshal |
| DPO | Director of Plans and Operations (Air) |
| Dpo | Depot |
| DPofG | Defended Port of Gaspe |
| DPofS | Defended Port of Shelburne |
| DPPO | Deputy Press and Publicity Officer |
| DPR | Director of Postings and Records (Air) |
| DPR | Director of Personnel Records |
| DPR | Diretor of Public Relations |
| DPS | Director of Personnel Selection |
| DPS | Director of Personal Services |
| DPs | Delivery Points |
| DPSD | Deputy Drector of Staff Duties |
| DPSD (W) | Deputy Director of Staff Duties (Weapons) |
| DPSE | District Paymaster Sergeant |
| DPSS | Director of Printing and Stationary Services |
| DPTE | Drummer Private |
| DPW | Director, Prisoners of War in Canada |
| DPW | Director of Prisoners of War |
| DQ | Director of Quartering |
| DQA | Director Quality Assurance |
| DQMG | Deputy Quartermaster General |
| DQMG | Deputy Quarter-Master Geberak |
| DQOL | Director Quality of Life |
| DQS | Director(ate) of Quartermaster General Services |
| DR | Despatch rider or motor-cyclist |
| Dr | Driver |
| DR | Director Records |
| DR | Despatch Rider or motor cyclist |
| DR | Dead Reckoning (U.S.) |
| DR | Officer In Charge Records |
| DR | Dresser |
| DR | Director of Remounts or Driver or Despatch Rider or Dead reckoning |
| DR Compass | Distant-reading Compass (German) |
| DR(WD) | Director of Records (War Diaries) |
| DRA | Director of Royal Artillery |
| DRAE | Director of Royal Aircraft Establishment |
| DRAE | Director of Royal Aircraft Establishment |
| DraftingEO | Drafting Engineer Officer |
| DRB | Division Recce Battalion |
| DRC | District Rest Camp |
| DRC | District Recruiting Company |
| DRD | District Recruiting Detachment |
| DRD | Director Reserve Divisions |
| DRD&MRU | District Recruiting Detachment & Mobile Recruiting Units |
| DREE | Director of Research and Experimental Establishment |
| Dresser | Dresser of Wounds |
| DRET | Directorate of Recruiting, Education and Training |
| DRI | Driver |
| DrillCoy | Drilling Company |
| DRLS | Despatch rider letter service |
| DRLS | Despatch Rider Letter Service |
| DRM | Director of Reuniting and Mobilisation or Director of Raw Materials |
| DRO | District Record Officer |
| DRO | District Routine Orders |
| DRO | Daily Routine Orders |
| DRO | Divisional Routing Order |
| DRO | Daily Routine Order or Orders |
| DROCAD | Divisional Routine Orders Canadian Armed Division |
| DRP | Diretor of Radio Production |
| DRPATAA&TS | Detention Rooms Port Arthur the Armouries Administration & Training Staff |
| Drs | District Recruiting Services |
| DRS | District Recruiting Staff |
| DRS | Divisional Rest Station |
| DRS(LC)RCCS | Despatch Rider Section (Light Car) Royal Canadian Corps of Signals |
| DRSE | Dresser |
| DRSO | Daily Range Standing Order |
| DRTD | District Recruit Training Depot |
| DRU | Drummer |
| DRUM MAJ | Drum Major |
| DRV | Driver |
| DS | Directing Staff |
| DS | Dressing station |
| DS | Dutch Ship |
| DS | Dressing Station |
| DS | Dressing Station or Directing Staff |
| DS | Dental Surgery or Director of Signals |
| DS"Z"F | Dental Section "Z" Force |
| DS(Records) | Discharge Section (Records) |
| DS&TO | District Supply & Transport Officer |
| DSA | Director Senior Appointments |
| DSA | Director of Supply Administration (Air) |
| DSA | Draw Subsistence Allowance |
| DSANF | Director South African Naval Forces |
| DSB | Director Shipbuilding |
| DSC | District Shipyard Controller |
| DSC | Distinguished Service Cross |
| DSC | Divisional Signal Company or Distinguished Service Cross |
| DSC(L) | Director of Small Craft (Levant) |
| DSCACOW/SRCOC | Divisional Section Canadian Armoured Corps Ordinance Workshop, Royal Canadian Ordnance Corps |
| DSCDS | Defence Subject Classification and Disposition System |
| DSCES | Director Strategic Communications and Executive Services |
| DSCO | Director Supply Chain Operations |
| DSCR | Department of Soldiers Civil Re-establishment |
| DSCRCASC | Division Supply Column, Royal Canadian Army Service Corps |
| DSD | District Sub-Depot |
| DSD | Director Signals Division |
| DSD | Director(ate) of Staff Duties |
| DSD | Desirable Sailing Date |
| DSD | Director of Staff Duties |
| DSD (W) | Director of Staff Duties (Weapons) |
| DSDF | Director of Seaward Defence Force |
| DSEI | Directorate of Special Examinations and Inquiries |
| DSG | Deputy Surgeon General |
| DSISCIC | District Security Intelligence Section, Canadian Intelligence Corps |
| DSM | Distinguished Service medal |
| DSM | Drill Sergeant Major |
| DSM | Distinguished Service Medal |
| DSM | Drill Sergeant Major |
| DSM | Distinguished Service Medal or Drill Sergeant Major |
| DSM | Director of Servicing and Maintenance |
| DSMD | District Staff Military District |
| DSO | Distinguished Service Order |
| DSO | Companion of the Distinguished Service Order |
| DSO | District Supply Officer |
| DSO | Duty Signal Officer |
| DSO | District School Orders |
| DSO | Distinguished Service Order |
| DSO | Distinguished Service Order |
| DSP | Director of Seaman Personnel |
| DSPC | Divisional Signals Pacific Command |
| DSPD | Deputy Superintendent Pembroke Dock |
| DSQ | Dockyard Sick Quarters |
| DSR | Director of Ship Repairs |
| DSR | Director of Scientific Research |
| DSRC | Division Section Reception Camp |
| DSRCCS | District Signals, Royal Canadian Corps of Signals |
| DSS | Director of Special Services |
| DSSD | Director of Supply Staff Duties (Air) |
| DSSRCOC | District Stores Section, Royal Canadian Ordnance Corps |
| DST | Director of Supplies and Transport |
| DST | Director(ate) of Supply and Transport |
| DST | Director of Supplies and Transport |
| DSTO(X) | Divisional Sea Transport Officer, Alexandria |
| DTC | Discharge Transit Centre |
| DTD | Directorate of Technical Development; or Director of Technical Development (Air Ministry) |
| DTD | Director of Trade Division |
| DTD | Director of Tank Design |
| DTEO | Defence Test & Evaluation Organization |
| DTEP | Director Training and Education Policy |
| DTG | Date Time Group DEU Distinctive Environmental Uniform |
| DTM | Director of Technical Maintenance (Air) |
| DTMA | Director of Technical and Military Administration |
| DTMS | Defence Terminology Management System |
| DTN | Defence Teleprinter Network |
| DTNA | Director Training and Naval Assistant |
| DTO | Director of Technical Division (Naval) |
| DTO | Director of Operational Training |
| DTPG | Draw Trades Pay Group |
| DTPR | Director of Training Plans and Requirements (Air) |
| DTR | Director(ate) of Technical Research |
| DTSES | Directorate Telecommunications and Spectrum Engineering and Support |
| DTSS | Dockyard Tower Signal Station |
| DTT | Director of Technical Training (Air) |
| DTT | Director of Technical Training |
| DTTC | Dental Technical Training Centre |
| DU | Discrimination Unit |
| DUAS | Durham University Air Squadron |
| Dukes | The Duke of Edinburgh's Own Rifles Regiment |
| DUKW | Duck wagon (An amphibious six-wheeled vehicle of six-ton capacity) |
| DUMFRS. | Dumfriesshire |
| DUNB. | Dunbartonshire |
| DUNDEE | Dundee |
| DURH LI | Durham Light Infantry |
| DURHAM | Durham |
| DurhLI | Durham Light Infantry |
| DUS | Deputy Under-Secretary of State |
| DV | Diver |
| DVA | Department of Veteran Affairs |
| DVA | Department of Veterans Affairs |
| DVGofC | Detachment Veterans Guard of Canada |
| DVR | Driver |
| Dvr | Driver - designation or rank of a soldier who drives vehicles |
| DVR | Driver |
| DvrSigs | Driver Signals |
| DW | Director of Works |
| DW | Director of Works or Duration of War |
| DWA | Director(ate) of Works and Accommodation |
| DWAAF | Director of the Women's Auxilliary Air Force |
| DWAN | Defence Wide Area Network |
| DWB | Director of Works and Building |
| DWC | Director(ate) of Works and Construction |
| DWD | Director of Welding Development |
| DWI | Directional Wireless Installation (Magnetic Minesweepers) |
| DWO | Director of War Organisation |
| DWR | The Duke of Wellington's Regiment (West Riding) |
| DWR | Duke of Wellington's Regiment (West Riding) |
| DWR | Director of Weapons and Tactics |
| DWR | The Duke of Wellington's Regiment |
| DWS | Director of Women's Service |
| DWS | Director of Warlike Stores |
| DWT | Director of Warfare and Training |
| DWTF | District Welfare Trust Fund |
| DWTO | District Weapons Training Officer |
| DWV | Diretor of Weapons and Vehicles |
| DY | The Derbyshire Yeaomanry Regiment |
| DY | Derbyshire Yeomanry |
| DYRCH | 17th Duke of York's Royal Canadian Hussars |
| DZ | Dropping zone |
| DZ | Drop Zone |
| E | East |
| E | English (Nationality) or Echelon |
| E & M | Excavation and Maintenance or Electical and Mechanical |
| E Div | Electrical |
| E L Cr | Engineer Lieutenant-Commander |
| E LAN | East Lancashire Regiment |
| E LAN R | East Lancashire Regiment |
| E Lan R (ELnc) | The East Lancashire Regiment |
| E RIDING YEO | East Riding Yeomanry (TA) |
| E RIDING YEO | East Riding Yeomanry |
| E YORKS | East Yorkshire Regiment (Duke or York's Own) |
| E YORKS | The East Yorkshire Regiment (The Duke of York's Own) |
| E Yorks (Eyks) | The East Yorkshire Regiment (The Duke of York's Own) |
| E-in-C | Engineer-in-Chief |
| E-M2 | Officers of the Merchant Marine Reserve holding engineering licenses in the Merchant Marine. |
| E-V (G) | Officers of the Volunteer Reserve appointed to the line for general service in engineering duties. |
| E-V (RS)2 | Officers of the Volunteer Reserve who are experienced in electrical engineering appointed to the line for engineering duties. |
| E-V (S) | Officers of the Volunteer Reserve appointed to the line for special service in engineering duties. |
| E.LOTHIAN | East Lothian |
| E/R | Elevation/Range |
| E&M | Electrical and Mechanical |
| E&M (Coy) | Electrical and Mechanical (Company) |
| E&M COY | Electrical and Mechanical Company |
| E&RFTS | Elementary& Reserve Flying Training School |
| E&SCID | Eastern & Southern Commands Infantry Depot |
| E&WS | Electrical & Wireless School |
| EA | East Africa, East African or enemy aircraft |
| EA | East Africa |
| EA | Enemy Action |
| EA | Electrical Artificer |
| EA | Enemy Aircraft |
| EA | Air Electrical Technician |
| EA | Electrical Technician (Air) |
| EA | Emergency Aerodromes |
| EA | East Africa or African |
| EA,1c(or2c,3c,4c,5c) | Electrical Artificer, 1st Class (or 2nd, 3rd, 4th or 5th Class) |
| EA(No) | Distinguishing letters on files of Permanent Joint Board on Defence |
| EAAS | Empire Air Armament School |
| EAASC | East Africa Army Service Corps |
| EAC | Equipment Approvals Committee |
| EAC | Eastern Air Command |
| EAC | Equipment Assembly Company or East Africa Command |
| EACC | Enemy Alien Concentration Camp |
| EAF | East Africa Flight |
| EAFC | Empty Anti-Freeze Containers |
| EAM | Executive Assistant to the Honourable Minister |
| EAM/BMO | Electrical Anti-mining Base Maintenance Officer |
| EAMGO | Executive Assistant to the Master General of Ordnance |
| EANS | Empire Air Navigation School |
| EAOS | Elementary Air Observer School |
| EARS | Enemy Alien Receiving Station |
| EASSU | Enemy Aircraft Storage & Servicing Unit |
| EATS | Empire Air Training Scheme |
| EATS | Equipment Accounting Training School |
| EBSRVR | East Bengal State Railway Volunteer Rifles |
| EBTS | Elementary and Basic Training School (Coastal Command) |
| EC | Escadrille de Chasse (Small French Fighter Unit); or Engagement Controller (Bloodhound missile) |
| EC | Eastern Canada |
| EC | Educational Company |
| EC | Engineer Captain |
| ECA | European Civil Affairs |
| ECC | Equipment Configuration Code |
| ECC | Emergency Cooks Course |
| ECDU | Electronic Countermeasures Development Unit; or Engine Control Demonstration Unit |
| ECFS | Empire Central Flying School |
| ECH | Echelon |
| ECH | Echelon |
| ECI | Engineer Control Instructors ECM Electronic Countermeasures |
| ECMCourse | Electronics Countermeasures Course |
| ECr | Engineer Commander |
| ECS | Environmental Chiefs of Staff |
| ECT | Emergency Cookery Training |
| ECU | Electronic Countermeasures Unit |
| ED | Equivalency Database; or Environmental Directive |
| ED | Efficiency Decoration |
| ED | Equipment Depot |
| ED | Excused Duties |
| ED | Efficiency Decoration |
| ED & T | & T Exempt From Drill and Training |
| ED&T | Exempt From Drill and Training |
| EDC | Elementary Driving Corps |
| EDC | Extended Defence Commander |
| EDD | Equipment Disposal Unit |
| EdmFus | Edmonton Fusiliers |
| Edmn Fus | The Edmonton Fusiliers Regiment |
| Edmn R | The Edmonton Regiment |
| Edn. | Education |
| EDO | Education Objective |
| EDP | Emergency Defence Plan |
| EDR | Radar Display Room |
| EdServ | Educational Services |
| EDSRCASC | Echelon Division Supply, Royal Canadian Army Service Corps |
| EE | Electrical Engineer |
| EE | Exercise Eskimo |
| EEAD | Chief Examiner of Armament Design |
| EEF | Egyptian Expeditionary Force |
| EEF | Egyptian Expeditionary Force |
| EERCE | Experimental Establishment, Royal Canadian Engineers |
| EES | Eastern Examination Service |
| EF | Expeditionary force |
| EF | Eastern Fleet |
| EF | Edmonton Fusiliers |
| EF | Expeditionary Force or Elevation Finder |
| EFC | Expeditionary Forces Canteens |
| EFERCCS | Eastern Fortress Establishment, Royal Canadian Corps of Signals |
| EFI | Expeditionary Force Institutes |
| EFI | Expeditionary Forces Institutes |
| EFM | Expeditionary Force Message |
| EFR | The Eastern Frontier Rifles Regiment |
| EFS | Empire Flying School |
| EFTS | Elementary Flying Training School |
| EFTS | EFTS Elementary Flying Training School(s) |
| EG | For example |
| EG | For Example |
| EGM | Empire Gallantry Medal |
| EGS | Elementary Gliding School |
| EGSTech | Electrical Generating Systems Technician |
| EGSUP | Eastern Group Supply Council |
| EGTS | Elementary Glider Training School |
| EHU | Engineer Holding Unit |
| EI | Essential Industry |
| EIB | Explosive Incendiary Bomb |
| EinC | Engineer-in-Chief |
| EInC | Engineer-in-Chief Naval Service |
| EINLO | Royal Indian Naval Liaison Officer |
| EIS | Equipment Issue Scale |
| EISIS | East Indies Merchant Shipping Intelligence |
| EL | Air Artificer (Electrics) |
| EL | Embarkation Leave |
| EL | Electic Light |
| EL & W | Electric Light and Works |
| El L Cr | Electical Lieutenant-Commander |
| ElA/Lieut-Cdr | Electrical Acting Lieutenant-Commander |
| ELanR | East Lancashire regiment |
| ElCr | Electrical Commander |
| Elect | Electrician |
| ELG | Emergency Landing Ground |
| Elgins | The Elgin Regiment Regiment |
| ELINT | Electronic Intelligence |
| ElL | Electrical Lieutenant |
| ElLCr | Electrical Lieutenant Commander |
| ElMTech | Electro-Mechanical Technician |
| ELOC | Essential Level of Capability |
| ELOP | Electric Light Observation Post |
| ELOs | Electric Light Officers |
| ELS | Emergency Landing Strip |
| ElSL | Electrical Sub-Lieutenant |
| ELUS | English Language Units |
| EM | Electrician's Mate Use electrical tools and repair electrical equipment. Charge storage batteries. Wind armatures. Stand watch on main gyrocompass and in main control room of electrically driven ships. Repair telephone circuits. Apply first aid in case of |
| EM | Engineering Mechanic |
| EM | Electrical Mechanic |
| EM | Efficiency Medal |
| EM | Electrician's Mate |
| EM1c | Electrician's Mate, First Class |
| EM2c | Electrician's Mate, 2d Cl. |
| EM3c | Electrician's Mate, 3d Cl. |
| Emb | Embarked - went aboard ship for departure overseas; Canada to Britain or Canada to France |
| EMB | Embarked |
| EmbL | Embarkation Leave |
| EmbLve | Embarkation Leave |
| EMCS | Eastern Mediterranean Communication Flight |
| EME | Electrical Mechanical Engineer |
| EME | Electrical Mechanical Engineer |
| EMH | Edmunston Military Hospital |
| EMH | Esquimalt Military Hospital |
| EMHRCAMC | Edmonton Military Hospital, Royal Canadian Army Medical Corps |
| EMHRCAMC | Espanola Military Hospital, Royal Canadian Army Medical Corps |
| EMO | Embarkation Medical Officer |
| EMP | Employ, employed or employment |
| Emp | Employed |
| Emp | Employment |
| Emp. | Employment |
| Empl'd | Employed |
| EMUAS | East Midlands University Air Squadron |
| EN | Enemy |
| EN | Ensign |
| EN | Enemy |
| ENG | English |
| ENG | English |
| Engn | Engineman |
| ENGR | Engineer |
| ENGR | Engineer or Engineers |
| Engr. | Engineer |
| Engrs | Director of Engineer Services |
| Engrs | Engineers |
| Engrs. | Engineers |
| Enrg | Engineer |
| ENS | Ensign or Second Lieutenant |
| Ens | Ensign |
| ENS | Ensign |
| ENSA | Entertainment National Services Association |
| ENSA | Entertainments National Services Association |
| ENSA | Entertainments National Services Association |
| ent | Entitled |
| ENTL | Entitled |
| EO | Enabling Objective |
| EO | Engineer Officer |
| EO | Emergency Operations or Education Officer or Engineer Officer |
| EOD | Explosive Ordnance Disposal |
| EOFS | Engineer Officer French Ships |
| EOP | Engineer Officer Personnel (Naval) |
| EOR | Eastern Ontario Regiment |
| EORCE | Executive Officer, Royal Canadian Engineers |
| EORD | Eastern Ontario Regimental Depot |
| EORD | Eastern Ontario Regimental Depot -facility in England used to assemble men and to store and administer equipment and materials |
| EOWS | Elementary Observer Wireless School |
| EP | Equipment Park |
| EP | Employment Platoon |
| EP | Estimated Position |
| EP | Equipment Park |
| EPB | Exercise Polar Bear |
| EPZ | Enter Promotion Zone |
| Eqpm.Ass't | Equipment Assistant |
| EQPT | Equipment |
| EQPT | Equipment |
| EQPT O | Equipment Officer |
| Eqpt. | Equipment |
| Equipt(N) | Equipment Division (Naval) |
| ER | Engine Room Artificer |
| ER | Engineering Technician |
| ER | Elgin Regiment |
| ER | Essex Regiment |
| ERA | Engine Room Assistan |
| ERA,1c(or2c,3c,4c,5c) | Engine Room Artificer, 1st Class (or 2nd,3rd,4th or 5th Class) |
| ERA(A) | Engine Room Artificer (Apprentice) |
| ERO | Emergency Repair Officer |
| ERofYorkY | East Riding of Yorkshire Yeomanry |
| ERP | Emergency Response Plans |
| ERPT | Emergency Response Planning Team |
| ERRatings | Engine Room Ratings |
| ERS | Empire Radio School; or Engine Repair Section |
| ERS | Engine Repair Section |
| ERU | Engineer Reinforcement Unit |
| ERY | The East Riding Yeomanry Regiment |
| ERY | East Riding Yeomanry |
| ES | Emergency Service |
| ES&W | Engineer Services & Works |
| ES&WCoy | Engineer Survey and Works Company |
| ESBD | Engineer Stores Base Depot |
| ESCMFGHQ | Educational Services Central Mediterranean Force General Headquarters |
| ESD | Engineer Stores Depot |
| ESE | Engineer Stores Establishment |
| ESO | Embarkation staff officer |
| ESO | Embarkation Staff Officer |
| ESR | Engineer Support Regiment |
| ESR | The Essex Scottish Regiment |
| ESR | Essex Scottish Regiment |
| ESSEX | Essex Regiment |
| Essex (Esx) | The Essex Regiment |
| EssexR | Essex Regiment |
| EssexYeo | Essex Yeomanry |
| ESSRCE | Engineer Stores Section, Royal Canadian Engineers |
| EST | Establish, established or establishment |
| Est | Estimates |
| Est | Establish, established or establishment |
| EST | Established or Establishment |
| Est. | Establishment |
| Estab | Establishment |
| ESTB | Established |
| ESurrR | East Surrey Regiment |
| ESusx | The East Sussex Regiment |
| ET | Electrical Technician |
| ETA | Estimated Time of Arrival |
| ETA | Estimated / Expected Time of Arrival (U.S.) |
| ETC | And so on or and the rest |
| ETC | Embarkation Transit Camp |
| ETD | Expected Time of Departure (U.S.) |
| ETech | Electrical Technician |
| ETech(A) | Electrical Technician (Air) |
| ETH | Compressed Earth |
| ETO | European Theatre of Operations |
| ETOUSA | European Theatre of Operations, U. S. A. |
| ETP | Estimated Time of Departure (U.S.) |
| ETPS | Empire Test Pilots School |
| ETQMS | Engineer Technical Quartermaster Sergeant |
| ETU | Embarkation Transit Unit |
| EU | Equipment Unit |
| EU | Entertainment Unit |
| EUAS | Edinburgh University Air Squadron |
| EVA | Engineer Vice-Admiral |
| EVAC | Evacuate, evacuated or evacuation |
| Evac | Evacuated |
| EVAC | Evacuate |
| Evac. | Evacuation |
| EVD | Evaded Capture |
| EW | Electronic Warfare; or Early Warning |
| EWAU | Electronic Ware fare Avionics Unit |
| EWE&TU | Electronic Ware fare Experimental & Training Unit |
| EWS | Emergency Water Supply |
| EX | Exercise ; or Executive Group |
| Ex | Expeditionary |
| EX | Exercise |
| EXCL | Exclude, excluded, excluding or exclusive |
| EXCL | Exclude or Excluded or Exclusive |
| EXFCECAN | Expeditionary Force Canteen |
| Exp | Expeditionary |
| EXP | Exemplary |
| Exptl | Experimental |
| Ext Aff | External Affairs |
| External | Canadian Department of External Affairs (Address used in telegrams) |
| ExVes | Examination Vessels |
| EYorkR | East Yorkshire Regiment |
| F | Fighter |
| F | Fireman Fire and tend boilers. Operate, adjust and repair pumps. |
| F | Fighting or Fighter (plane) |
| F & E | & E Furniture and Effects |
| F I DS/U | I DS/U Fighter Interception Development Squadron/Unit |
| F I U | I U Fighter Interception Unit |
| F of S | Factor of safety |
| F Sgt | Flight Sergeant |
| F SP | Flash spotting |
| F Sp | Flash Spotting |
| F W | w Feldwebel/Focke Wulfe |
| F-BFTS | France-Belgium Flying Training Unit |
| F. AMB | Field Ambulance |
| F.S. | Field Security |
| F(A)SCRCE | Field (Air) Survey Company, Royal Canadian Engineers |
| F/ | Flight |
| F/C | Fire Control (Gunnery) |
| F/C | Flight Commander |
| F/E | Flight Engineer |
| F/FS | French Ship Manned by Fighting French |
| F/L | Flight Lieutenant |
| F/Lt | Flight Lieutenant |
| F/O | Flying Officer |
| F/R | Fighter Reconnaissance |
| F/S | Flight Sergeant |
| F&E | Furniture and Effects |
| F&G | France and Germany |
| F1A | Fitter I (Airframes) |
| F1c | Fireman, First Class |
| F1E | Fitter I (Engines) |
| F2A | Fitter II (Airframes) |
| F2c | Fireman, Second Class |
| F2E | Fitter II (Engines) |
| F3c | Fireman, Third Class |
| FA | Field Artillery |
| FA | Field Ambulance |
| FA | Field Artillery |
| FA | Financial Adviser, Joint Air Training Plan (Air) |
| FA | Field Ambulance or Field Artillery f Financial Advisor or Fixed Ammunition |
| FA/SO | Fleet Anti-Submarine Officer |
| FAA | Fleet Air Arm (Naval Aviation) or Financial Administration Act |
| FAA | Fleet Air Arm |
| FAA | Fleet Air Arm |
| FAB | Field Artillery Bridge |
| FAC | Forward Air Controller |
| FACRCAMC | Field Ambulance Charlottetown, Royal Canadian Army Medical Corps |
| FAD | Field Ambulance Details |
| FAD | Field Ammunition Dump |
| FAD(D)RCASC | Field Ambulance Details (Division) Royal Canadian Army Service Corps |
| FADRCAMC | Field Ambulance Detachments, Royal Canadian Army Medical Corps |
| FAE | Fitter Aero Engines |
| FAE | Fleet Adviser of Education |
| FAGS | Fleet Aerial Gunners School |
| FAHRCAMC | Field Ambulance Halifax, Royal Canadian Army Medical Corps |
| FAM | Financial Administration Manual |
| Famb | Field Ambulance |
| FANY | First Aid Nursing Yeomanry |
| FANYC | First Aid Nursing Yeomanry Corps |
| FAO | Fleet Accountant Officer |
| FAP | First Aid Post |
| FAP | Farrier Sergeant |
| FAP | First Aid Post |
| FAP | For All Purpose |
| FAP | First Aid Post |
| FAPHRCAMC | Field Ambulance Point Hawkesbury, Royal Canadian Army Medical Corps |
| FAR | Farrier |
| FARCAMC | Field Ambulance Royal Canadian Army Medical Corps |
| Farr | Farrier |
| FAS | First Army Signals |
| FAS | Forward Area Sight |
| FASL | Forward Air Support Link |
| FAT | Field Artillery Tractor |
| FATO | Fleet Air Arm Technical Officer |
| FATU | Flight Affiliation Training Unit; or Fighter Armament Training Unit |
| FAVO | Fleet Aviation Officer |
| FAVO | Fleet Aviation Officer |
| FAW/SSRCOC | Field Artillery Workshop Section Royal Canadian Ordnance Corps |
| FB | Fire Base |
| FB | Field Branch or Flying Boat |
| FB&JW | Forest Bush & Jungle Warfare |
| FBDF | Flying Boat Development Flight |
| FBE | Folding boat equipment |
| FBE | Folding Bridge Equipment |
| FBE | Floating boat equipment |
| FBE | Folding Boat Equipment |
| FBO | Fixed Base Operations |
| FBRCA | Field Battery, Royal Canadian Artillery |
| FBRCACASF | Field Brigade, Royal Canadian Artillery, Canadian Active Service Force |
| FBRCASC | Field Bakery, Royal Canadian Army Service Corps |
| FBS | Flying Boat School |
| FBSO | Fleet Bomb Safety Officer |
| FBSU | Flying Boat Servicing Unit |
| FC | Ferry Control/Fighter Command/Flying Control |
| FC | The First City Regiment |
| FC | Fire Controlman Stow, inspect and repair fire control instruments. Take charge of fire control equipment. Know electricity - A.C. and D.C. Man fire control stations. |
| FC | Ferry Commands |
| FC | Fire Controlman |
| FC | Flag Captain |
| FC | Foot Constable or Frontier Constabulary or Fighter Command or Fire Commander |
| FC"Z"F | Fire Command "Z" Force |
| FC1c | Fire Controlman, First Class |
| FC2c | Fire Controlman, Second Class |
| FC3c | Fire Controlman, Third Class |
| FCAHQPRCE | First Canadian Army Headquarters Platoon, Royal Canadian Engineers |
| FCAIOPCIC | First Canadian Army Intelligence Officers Pool, Canadian Intelligence Corps |
| FCAIS | First Canadian Army Intelligence School |
| FCASIGPHQ | First Canadian Army Service Increment Group Headquarters |
| FCASS | First Canadian Army Sniping School |
| FCATCCRCASC | First Canadian Army Troops Composite Company, Royal Canadian Army Service Corps |
| FCATRTC | First Canadian Army Troops Reinforcement Transit Camp |
| FCATW/SRCOC | First Canadian Army Troops Workshop, Royal Canadian Ordnance Corps |
| FCC | Fleet Constructor Officer |
| FCCP | Forage Caps Concert Panty |
| FCCRS | Fighter Command Control & Reporting School |
| FCCS/F | Fighter Command Communication Squadron/Flight |
| FCCU | Fighter Control Cooperation Unit |
| FCDCASS | "Forage Caps" Detachment Canadian Auxiliary Services Section |
| FCIRS/F | Fighter Command Instrument Rating Squadron/Flight |
| FCITF/S | Fighter Command Instrument Training Flight .Squadron |
| FCMPC | Fighter Command Missile Practice Camp |
| FCO | Field Cash Office |
| FCP | Family Care Plan |
| FCPU | Ferry Command Preparation Unit |
| FCR | Fire Controlman R Same duties as fire controlman and in addition, range finder operator. |
| FCRCASC | Fortress Company, Canadian Active Service Force |
| FCRCECASF | Field Company Royal Canadian Engineers, Canadian Active Service Force |
| FCRS | Fighter Command Radar School |
| FCS | Facility Checking Squadron |
| FCS | Fighter Command School |
| FCS | Fire Controlman S Submarine fire controlman. |
| FCST | Forecast (U.S.) |
| FCtlmn | Fire Controlman |
| FCTU | Fighter Command Trials Unit |
| FD | Field |
| FD | Fuel Depots |
| FD | Field |
| FD BCHY | Field butchery and cold storage depot |
| FD BKY | Field bakery |
| FD BTD | Field Brigade |
| FD BTY | Field Battery |
| FD COY | Field Company |
| FD ENGR | Engr Field Engineer |
| FD ENGR | Field Engineer |
| FD HYG SEC | Field Hygiene Section |
| FD IMP | Field Imprisonment |
| Fd Pk Coy | Field (Park) Company |
| FD PK Coy | Field Park Company |
| Fd Pk Sqn (Tp) | Field (Park) Squadron (Troop) |
| Fd Sqn | Field Squadron |
| Fd Svy Coy | Field Survey Company |
| Fd. | Field |
| Fd. Coy. | Field Company (Fd Coy) |
| Fd. Ord. | Field Ordnance (Fd Ord) |
| Fd. Ord. Depot | Field Ordnance Depot (Fd Ord Depot) |
| Fd. Pk. Coy. | Field Park Company (Fd Pk Coy) |
| Fd. Regt. Coy. | Field Regiment Company (Fd Regt Coy) |
| Fd. Svy. Coy. | Field Survey Company (Fd Svy Coy) |
| FdAmb | Field Ambulance |
| FDB | Fighter Dive Bomb |
| FDC | Fighter Direction Centre |
| FDE | Final Discharge Establishment |
| FdeMR | Fusiliers de Mont Royal (French only) |
| FDF | Fighter Defence Unit |
| FDL | Ford ward defended locality |
| FDL | Fusiliers de Mont Royal |
| FDL | Forward Defended Locality |
| FDO | Fusiliers de Sherbrooke |
| FDO | Fleet Dental Officer |
| FDS | Field Dressing Station |
| FDS | Field Dressing Station |
| FDS RAC | Forward Delivery Squadron, Royal Armoured Corps |
| FDT | Fighter Direction Tenders |
| FDT | Fire Direction Table |
| FduSL | Fusiliers du St. Laurent |
| FE | Far East |
| FE | Field Engineer |
| FE | Financial Encumbrance |
| FE | Far East or Flight Engineer |
| FE&MCRCE | Fortress E. & M. Company Royal Canadian Engineers |
| FEAF | Far East Air Force |
| FEAFES | Far East Air Force Examination Squadron |
| FEAR | Far East Air Force |
| FEBA | Forward Edge Battle Area |
| FECA | Force Eskimo C.A. |
| FECEF | Far East Casualty Evacuation Unit |
| FEE | Fighter Experimental Establishment |
| FEE OP | Op Field Engineer Equipment |
| FEFEW | Far East Flying Boat Wing |
| FEO | Fire Effects Observer/Officer |
| FEO | Fleet Education Officer |
| FEO | Fleet Engineer Officer |
| FEPOW | Far East Prisoner of War |
| FERMANAGH | County Fermanagh |
| Fervour | Government of Canada Hong Kong (Address used in telegrams) |
| FES | Flight Engineer School; or Field Engineering Squadron |
| FES | Field Educational Section |
| FES | Field Experimental Station |
| FES | Flight Engineer School |
| FETDU | Far East Tactical Development Unit |
| FETS | Far East Training Squadron |
| FETW | Far East Training Wing |
| FF | Field force or fire fighting |
| FF | Fire fighting or field force |
| FF | Fighter Flight/Ferry Flight/Free French |
| FF | Field Force |
| FF | Fire Fighter |
| FF | Fire Fighting |
| FF | Frontier Force or Field Force or Fire Fighting or Fleet Fighter |
| FF PFMP | PFMP Fire Fighters Physical Fitness Maintenance Program |
| FF RIF | Frontier Force Rifles |
| FF YEO | Fife and Forfar Yeomanry (TA) |
| FFAF | Free French Air Force |
| FFC | Field Force Consumption |
| FFDPF | Free French Desert Patrol Flight |
| FFE | Fire for Effect |
| FFFF | Free French Fighter Flight |
| FFH | Frigate, Helicopter. A Frigate type vessel with Helicopter(s) as its primary armament |
| FFH | Frigate, Helicopter Equipped |
| FFI | Free From Infection |
| FFI | French Forces of the Interior |
| FFK | Fort Frontenac Kingston |
| FFP | Final Firing Position |
| FFR | Fleet Fighter Reconnaisance |
| FFReg | The Frontier Force Regiment |
| FFRif | The Frontier Force Rifles Regiment |
| FFY | The Fife and Forfar Yeomanry Regiment |
| FFY | Fife and Forfar Yeomanry |
| FG | Frigate |
| FG OFF | Flying Officer |
| FGCM | Field general court-martial |
| FGCM | Field General Court Martial |
| FGH | Fort Garry Horse |
| FGHRR | Fort Garry Horse Reserve Regiment |
| FGO | Fleet Gunnery Officer |
| Fgt | Frigate |
| FH | Field Hospital |
| FH | Field Hospital |
| FHP | Force Health Protection |
| FHPHIRCAMC | Fort Henry Permanent Hospital Installation, Royal Canadian Army Medical Corps |
| FHQS | Farnham Headquarters Staff |
| FI | Fireman |
| FI | Firing Interval or Fuze Ignition |
| FIBUA | Fighting In Built Up Areas |
| FIC | Fredericton Internment Camp |
| FID | Field Intelligence Department |
| FIDO | Fog Investigation and Dispersal Operation |
| FIFE | Fife |
| FilmPL | Film Projectionist Librarian |
| FIN | Financial |
| Fin Clk | Finance Clerk |
| FIN O | O Financial Officer |
| FinO | Financial Officer |
| Fireftr | Fire Fighter |
| FIS | Flying Instructors School |
| FIS | Foreign Intelligence Section (Naval) |
| FIT | Flight |
| FIU | Fighter Interception Unit |
| FIU | Fighter Interception Unit |
| FL | Flag Lieutenant |
| FL | Flying List |
| FL | Flight Lieutenant |
| FLAK | Anti-Aircraft (gun) |
| FLAMBO | Allied Forces Headquarters OR Air Force Headquarters, Advanced Administrative Echelon |
| FLC | Flag Lieutenant Commander |
| Fld | Field |
| Fld Eng | Field Engineer |
| Fld Pk Coy (or Sqn) | Field Park Company |
| FLD Pk Sqn | Filed Park Squadron |
| FLE | Fleet (U.S.) |
| FLE | Flight Engineer |
| FLET | Forward Location Enemy Troops |
| FLINTS. | Flintshire |
| FLLR | Follower |
| FLO | Flag Liaison Officer |
| FLOT | Forward Location Own Troops; or Flotilla (Flot) |
| FLOT | Flotilla (U.S.) |
| FLOT | Flotilla |
| FLS | Fighter Leaders School |
| FLS(PO) | French Liaison Service, Portsmouth |
| FLT | Flight |
| FLT | Fleet (U.S.) |
| FLT | Flight |
| Flt Eng | Flight Engineer |
| FLT LT | Flight Lieutenant |
| FLT Sgt | Flight Sergeant |
| Flt/Sgt | Flight Sergeant |
| FltSLt | Flight Sub-Lieutenant |
| FLUS | French Language Units |
| FLY | Flight (U.S.) |
| FM | Air Mechanic (Air Frames) |
| FM | Field Marshall |
| FM | Field Marshal |
| FMA | Flight Mechanic Airframes |
| FMA | Forward maintenance area |
| FMA | Forward Maintenance Area |
| FMAS | Financial and Managerial Accounting System |
| FMC | Force Mobile Command |
| FMC | Mobile Command |
| FMC | Field Maintenance Center |
| FME | Flight Mechanic Engines |
| FMHRCAMC | Farnham Military Hospital, Royal Canadian Army Medical Corps |
| FMHRCAMC | Fredericton Military Hospital, Royal Canadian Army Medical Corps |
| FMM | Formation |
| Fmn | Fireman |
| FMN | Formation |
| FMO | Full Marching Order |
| FMO | Field Marching Order |
| FMO | Fleet Mail Officer |
| FMO | Fleet Medical Officer |
| FMO | Fleet Meteorological Officer |
| FMP | Field Message Pad |
| FMR | Fusiliers de Mont Royal (French only) |
| FMR | Frontier Mounted Rifles |
| FMS | Facilities Management Squadron; or Field Maintenance Squadron |
| FMS | Army Repair Ship |
| FMSVF | Federated Malay States Volunteer Force |
| FND | Flinders Naval Depot |
| FNGB | French Navy in Great Britain |
| FNO | Fleet Navigating Officer |
| FO | Field Officer or Flying Officer |
| FO(S) | Flag Officer, Submarines |
| FOA | Field Operations Allowance |
| FOAM | Flag Officer Attached General Headquarters Middle East |
| FOB | Forward Operating Base |
| FOB | Forward Operating Base |
| FOBAA | Flag Of?cer British Assault Area |
| FOC | Flag Officer Commanding |
| FOCOS | Flag Officer Commanding Orkneys and Shetlands |
| FOCRF | Flag Officer Commanding Reserve Fleet |
| FOCRIN | Flag Officer Commanding Royal Indian Navy |
| FOCS | Flag Officer Cruiser Squadron |
| FOCT | Flag Officer Carrier Training |
| FOCWAF | Flag Officer Commanding West Africa |
| FOEA | Flag Officer East Africa and Zanzibar |
| FOGMA | Flag Officer Gibraltar and Mediterranean Approaches |
| FOGMO | Fitting Out Gun Mounting Overseer |
| FOGO | Fitting Out Gunnery Officer |
| FOH | French Official History |
| FOIC | Flag Officer-in-Charge |
| FOICNI | Flag Officer-in-Charge, Northern Ireland |
| Fol | Folio |
| FOLEM | Flag Officer Levant and Eastern Mediterranean |
| FOLUS | Flag Officer Liaison with Cdr. U.S. Naval Forces |
| FOMHRCAMC | Fort Osborne Military Hospital, Royal Canadian Army Medical Corps |
| FONAS | Flag Officer Naval Air Stations |
| FONF | Flag Officer Newfoundland Force |
| FOO | Forward Observation Officer |
| FOO | Forward Observation (or Observing) Officer |
| FOOAF | Flag Officer Overseas Assault Force |
| FOP | Future Operational Planning |
| FOPS | Future Operation Planning Section |
| For | Forestry |
| FOR | Force (U.S.) |
| FORESTERS | Sherwood Foresters (Nottinghamshire and Derbyshire |
| FORESTERS | The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) |
| Foresters (For) | The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) |
| Forf | Forfeits |
| Form | Formation |
| FORSCA | Flag Officer Red Sea and Canal Area |
| Fort (E & M) Coy | Fortress (Electrical and Mechanical) Company |
| Fort Garry | The Fort Garry Horse Regiment |
| FOSY | Flag Officer, Syracuse |
| FOTALI | Flag Officer Taranto, Royal Armoured Corps, Adriatic and for Liaison Duty With Italians |
| FOUO | For Official Use Only FP Ferry Pool |
| FOW, Med | Flag Officer Western Mediterranean |
| FOWIT | Flag Officer Western Italy |
| FOYE | Flag Officer, ''Y'' Entries |
| FP | Field Punishment |
| FP | Field Punishment |
| FPB | Force Polar Bear |
| FPCRCE | Field Park Company, Royal Canadian Engineers |
| FPCRCE(AP) | Field Park Company, Royal Canadian Engineers (Advance Party) |
| FPF | Final Protective Fire |
| FPNo(or#)1or2 | Field Punishment Number One or Two |
| FPO | Fire Prevention Officer |
| FPO | Field Post Office |
| FPP | Ferry Pilots Pool |
| FPS | Fixed Period of Service |
| FPSRCE | Field Park Squadron, Royal Canadian Engineers |
| FPSRCE(A)D | Field Park Squadron, Royal Canadian Engineers (Armoured) Division |
| FPTCRCE | Field Park Troop Company, Royal Canadian Engineers |
| FPU | Ferry Preparation Unit; or Film Production Unit |
| FR | Fighter Reconnaissance |
| FR | Fishermen's Reserve |
| FR | Fighter Reconnaisance |
| Fr,Fro | From |
| FR(S-P)RCA | Field Regiment (Self-Propelled), Royal Canadian Artillery |
| FR&I | Financial Regulations & Instructions |
| FRA | Freetown Area |
| Frac | Fractured - medical term for a broken bone |
| FRADO | Fleet Radar Officer |
| FRD | Forward Repair Depot |
| FREQ | Frequency |
| FREQ | Frequency |
| Fri | Frigate |
| FRMO | Fleet Royal Marine Officer |
| FRO | Fleet P. and Radio Telephony Officer |
| FRRCHA | Field Regiment, Royal Canadian Horse Artillery |
| FRS | Flying Refresher School |
| FRT | Forward Repair Team |
| FRT | Fortress |
| FRU | Field Repair Unit/Fleet Requirements Unit |
| FS | Fighting School |
| FS | Field service or field security |
| FS | Financial Superintendent |
| FS | Flat Scow |
| FS | Flight Sergeant |
| FS | Flying School or Flight Sergeant or Field Service or Field Security or Flash Spotting |
| fs | Feet per Second |
| FS Offr | Field Security Officer |
| FS Sec | Field Security Section |
| FSA | Fleet Signal Assistant |
| FSA | Food Service Attendant |
| FSAF&G | Fleet School of Aerial Fighting & Gunnery School |
| FSBRCA | Flash Spotting Battery, Royal Canadian Artillery |
| FSC | Farnham Summer Camp |
| FSD | Field Supply Depot or Field Servicing Dressing |
| FSDRCE | Field Survey Depot, Royal Canadian Engineers |
| FSDS | Fighter Support Development Squadron |
| FSgt | Flight Sergeant |
| FSjt | Flight Sergeant |
| FSL | Field Searchlight |
| FSM | Field Service Manual |
| FSMO | Full Service Marching Order |
| FSMO | Field Service Marching Order |
| FSMO | Field Service Marching Order |
| FSO | Fleet Signal Officer |
| FSO | Field Security Officer |
| FSP | Forward Staging Post |
| FSP | Foreign Service Premium |
| FSP | Forward Staging Post |
| FSPB | Field service pocket book |
| FSPB | Field Service Pocket Book |
| FSqn | Fighter Squadron (Royal Canadian Air Force) |
| FSR | Field Service Regulations |
| FSR | Field Service Regulations |
| FSRCCS | Fortress Signals, Royal Canadian Corps of Signals |
| FSRCE | Field Squadron, Royal Canadian Engineers |
| FSS | Ferry Support Squadron; or Flying Selection Squadron |
| FSS | Fixed signal service |
| FSS | Field Security Section |
| FSS | Field Security Section or Fixed Signal Service |
| FSSCRU | Field Security Section Canadian Reinforcement Unit |
| FST | Forward Surgical Team |
| FSTC | Field Security Training Centre |
| FSTS | Fire and Security Training School |
| FSTU | Fighter Support Training Unit |
| FSU | Field surgical unit |
| FSVC | Food Services |
| FSW | Field Security Wing |
| FT | Foot or feet |
| FT | French Translator |
| FT | Foot or Feet or Flame Thrower |
| FTB | Fleet Torpedo Bomber |
| FTC | Flying Training Command |
| FTC | Field Trials Camp |
| FtCdt | Flight Cadet |
| FTCE | Field Troop Canadian Engineers |
| FTCPF | Flying Training Command Practice Flight |
| FTF/U | Ferry Training Flight/Unit |
| FTFLT | Ferry Training Flight |
| FTLU | French Tactical Liaison Unit |
| FTO | Fleet Torpedo Officer |
| FTO | French Technical Officer |
| FtPayr | Fleet Paymaster |
| FTR | Failed to Return |
| FTR | Fitter or Failed to Return |
| FtrCOp | Fighter Control Operator |
| FTS | Flying Training School |
| FTS | Flying Training School |
| FTU | Ferry Training Unit/Floatplane Training Unit/Flight Trials Unit |
| FTU | Field transfusion unit |
| FTU | Ferry Training Unit |
| FTU | Field Transition Unit |
| FU | Ferry Unit |
| FUBAR | F**ked up Beyond All Repair |
| FUP | Forming up place |
| FUP | Forming Up Point (or Position) |
| FUP | Forming UP Place |
| Furl | Furlough |
| FUS | Fusilier(s) |
| FUS | Fusilier |
| Fus de MR | Les Fusiliers Mont-Royal Regiment |
| Fus de Sher | Les Fusiliers de Sherbrooke Regiment |
| Fus de StL | Les Fusiliers du St. Laurent Regiment |
| FusDuSher | Fusiliers de Sherbrooke (French only) |
| FW | Fighter Wing |
| FW | Foreman of Works |
| FW/SRCOC | Fortress Workshop, Royal Canadian Ordnance Corps |
| FWA | Fleet Wireless Assistant |
| FWD | Forward or forwarded |
| FWD | Forward or Forwarded |
| Fwd. | Forward |
| Fwm | Forewoman |
| FWO | Fleet Wireless Officer |
| FWS | Fighter Weapons School |
| FWTCRCA | Fortress Weapon Training Camp, Royal Canadian Artillery |
| FY | Patrol Vessel, Yacht (U.S.) |
| FYA | Fort York Armouries |
| G | General Staff Branch of the Staff |
| G | Gunnery |
| G | General Staff |
| G (Ops) | General Staff (Operations) |
| G Guards | Grenadier Guards |
| G.H.Q. | General Headquarters (GHQ) |
| G.P.T. | General Purpose Transport (GPT) |
| G.T. | General Transport (GT) |
| G'nr | Gunner - lowest rank in the Royal Canadian Artillery (equivalent to private) |
| G/C | Group Captain |
| G&SF | Grey & Simcoe Foresters |
| G1 | General Staff Officer Grade 1 |
| G2 | General Staff Officer Grade 2 |
| G3 | General Staff Officer Grade 3 |
| GA | Gunnery Armourer |
| GAF | Granted Annual Furlough |
| GAF | German Air Force |
| GAL | Gallon |
| GAL | Gallon |
| GAT | Guantanamo-Trinidad convoy |
| GATES | German Army Training Establishment Shilo |
| GATU | Ground Attack Training Unit |
| GB | Garrison Battalion |
| GBCODRCOC | Goose Bay Company Ordnance Depot, Royal Canadian Ordnance Corps |
| GBD | Goose Bay Defences |
| GBD | General Base Depot |
| GBE | Knight Grand Cross of the Order of the British Empire |
| GBE | Knight Grand Cross of the Order of the British Empre |
| GBMS | Great Britain Merchant Ships (a wireless message routine) |
| GBSRCASC | Goose Bay Section, Royal Canadian Army Service Corps |
| GC | Gliding Centre; or Groupe de Chasse; or Good Conduct |
| GC | George Cross |
| GC | Greek Catholic |
| GC | Good Conduct Badge - award for good conduct during service |
| GC | Group Captain or Good Conduct or George Cross or Guncotton |
| GC BADGE | badge Good Conduct Badge |
| GCA | Ground Controlled Approach |
| GCACon | Ground Controlled Approach Controller |
| GCAOS | Ground Controlled Approach Operation School |
| GCAS | Ground Controlled Approach Squadron |
| GCATU | Ground Controlled Approach Training Unit |
| GCB | Knight Grand Cross of the Order of the Bath |
| GCC | Group Control Centre |
| GCC | General Construction Company |
| GCCS | Global Command and Control System (Maritime) |
| GCCS | Government Code and Cypher School |
| GCF | Gunnery Co-operation Flight/Group Communication Flight |
| GCHQ | Government Communications HQ |
| GCI | Ground Controlled Interception |
| GCI | Ground Control Interception |
| GCM | General court-martial |
| GCM | General Court Martial |
| GCM | General Court Martial |
| GCMG | Knight Grand Cross of the Order of St.Michael and St.George |
| GCMG | Knight Grand Cross of St. Michael and St. George |
| GCMG | Knight Grand Cross of the Order of St. Michael and St. George |
| GCS | Ground Controlled Squadron |
| GCSI | Knight Grand Commander of the Order of the Star of India |
| GCT | Ground Combat Training |
| GCT | Greenwich Civil Time |
| GCU | Graves Concentration Unit |
| GCVO | Knight Grand Cross of the Royal Victorian Order |
| GCVO | Knight Grand Cross of the Royal Victorian Order |
| GD | General Duties |
| GD | Guard |
| GD | General Duties |
| GD | Group Duties |
| GD | Guard or General Duties |
| GDA | Gun Defended Area |
| GDC | Group Disbandment Centre |
| Gdefmn | Ground Defenceman |
| Gdfk | Goldflake |
| GDGS | Group Defence Gunnery School |
| GDL&RS | Guard Detachment Lanark & Renfrew Scottish Regiment |
| GDP | General Defence Plan |
| GDS | Guards |
| GDS ARMD | Guards Armoured (Division) |
| GDSM | Guardsman or guardsmen |
| Gdsm | Guardsman |
| GDSM | Guardsman or Guardsmen |
| GDSMGR | Guards Machine Gun Regiment |
| GDSN | Guardsman or guardsmen |
| GE | George Cross |
| GE | Garrison Engineer |
| GEC | General Employment Company |
| GED | Ground Equipment Depot; or General Educational Development |
| GEN | General |
| Gen | General - commanding officer at division or corps level |
| GEN | General |
| Gen Hosp | General Hospital |
| GEN HOSP | General Hospital |
| Gen Pnr Coy | General Pioneer Company |
| Geo | Geographical Section, General Staff |
| GEP | General Equipment Park |
| GEP | General Equipment Park |
| GES | Glider Exercise Squadron |
| GEU | Glider Exercise Unit |
| GF | Operation ''Goldflake'' |
| GF | Gun Fire |
| GFORCE | Labrador |
| GG | Ground Gunnery |
| GG | Ground Gunnery |
| GGDS | Grenadier Guards |
| GGFG | The Governor General?s Foot Guards Regiment |
| GGFG | Governor General's Foot Guards (Now 21st Armoured Regiment) |
| GGHG | The Governor General?s Horse Guards Regiment |
| GGHG | Governor General's Horse Guards |
| GGS | Ground Gunnery School |
| GH | General Hospital |
| GH | General Hospital |
| GHld | The Glasgow Highlanders Regiment |
| GHMHRCAMC | Gordon Head Military Hospital, Royal Canadian Army Medical Corps |
| GHQ | General Headquarters |
| GHQ | Group Headquarters |
| GHQ | General Headquarters - command centre from which corps or army commanders direct the war |
| GHQ | General Headquarters |
| GHQ&LofCTSI | General Headquarters and Line of Communication Troops Service Increment |
| GHQEIC | General Headquarters Echelon Indian Command |
| GHQRUHofC | General Headquarters Reconnaissance Unit Highlanders of Canada |
| GHQSWPA | General Headquarters South West Pacific Area |
| GHRCAMC | General Hospital, Royal Canadian Army Medical Corps |
| GI | Ground Instructional |
| GI | Gunnery Instructor |
| GIC | Gliding Induction Course (Air Cadets) |
| GIF | Glider Instructors Flight |
| GIP | Grid Intersecting Point |
| GIRO | General Instructions Routing Officers |
| GIS | Glider Instructors School |
| GIS | Ground Instructors School |
| GJL | Granted Jewish Leave |
| GL | Gun Laying (radar) |
| GL | General List or Gun Laying or Gun Light (radio direction finding) |
| GLAM. | Glamorgan |
| GlamYeo | Glamorgan Yeomanry |
| GLAS H | Glasgow Highlanders (TA) |
| GLASGOW | Glasgow |
| GLICHRCAMC | Grande Ligne Internal Camp Hospital, Royal Canadian Army Medical Corps |
| GLIDER | Glider Pilot Regiment |
| GLIDER P REGT | Glider Pilot Regiment |
| GLOSTERS | Gloucestershire Regiment |
| GLOSTERS | The Gloucestershire Regiment |
| Glosters (Glos) | The Gloucestershire Regiment |
| GLOUC | Gloucester |
| GloucR | Gloucestershire Regiment |
| GLOUCS. | Gloucestershire |
| GLS | General Labour Section |
| GM | Gunner's Mate Take charge of gun and crew. Assemble and fire all types of guns. Handle ammunition. Handle mines and depth charges. |
| GM | George Medal |
| GM | George Medal or Ground-Maximum (horse power) |
| GM1c | Gunner's Mate, First Class |
| GM2c | Gunner's Mate, 2d Class |
| GM3c | Gunner's Mate, 3d Class |
| GMA | Gibraltar, Morocco Area |
| GMC | General Military Course |
| GMHRCAMC | Gaspe Military Hospital, Royal Canadian Army Medical Corps |
| GMHRCAMC | Gravenhurst Military Hospital, Royal Canadian Army Medical Corps |
| GMO | Gun Mounting Overseer |
| GMP | Garrison Military Police |
| GMT | Greenwich Mean Time |
| GMT | General Military Training or Greenwich Mean Time |
| GN | Guantanamo-New York convoy |
| GNA | Greek Naval Attache |
| GND | ground |
| GNLO | Greek Naval Liaison Officer |
| GNR | Gunner (private in artillery) |
| GNR | Gunner |
| Gnr | Gunner - lowest rank in the Royal Canadian Artillery (equivalent to private) |
| GNR | Gunner |
| GO | Greek Orthodox (Church) |
| GO | Gunnery Officer |
| GO | General Order |
| GO | General Order |
| GO(s) | General Order(s) |
| GOC | General Officer Commanding |
| GOC | Government of Canada |
| GOC | General Officer Commanding |
| GOC | General Officer Commanding - highest ranking general, usually at corps level |
| GOC | General Officer Commanding |
| GOC (in C) | General Officer Commanding (in Chief) - highest ranking general, usually at corps level |
| GOC-IN-C | General Officer Commanding-in-Chief |
| GOCHMSRCAMC | Garnons Officers Convalescent Home Military Staff, Royal Canadian Army Medical Corps |
| GOCinC | General Staff (Operations) |
| GOCRA | General Officer Commanding Royal Artillery |
| GOCRM | General Officer Commanding Royal Marines |
| GOH | German Official History |
| GOR | Gun Operational Room |
| GOR | Gun Operation Room |
| GORD | The Gordon Highlanders |
| GordHighrs | Gordon Highlanders |
| GORDONS | Gordons Highlanders |
| Gordons (Gdn) | The Gordon Highlanders Regiment |
| GOSShip | Norwegian Whaler |
| GOTU | Glider Operational Training Unit |
| Gov-Gen | Governor General |
| Gov. | Government |
| GP | General Purpose |
| GP | Group |
| GP | Group or General Purpose or Gunpowder |
| GP (C) | Group Captain |
| GP (COMDR) | Group Commander |
| GP CF | CF Group Conversion Flight |
| Gp. | Group |
| GP/DA | Group Disposal Account (book-keeping exercise for damaged aircraft) |
| GPCRCE | General Pioneer Company, Royal Canadian Engineers |
| GPEU | Glider Exercise Unit |
| GPIS | Glider Pilot Instructors School |
| GPL | Granted Privileged Leave |
| GPMG | General Purpose Machine Gun |
| GPMHRCAMC | Grande Prairie Military Hospital, Royal Canadian Army Medical Corps |
| GPO | Gun Position Officer |
| GPO | Gun Position Officer |
| GPOA | Gun Position Officer Assistant |
| GPR | Glider Pilot Regiment |
| GPR | Glider Pilot Regiment |
| GPS | Global Positioning System |
| GPSRCE | General Pioneer Section, Royal Canadian Engineers |
| GPT | General Purpose Transport |
| GPUTF | Glider Pick-up Training Unit |
| GQA | Government Quality Assurance |
| GR | General reconnaissance |
| GR | Group (US) |
| GR | Gunner or Gurkha Rifles or General Reconnaissance |
| GR | George Rex (George King) |
| GR | Garhwal Regiment |
| GR&ANS | General Reconnaissance and Air Navigation School |
| GRC | Graves Registration Cross |
| GREEN HOWARDS | Green Howards (Alexandra, Princess of Wales Own |
| Green Howards (GrnH) | The Green Howards (Alexandra, Princess of Wales's Own Yorkshire Regiment) |
| GREN | Grenades |
| GREN GDS | Grenadier Guards |
| GREN GDS | Grenadier Guards |
| Gren Gds (GG) | The Grenadier Guards Regiment (The First or Grenadier Regiment of Foot Guards) |
| GREYS | The Royal Scots Greys Regiment (2nd Dragoons) |
| GREYS | The Royal Scots Greys (2nd Dragoons) |
| GreySimFor | Grey & Simcoe Foresters |
| GRF | Ground Radar Fitter |
| GRI | George Rex et Imperator (George King and Emperor) |
| GRICS | Ground Radio Installation Clearance Service (security clearance for visitors) |
| GRif | The Royal Garhwal Rifles Regiment |
| GRN | Garrison |
| GRN | Garrison |
| Grn. | Garrison |
| GRO | General routine order |
| GRO | General Routine Order |
| GRP | Group |
| Grp. | Group |
| GRS | General Reconnaissance School |
| GRS | General Reconnaissance Squadron |
| GRSF | Ground Radio Servicing Flight |
| GRSS | Ground Radio Servicing Squadron |
| GRSTD | Gun Room Steward |
| GRT | Gross Registered Tonnage |
| GRU | General Reconnaissance Unit |
| GRU | General Reinforcement Unit |
| GRU | Graves Registration Units |
| GRU | Graves Registration Unit or Gunnery Research Unit |
| GRU/F | General Reconnaissance Unit/Flight |
| GRUNT | Slang Word For An Infantryman |
| GS | Gliding School; or General Specification; or Grading School |
| GS | General service or general staff |
| GS | Greek Ship |
| GS | Greenland-Sydney Convoy |
| GS | General Staff |
| GS | General Service |
| GS | General Staff or General Service or Gliding School |
| GSB | General Staff Branch |
| GSC | General Service Corps |
| GSC | Gunnery Staff Course |
| GSC | General Service Corps |
| GSE | Glider Servicing Echelon |
| GSF | Glider Servicing Flight |
| GSF | The Grey and Simcoe Foresters Regiment |
| GSF | Gulf Sea Frontier |
| GSGS | Geographical Section General Staff |
| GSL | Granted Short Leave |
| GSM | General Service Medal |
| GSO | General staff officer (with Arabic or Roman enumeration appended to show grade) |
| GSO | General Staff Officer |
| GSO | General Staff Order |
| GSO | General Staff Officer |
| GSO 1 | General Staff Officer Grade 1 |
| GSO 1, 2, or 3 | General Staff Officer, 1st, 2nd or 3rd Grade |
| GSO 2 | General Staff Officer Grade 2 |
| GSO 3 | General Staff Officer Grade 3 |
| GSO1 | General Staff Officer, Grade 1 |
| GSP | Government Security Policy |
| GSP | General Staff Planning |
| Gsr | Greaser |
| GSSR | General Service Special Reserve |
| GSU | Group Support Unit |
| GSW | Gunshot Wound |
| GSW | Gun Shot Wound - wound caused by a bullet |
| GSW | Gunshot wound or General Service Wagon |
| GT | coy General transport company |
| GT | Granted |
| GTC | Government Telegraph Code |
| GTC(RCASC)CD | General Transport Company, (Royal Canadian Army Service Corps), Canadian Division |
| Gtd | Granted |
| GTD | Granted |
| GTF | Gunnery Training Flight |
| GTPS | Glider & Tug Pilots School |
| GTS | Glider Training Squadron; or Glider Training School |
| GTS | Glider Training School |
| GU | Grading Unit |
| GU | Gunner |
| GU | Gibraltar-United States Convoy |
| GUAS | Glasgow University Air Squadron |
| GUI | Guide |
| Gunner (T) | Torpedo Gunner |
| Gurk | The Gurkha Rifles Regiment |
| GV | Gate Vessels |
| GWCBD | "G" Wing Canadian Base Depot |
| GWCFC | General Workshop, Canadian Field Company OR Canadian Forestry Corps |
| GWDS | Guided Weapon Development Squadron |
| GWF | Ground Wireless Fitter |
| GWOT | Global War On Terror |
| GWTS | Guided Weapon Training Squadron |
| GZ | Guantanamo-Panama convoy |
| H | Head or Honorary or Horse or Household or Hussars or Hygiene |
| H CAV | Household Cavalry |
| H Div | Medical, dental |
| H-V (P) | Officers of the Volunteer Reserve appointed in a probationary status who are students in medical or dental colleges. |
| H-V (S) | Officers of the Volunteer Reserve appointed for special service and assignment to the Medical Corps. |
| H.A.A. | Heavy Anti-Aircraft (HAA) |
| H.L.I. of C. | The Highland Light Infantry of Canada |
| H.M.C.S. | His Majesty's Canadian Ship |
| H.M.S. | His Majesty's Ship |
| H.Q. | Headquarters (HQ) |
| H(21AG) | Hospitalization Central Mediterranean Force (Allied Armies Italy) |
| H/ | Honourary (Rank) |
| H/ | Honorary (Rank) |
| H/ | Honorary or Honourable |
| H/Capt | Honorary Captain |
| H/Capt | Honorary Captain (Canadian Chaplain Service) |
| H/F | High Frequency |
| H&NPAO | Hamilton & Niagara Peninsula Area Orders |
| H&PER | Hastings & Prince Edward Regiment |
| HA | Hospital Apprentice Know minor surgery, first aid and nursing. Maintain sanitary conditions. |
| HA | Honours & Awards (Records) |
| HA | Hygiene Assistant |
| HA | Halifax-Aruba convoy |
| HA | Heavy Artillery or High Angle |
| HA(A)DRCE | Headquarters (Armoured) Division, Royal Canadian Engineers |
| HA/LA | High Angle, Low Angle (gunnery) |
| HA1c | Hospital Apprentice, First Class |
| HA2c | Hospital Apprentice, Second Class |
| HAA | Heavy Anti Air |
| HAA | Heavy Anti-Aircraft |
| HAA | Heavy Anti-Aircraft |
| HAABRCA | Heavy Anti-Aircraft Battery, Royal Canadian Artillery |
| HAAPC | Heavy antiaircraft Practice Camp |
| HAAR(M)RCS | Heavy Anti-Aircraft Regiment (Mobile) Royal Canadian Signals |
| HAARSRCASC | Heavy Anti-Aircraft Regiment Section, Royal Canadian Army Service Centre |
| HAARW/SRCEME | Heavy Anti-Aircraft Regiment Workshop, Royal Canadian Electrical and Mechanical Engineers |
| HAARW/SRCOC | Heavy Anti-Aircraft Regiment Workshop Section, Royal Canadian Ordnance Corps |
| HAB | High-altitude Bombing |
| HAC | Honourable Artillery Company |
| HAC | Honourable Artillery Company |
| HACArt | Honourable Artillery Company, Artillery Section |
| HACInf | Honourable Artillery Company, Infantry Section |
| HAD | Home Aircraft Depot |
| HAD | Heavy Air Defence |
| HAG | Heavy Artillery Group |
| HAL | Halifax Approval Letter |
| Hal Rif | The Halifax Rifles |
| HALLAMS | Hallamshire Battalion, York and Lancaster Regiment (TA) |
| Hallams (Halm) | The Hallamshire Battalion (Y & L) |
| HalRif | Halifax Rifles |
| HAMPS | Hampshire Regiment |
| HAMPS | The Hampshire Regiment |
| Hamps (Hamp) | The Hampshire Regiment |
| HampsR | Hampshire Regiment |
| HampsY | Hampshire Yeomanry |
| HANTS. | Hampshire |
| HAR | Heavy Artillery Reserve |
| Hast & PER | The Hastings and Prince Edward Regiment |
| HATS | Hull, Armament, Turret, Suspension |
| HAV | Havildar |
| HAVR | Havildar |
| HAZMAT | Hazardous Material |
| HB | Heavy Bomber |
| HB | Hostile Battery |
| HB | Heavy Bomber |
| HBCU | (Heavy Bomber) Conversion Unit |
| HC | Harbour Craft |
| HC | Headquarters Company |
| HC | Honorary Captain |
| HC-V (G) | Officers of the Volunteer Reserve appointed for general service in the Hospital Corps. |
| HC-V (S) | Officers of the Volunteer Reserve appointed for special service in the Hospital Corps. |
| HCA | Health Care Administrator |
| HCB | Halifax Coast Brigade |
| HCC | Hospital Conveyance Corps |
| HCCS | Home Command Communications Squadron |
| HCD | High Current Density |
| HCEU | Home Command Examining Unit |
| HCF | Helicopter Communications Flight; or Home Communications Flight |
| HCMF(AAI) | Hospitalization Central Mediterranean Force (Allied Armies Italy) |
| HCR | The Household Cavalry Regiment |
| HCU | Heavy Conversion Unit |
| HCVDF | Hong Kong Volunteer Defence Force |
| HD | Home Defence or horse drawn |
| HD | Holding Depot |
| HD | Home Defence |
| HD | Head or Home Defence or Horse-drawn |
| HDC | Harbour Defence Craft |
| HDLG SQN | Sqn Handling Squadron |
| HDML | Harbour Defence Motor Launch |
| Hdmstr | Headmaster |
| HDPC | Harbour Defence Patrol Crafts |
| Hdqrs | Headquarters |
| HDU | Helicopter Development Unit |
| HE | High Explosive; Home Establishment (movements) |
| HE | Holding Establishment |
| HE | High Explosive |
| HE | His/Her Excellency |
| HE | High Explosive or Home Establishment or Home Embarkation or Horizontal Equivalent |
| HEAP | High Explosive Armour-piercing |
| HEAT | High Explosive Anti Tank |
| HEDA | High Explosive delayed-action fuze |
| HEDELAY | High Explosive Graze Fuze With Delay |
| HEGRAZ | High Explosive graze fuze |
| HEIT | High Explosive Incendiary Tracer |
| HEL | Helicopter |
| HEMTT | Heavy Expanded Mobility Tactical Truck |
| HEP | Height Filtering Position |
| HEREF. | Herefordshire |
| HEREFORD | Herefordshire Regiment (TA) |
| HerefordR | Herefordshire Regiment |
| Hert | The Herfortshire Regiment |
| HERT | Hertfordshire Regiment |
| HERTS | Hertfordshire Regiment (TA) |
| HERTS. | Hertfordshire |
| HertsR | Herefordshire Regiment |
| HES | High Explosive Substitute |
| HETF | High Explosive Time Fuze |
| HETIM | High Explosive Time Fuze |
| HF | Harrassing fire or high frequency |
| HF | Harassing Fire |
| HF | Home Fleet |
| HF | Home Forces or High Frequency or Home Fleet or Hostile Fire or High Frequency |
| HF/DF | High Frequency Direction Finding |
| HFDF | High Frequency Direction Finding |
| HFF | Heavy Freight Flight |
| HFSC | Headquarters Farnham Summer Camp |
| HFU | Home Ferry Unit |
| HG | Home Guard |
| HG | Hotchkiss Gun or Home Guard |
| HGCU | Heavy Glider Conversion Unit |
| HGHRCAMC | Horley General Hospital, Royal Canadian Army Medical Corps |
| HGMU | Heavy Glider Maintenance Unit |
| HGSU | Heavy Glider Servicing Unit |
| HGTU | Heavy Glider Training Unit |
| HHT | House Hunting Trip |
| HighCycBn | Highland Cyclist Battalion |
| HIGHLAND R | Highland Regiment |
| HighLI | Highland Light Infantry |
| HIH | His (Her) Imperial Highness |
| HIM | His (Her) Imperial Majesty |
| HK | Hong Kong |
| HKAAF | Hong Kong Auxiliary Air Force |
| HKFS | Hong Kong Fighter Squadron |
| HKRgt | Hong Kong Regiment |
| HKS | Hong Kong and Singapore |
| HKSRA | Hong Kong and Singapore Royal Artillery |
| HKVA | Hong Kong Volunteer Air Force |
| HKVDC | Hong Kong Volunteer Defense Corps |
| HKVDC | Hong Kong Volunteer Defence Corps |
| HLC | Harbour Launch Company |
| HLD | Higgins Tank Lighter |
| HLI | Highland Light Infantry (City of Glasgow Regiment) |
| HLI | The Highland Light Infantry Regiment (City of Glasgow Regiment) |
| HLI | (29th Regiment) Highland Light Infantry of Canada |
| HLI | The Highland Light Infantry |
| HLIofC | The Highland Light Infantry Regiment of Canada |
| HLIofC | Highland Light Infantry of Canada |
| HLMHRCAMC | Howe Lake Military Hospital |
| HLVW | Heavy Lift Vehicle, Wheeled; or Heavy Logistics Vehicle Wheeled |
| HLVW | Heavy Logistics Vehicle Wheeled |
| HM | Her/His Majesty |
| HM | Hull Mechanic |
| HM | His/Her Majesty |
| HM(C)S | His/Her Majesty's (Canadian) Ship |
| HMA | Honorary Major |
| HMAS | His Majestys Australian Ship |
| HMAT | His/Her Majesty's Auxiliary Transport |
| HMB | Heavy Mortar Battery |
| HMCoastGd | His/Her Majesty's Coast Guard |
| HMCS | Her Majesty's Canadian Ship |
| HMCS | His/Her Majesty's Canadian Ship |
| HMCS | His Majesty's Canadian Ship |
| HMFD | Having Moved From District |
| HMG | Heavy Machine Gun |
| HMG | Heavy Machine Gun |
| HMHRCAMC | Hamilton Military Hospital, Royal Canadian Army Medical Corps |
| HMHRCAMC | Huntingdon Military Hospital, Royal Canadian Army Medical Corps |
| HMHRCAMC | Halifax Military Hospital, Royal Canadian Army Medical Corps |
| HMIS | His Majesty's Indian Ship |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (Humvee) |
| HMS | His/Her Majesty's Ship (UK) |
| HMS | His/Her Majesty's Ship - vessel under the control of the Royal Navy |
| HMS | His/Her Majesty's Service |
| HMS | His/Her Majesty's Ship |
| HMSAS | His Majesty's South African Ship |
| HMT | His/Her Majesty's Transport Ship |
| HMT | His/Her Majesty's Transport |
| HMT | His/Her Majesty's Troopship - designated ship carrying troops between Canada and England and England and France |
| HMTS | His/Her Majesty's Troopship - designated ship carrying troops between Canada and England and England and France |
| HNU | Head Nurse |
| HO | Hospital Orderly |
| HOCF | Helicopter Operational Conversion Flight |
| HOFOR | Home Forces |
| Hon | Honourable |
| Hon | Honorary |
| Hon. | The Honourable |
| HONO | Honolulu (U.S.) |
| HOS | Hospital |
| HOSE | Hospital Sergeant |
| HOSP | Hospital |
| Hosp | Hospital - designated location where soldiers receive medical treatment |
| HOSP | Hospital |
| Hosp. | Hospital |
| HouseholdBn | Household Battalion |
| HOW | Hozitzer |
| how | howitzer |
| HOW | Howitzer - an artillery weapon (various calibres) capable of firing shells in a low or high arc |
| HOW | Howitzer |
| HP | High power or horse power |
| HP | Hospital Plant |
| HP | High power (radio set) or Horse Power or Hospital Pattern (tent) |
| HPC | Harbour Patrol Crafts |
| HPMC | Hasting Park Military Camp |
| HPTM | Hauptman |
| HQ | Headquarter(s) |
| HQ | Headquarters - command centre for a military unit in the field (company level and above) |
| HQ | Headquarters |
| HQ AC | AC Headquarters Air Cadets |
| HQ ATA | ATA Headquarters Air Transport Auxiliary |
| HQ EFT | EFT Headquarters Elementary Flying Training |
| HQ FPP | FPP Headquarters Ferry Pilots Pool |
| HQ P&SS | P&SS Headquarters Provost & Security Services ('Snowdrops') |
| HQ PTC | PTC Headquarters Personnel & Training Command |
| HQ RA | Headquarters Royal Artillery |
| HQ STC | STC Headquarters Strike Command |
| HQ TAF | TAF Headquarters Tactical Air Force |
| HQ-CAPO(GS&AS) | Headquarters - Canadian Army Post Office (General Staff & Administrative Staff) |
| HQ, Hqs | Headquarters |
| HQ''B"GCHU | Headquarters ''B'' Group Canadian Holding Unit |
| HQ''D''GRU | Headquarters ''D'' Group Reinforcement Unit |
| HQ"C"F | Headquarters ''C'' Force |
| HQ(A)D | Headquarters (Armoured) Division |
| HQ&BD | Headquarters & Base Details |
| HQ1stD | Headquarters 1st Division |
| HQ2CdnAGRA | (Headquarters 2 Canadian) Army Group Royal Artillery |
| HQAAB | Headquarters Anti-Aircraft Brigade |
| HQAABRCA | Headquarters Anti-Aircraft Brigade, Royal Canadian Artillery |
| HQAC | Headquarters Atlantic Command |
| HQACS | Headquarters Atlantic Command Signals |
| HQADGB | Headquarters, Air Defence Great Britain |
| HQATAFCA | Headquarters Army Troops Area First Canadian Army |
| HQATD | Headquarters Army Troops Details |
| HQATSSRCS | Headquarters Army Terminals Signal Section, Royal Canadian Signals |
| HQBA | Headquarters Base Area |
| HQBC | Headquarters Bomber Command |
| HQBD(GS&AS) | Headquarters Botwood Defences (General Staff & Administrative Staff) |
| HQBTNI | Headquarters British Troops in Northern Ireland |
| HQBU | Headquarters Base Unit |
| HQCA | Headquarters Coastal Command |
| HQCAA&A-TGRCA | Headquarters Canadian Anti-Aircraft & Anti-Tank Group, Royal Canadian Artillery |
| HQCAC | Headquarters Canadian Armoured Corps |
| HQCACRCASC | Headquarters Canadian Artillery Company, Royal Canadian Army Service Corps |
| HQCADARCA | Headquarters Canadian Armoured Division Artillery, Royal Canadian Artillery |
| HQCADREME | Headquarters Canadian Armoured Division, Royal Electrical and Mechanical Engineers |
| HQCAGRCA | Headquarters Canadian Artillery Group, Royal Canadian Artillery |
| HQCAMG | Headquarters Canadian Army Meteorological Group |
| HQCATB | Headquarters Canadian Army Tank Brigade |
| HQCC | Headquarters Canadian Corps |
| HQCCARCA | Headquarters Canadian Corps Artillery, Royal Canadian Artillery |
| HQCCATRCASC | Headquarters Canadian Army Troops, Royal Canadian Army Service Corps |
| HQCCCTCRCASC | Headquarters Command Canadian Corps Transport Column, Royal Canadian Army Service Corps |
| HQCCE | Headquarters Canadian Constructional Engineers |
| HQCCGTC | Headquarters Command Canadian General Transport Column |
| HQCCIDRCASC | Headquarters Command Canadian Infantry Division, Royal Canadian Army Service Corps |
| HQCCTRCE | Headquarters Canadian Corps Troops, Royal Canadian Engineers |
| HQCCTREME | Headquarters Canadian Corps Troops, Royal Electrical and Mechanical Engineers |
| HQCCTTCRCASC | Headquarters Canadian Corps Tank Transporter Column, Royal Canadian Army Service Corps |
| HQCDECA(OS) | Headquarters Canadian Divisional Engineers, Canadian Artillery OR Canadian Army (Overseas) |
| HQCDRCASC | Headquarters Canadian Division, Royal Canadian Army Service Corps |
| HQCDREME | Headquarters Canadian Division, Royal Electrical and Mechanical Engineers |
| HQCEWRCE | Headquarters Chief Engineer Works, Royal Canadian Engineers |
| HQCFC | Headquarters Canadian Forestry Corps |
| HQCFN | Headquarters Canadian Forces in the Netherlands |
| HQCIB | Headquarters Canadian Infantry Brigade |
| HQCID | Headquarters Canadian Infantry Division |
| HQCProC | Headquarters Canadian Provost Corps |
| HQCPS | Headquarters Canadian Postal Services |
| HQCRCASCCCT | Headquarters Commander, Royal Canadian Army Service Corps, Canadian Corps Troops |
| HQCRCEMEFCAT | Headquarters Commander, Royal Canadian Electrical and Mechanical Engineers, First Canadian Army Troops |
| HQCRTCRCS | Headquarters Canadian Railway Telegraph Company, Royal Canadian Signals |
| HQCRU | Headquarters Canadian Reinforcement Unit |
| HQD | Headquarters Details |
| HQDCDCA | Headquarters Deputy Commander First Canadian Army |
| HQDIZB | Headquarters Details Infantry "Z" Brigade |
| HQDPCAPO | Headquarters Defended Port Canadian Army Post Office |
| HQDPofS | Headquarters Defended Port of Sydney |
| HQDPofSJ | Headquarters Defended Port of Saint John |
| HQDRCA | Headquarters Division, Royal Canadian Artillery |
| HQDRCASC | Headquarters Division, Royal Canadian Army Service Corps |
| HQDRCE | Headquarters Division, Royal Canadian Engineers |
| HQDRCE(AA) | Headquarters Division, Royal Canadian Engineers, (Active Army) |
| HQDRCE(RA) | Headquarters Division, Royal Canadian Engineers, (Reserve Army) |
| HQEAFME | Headquarters Royal Air Force, Middle East |
| HQEF | Headquarters Esquimalt Fortress |
| HQFCA | Headquarters First Canadian Army |
| HQFCACAS | Headquarters First Canadian Army Civil Affairs Staff |
| HQFCASRCS | Headquarters First Canadian Army Signals, Royal Canadian Signals |
| HQFCATC | Headquarters First Canadian Army Training Camp |
| HQFCATC | Headquarters First Canadian Army Transport Column |
| HQFMCCC | Headquarters Field Maintenance Centre Canadian Corps |
| HQFMCRCASC | Headquarters Field Maintenance Centre, Royal Canadian Army Service Corps |
| HQGB | Headquarters Greek Bridge |
| HQGCTU | Headquarters Group Canadian Training Units |
| HQGD | Headquarters Gaspe Defences |
| HQHF | Headquarters Home Forces |
| HQHFRCA | Headquarters Halifax Fortress, Royal Canadian Artillery |
| HQLA-CWAC | Headquarters London Area - Canadian Women's Army Corps |
| HQMA | Headquarters Medium Artillery |
| HQMARCA | Headquarters Medium Artillery, Royal Canadian Artillery |
| HQMD | Headquarters Military District |
| HQMD#1 | Headquarters Military District # 1 |
| HQMD#2H&NPC | Headquarters Military District # 2, Hamilton & Niagara Peninsula Command |
| HQMD#3,K | Headquarters Military District # 3, Kingston |
| HQMDNo2(NCD) | Headquarters Military District No. 2 (Niagara Camp Details) |
| HQMDVB | Headquarters Military District Vancouver Barracks |
| HQME | Headquarters Middle East |
| HQNWACAF | Headquarters North-West African Coastal Air Force |
| HQPC | Headquarters Pacific Command |
| HQPRD | Headquarters Prince Rupert Defences |
| HQRA | Headquarters RA (the CRA/CCRA's staff)(headed by Brigade Major RA (BMRA)) |
| HQRCAF | Headquarters Royal Canadian Air Force |
| HQRCD | Headquarters Reconstituted Canadian Division |
| HQRCECAT | Headquarters, Royal Canadian Engineers, Canadian Army Troops |
| HQRCEMECCT | Headquarters, Royal Canadian Electrical and Mechanical Engineers, Canadian Troops |
| HQRCEWO | Headquarters, Royal Canadian Engineers, Works Organization |
| HQS (No) | Distinguishing letters on files of National Defence Headquarters (Army), Ottawa |
| HQS-SDTA | Headquarters Sub-Staff Dunburn Training Area |
| HQS(H)CAD | Headquarters Squadron (Hussars) Canadian Armoured Division |
| HQS&CD | Headquarters Sydney and Canso Defences |
| HQS&S-S | Headquarters Staff and Sub-staff |
| HQSAD | Headquarters Squadron Armoured Division |
| HQSATB (AD) | Headquarters Squadron Army Tank Brigade (Armoured Division) |
| HQSATB (NBRT) | Headquarters Squadron Army Tank Brigade (New Brunswick Regt. Tank) |
| HQSCABAP | Headquarters Squadron Canadian Armoured Brigade Advance Party |
| HQSCNPHQRCS | Headquarters Signals Company, National Defence Headquarters Royal Canadian Signals |
| HQSD | Headquarters Shelburne Defences |
| HQSD(CB)CADAF | Headquarters Squadron Details (Camp Borden), Canadian Armoured Division Active Force |
| HQSF | Headquarters Sydney Fortress |
| HQSG | Headquarters Support Group |
| HQSGCAD | Headquarters Support Group Canadian Armoured Division |
| HQSHDCAPO | Headquarters St. John's Defences Canadian Army Post Office |
| HQSMD | Headquarters Staff Military District |
| HQSPC | Headquarters Staff Petawawa Camp |
| HQSVC | Headquarters Staff Valcartier Camp |
| HQTC | Headquarters Tracadie Camp |
| HQTTCPS | Headquarters Technical Training Command Publicity Section |
| HQV&EF | Headquarters Victoria & Esquimalt Fortress |
| HQVB | Headquarters Vancouver Barracks |
| HQVD | Headquarters Vancouver Defences |
| HQVGofC | Headquarters Veterans Guard of Canada |
| HR | Human Resources |
| HR | Hour |
| HR | Halifax Rifles |
| HR | Hospital Records |
| HR | Human Resources |
| HR | Hour |
| HRC | Heavy Recovery Section |
| Hrfd | The Herefordshire Regiment |
| HRFD | Herefordshire Regiment |
| HRG | Historical Research Group |
| HRH | His (Her) Royal Highness |
| HRH | His/Her Royal Highness |
| HRH | His (Her) Royal Highness |
| HRMS | Human Resources Management System |
| HRPE | Hampton Roads Port of Embarkation. Shortly after its activation 15 June 1942 the port was responsible for combat loading the Western Task Force of the North African invasion assault convoy. |
| HRR | Heals Rifles |
| Hrs | Hours |
| HRS | Heavy Repair Shop |
| HRS | Hussars |
| HRS | Horse |
| HRW(MT)RCASC | Heavy Repair Workshop (Mechanical Transport) Royal Canadian Army Service Corps |
| HS | Home Sister |
| HS | Hellenic Ship |
| HS | Home Service or Hospital Ship |
| HS FLT | Flt High Speed Flight |
| HSBPT | High Speed Battle Practice Target |
| HSCRFU | Home Security Course Reserve Fleet Units |
| HSO | Health Services Officer |
| HSS | Hospital Staff Sergeant |
| HST | High Speed Telegraphist |
| HST | Hospital Steward |
| HSTS | High Speed Target Service |
| HT | High tension or horsed transport |
| HT | Halifax-Trinidad Convoy |
| HT | Hull Technician |
| HT | Horse Transport |
| HT | Horse Transport or Hired Transport or Half Track or High Tension (voltage) |
| HTCU | Heavy Transport Conversion Unit |
| HTech | Hull Technician |
| HTM | Heavy Trench Mortar |
| HTS | Heavy Transport Squadron |
| HTSCU | (Heavy Transport Support) Conversion Unit |
| HU | Holding Unit |
| HUA | Heard, Understood, Acknowledged |
| Hull | Le Regiment de Hull |
| HUMINT | Human Intelligence (information collected from a human source) |
| HUNTS. | Huntingdonshire |
| HuntsCyclistBn | Huntingdonshire Cyclist Battalion |
| HV | High Velocity |
| HVM | Hyper Velocity Missile |
| Hvy | Heavy |
| HWE | Home War Establishment |
| Hwr | Howitzer |
| HX | Halifax (New York) to United Kingdom Convoy |
| HXF | Fast Halifax (New York) to United Kingdom Convoy |
| HY | Heavy |
| HY | Heavy |
| HY ART MAINT SEC | Heavy Artillery Maintenance Section |
| Hy. | Heavy |
| Hybad | The Hyderabad Regiment |
| HYG | Hygiene |
| HYG | Hygiene |
| Hyg. | Hygiene |
| HygTech | Hygiene Technician |
| I | India |
| I | Intelligence Branch of the General Staff |
| I | Interrogation |
| I | India or Indian or Intelligence |
| I (b) | Secret Service Branch of the General Staff |
| I-GEC(A) | Inspector-General Eastern Canada (Army) |
| I-O | Infantry Officers |
| I-V (S)2 | Officers of the Volunteer Reserve appointed for special intelligence duties. |
| I.SIG.S. | Indian Signal Service |
| I''A''toCSGHQEAP | Increment ''A'' to Canadian Section |
| I"E"toHQCT | Increment ''E'' to Headquarters Canadian Troops |
| I(A)HQCAGRA | Increment (A) Headquarters Canadian, Army Group Royal Artillery |
| I/C | In charge |
| I/C | In-Command |
| I/C | In Charge |
| I/O | Intelligence Officer |
| IA | Indian Army |
| IA | Immediate Action |
| IA | Indian Army or Immediate Action |
| IAAD | Inland Area Aircraft Depot |
| IAAS | Inland Area Aircraft School |
| IAC | Indian Armoured Corps |
| IAC | Indian Armoured Corps |
| IACC | Indian Army Corps of Clerks |
| IAF | Indian Air Force |
| IAF | Inspector of Admiralty Fuel |
| IAF | Indian Air Force |
| IAFVR | Indian Air Force Volunteer Reserve |
| IAFVR | Indian Air Force Volunteer Reserve |
| IAM | Institute of Aviation Medicine |
| IAMC | Indian Army Medical Corps |
| IAMC | Indian Army Medial Corps |
| IAMUS | Installation Automated Manpower Utilization System |
| IAO | Indian Army Order |
| IAOC | Indian Army Ordnance Corps |
| IAP | Initial Assessment Phase |
| IAPF | Inland Area Practice Flight |
| IARO | Indian Army Reserve of Officers |
| IAS | Infantry Assault Ships |
| IASC | Indian Army Service Corps |
| IATC | Infantry Advanced Training Center |
| IAVC | Indian Army Veterinary Corps |
| IAVMED | Institution of Aviation Medical CCF Iraq Command Communication Flight |
| IAW | In Accordance With (reference) |
| IAW | In Accordance With |
| IB | Infantry Brigade |
| IBD | Infantry Base Depot |
| IBD | Infantry Base Depot |
| IBDCASF(LS) | Infantry Base Depot, Canadian Active Service Force, (Lorne Scots) |
| IBDP | Infantry Brigade Defence Platoon |
| IBLAD | Infantry Brigade Light Aid Detachment |
| IBofUK&C | Inspection Board of United Kingdom & Canada |
| IBRS | Infantry Brigade Recce Squadron |
| IBSS&WT | Infantry Brigade Signals Section & Wireless Telegraphy |
| IBTS | Individual Battle Task Standards |
| IC | Incident Commander |
| IC | Internal combustion or in charge of |
| IC | In charge or internal combustion |
| IC | Instructional Cadre |
| IC | Internment Camp |
| IC | In Command |
| IC | In Command or In Charge or Intelligence Corps or Inns of Court Regiment |
| ICB | Inspection of Contract Built Ships |
| ICB | Inspector of Contract Built Ships |
| ICB | Inspector of Contract Built Ships (Naval) |
| ICC | Input Control Centre |
| ICCDP | Iceland Coastal Command Daily Programme |
| ICCFS | Inspecting Captain Of Coastal Force Schools |
| ICCPC | Internment Camp Canadian Provost Corps |
| ICCSSMedal | International Commission of Control and Supervision Service Medal (Vietnam) |
| ICCY | Inns of Court and City Yeomanry |
| ICE | Integrated Clothing Ensemble |
| ICEPAT. | Iceland Patrol (U.S.) |
| ICF/S | Italy Communication Flight/Squadron |
| ICFPC | Increment Canadian Field Punishment Camp |
| ICI | Imperial Chemical Industries |
| ICI | Imperial Chemical Industry |
| ICMHRCAMC | Internment Camp Military Hospital, Royal Canadian Army Medical Corps |
| ICR (IC) | The Inns of Court Regiment |
| ICSCS Medal | International Commission for Supervision and Control Service Medal (Indo China) |
| ID | Identification |
| IDC | Imperial Defence College |
| IDC | Imperial Defence College |
| IDE | Imperial Defence College or Inter-Department Cypher |
| IDENT | Identification |
| IdentTech | Identification Technician |
| IDF | Iraq Defence Flight |
| IDF | Indian Defence Force |
| IDGHRCAMC | Infectious Diseases General Hospital, Royal Canadian Army Medical Corps |
| IDSM | Indian Distinguished Service Medal |
| IE | Initial Establishment; or Intermediate Engagement |
| IE | Corps of Royal Indian Engineers |
| IE | Namely or that is to say |
| IE | That is to say or namely |
| IE | Increased Endurance |
| IE | Intermediate Engagement |
| IE | Initial Establishment or Initial Equipment |
| IE | Illegal Enlistment |
| IECS | Improved Environmental Clothing System |
| IED | Improvised Explosive Device |
| IEF | Indian Expeditionary Force |
| IEF | Indian Expeditionary Force |
| IEME | Indian Electrical and Mechanical Engineers |
| IETech | Instrument Electrical Technician |
| IF | Irish Fusiliers |
| IFCCS | Indirect Fire Control Computer Software |
| IFCS | Integrated Fire Control System |
| IFDU | Intensive Flying Development Unit |
| IFF | Identification Friend or Foe |
| IFF | Identification Friend or Foe |
| IFIS | Irish Flying Instructors School |
| IFofC | Irish Fusiliers of Canada (11th Regiment) |
| IFPP | No. 1 Ferry Pilots Pool |
| IFS | Instrument Flying Squadron |
| IFS | Instrument Flying School |
| IFSAC | International Fire Service Accreditation Congress |
| IFTS | Initial Flying Training School |
| IFTU | Instrument Flying Training Unit/Intensive Flying Trials Unit |
| IG | The Irish Guards (The Irish Regiment of Foot Guards) |
| IG | Irish Guards or Instructor of Gunnery |
| IG(CC) | Inspector-General (Central Canada) |
| IGC | Imperial General Council |
| IGds | Irish Guards |
| IGH | Indian General Hospital |
| IGN SAFE | Igniter's Safety Fuze |
| IGT | Initial Gliding Training (Air Cadets) |
| IGTCAC | Instructors Gunnery Team, Canadian Armoured Corps |
| IHC | Indian Hospital Corps |
| IHU | Infantry Holding Unit |
| II | Image Intensifier |
| ILDS | Improved Landmine Detection System (held only by 4 ESR) |
| ILF | Independent Liaison Flight |
| ILH | The Imperial Light Horse Regiment |
| ILP | Individual Learning Plan |
| ILS | Instrument Landing System |
| ILS | Indicator Loop Station |
| IMA | Indian Mountain Artillery |
| IMD | Information Management Directive |
| IMD | Indian Medical Department |
| IMD | Indian Medical Department |
| IMHRCAMC | Ipperwash Military Hospital, Royal Canadian Army Medical Corps |
| IMP | Individual Meal Packets |
| Imp | Imperial |
| IMPT HL | Imprisonment with Hard Labour |
| IMS | Indian Medical Service |
| IMS | Indian Medical Service |
| IMT | Indian Mechanical Transport |
| IMTU | Inspector of Machine Tool Utilisation |
| IN | inch |
| IN | Inspector |
| IN | Inch |
| INAITCoy | Infantry Brigade AIT Company |
| INC | Incendiary |
| INCL | Include, included, including or inclusive |
| Incl | include, included, inclusive or including |
| INCL | Include or included or inclusive |
| IND | India or Indian |
| ind | independent |
| IND | India or Indian |
| IND A | Indian Army |
| Ind. Inf. Bde. | Indian Infantry Brigade (Ind Inf Bde) |
| Ind. Inf. Bde. Ord. Wksp. | Indian Infantry Brigade Ordnance Workshop (Ind Inf Bde Ord Wksp) |
| Ind. Inf. Bde. Sigs. | Indian Infantry Brigade Signals (Ind Inf Bde Sigs) |
| Ind. Inf. Bde. Wksp. | Indian Infantry Brigade Workshop (Ind Inf Bde Wksp) |
| IndefLve | Indefinite Leave |
| INDEP | Independent |
| INDEP | Independent |
| Indep. | Independent |
| INF | Infantry |
| Inf | Infantryman |
| Inf | Infantry |
| INF | Infantry |
| Inf. | Infantry |
| Inf. Bde. | Infantry (Inf Bde) |
| Inf. Bde. A. Tk. Coy. | Infantry Brigade Army Tank Company (Inf Bde A Tk Coy) |
| Inf. Bde. Coy. | Infantry Brigade Company (Inf Bde Coy) |
| Inf. Bde. Gp.Ord. Coy. R.A.O.C | Infantry Brigade Group Ordnance Company, Royal Army Ordnance Corps (Inf Bde Gp Ord Coy RAOC) |
| Inf. Bde. Ord. Coy. | Infantry Brigade Ordnance Company (Inf Bde Ord Coy) |
| Inf. Bde. Ord. Fd. Pk. | Infantry Brigade Ordnance Field Park (Inf Bde Ord Fd Pk) |
| Inf. Bde. Ord. Fd. Pk. Coy. | Infantry Brigade Ordnance Field Park Company (Inf Bde Ord Fd Pk Coy) |
| Inf. Bde. Ord. Wksp. | Infantry Brigade Ordnance Workshop (Inf Bde Ord Wksp) |
| Inf. Bde. Sigs. | Infantry Brigade Signals (Inf Bde Sigs) |
| Inf. Bde. Sigs. Sec. | Infantry Brigade Signals (Inf Bde Sigs Sec) |
| Inf. Bde. Wksp. | Infantry Brigade Workshop (Inf Bde Wksp) |
| INFM | Inform, informed or information |
| INFM | Inform or Information |
| Infm. | Information |
| Infmn | Infantryman |
| INFO | Information |
| INFO | Information |
| INFY | Infantry |
| Inj | Injured |
| INNIS DG | 5th Royal Inniskilling Dragoon Guards |
| INNISKS | Royal Inniskilling Fusiliers |
| INNISKS | The Royal Inniskilling Fusiliers |
| Innisks (Inskn) | The Royal Inniskilling Fusiliers Regiment |
| INNS OF COURT | Inns of Court Regiment |
| INO(W) | Inspector of Naval Ordnance (Woolwick) |
| Inspr | Inspector |
| inst | Instruct, instructed, instruction or instructor |
| INSTAL A | Installations type A |
| INSTR | Instruct, instructed, instruction or instructor |
| Instr | Instruction(al) |
| Instr(s) | Instructor(s) |
| InstrCr | Instructor Commander |
| INT | Intelligence; or Interned |
| INT | CORPS Intelligence Corps |
| int | Intelligence |
| INT | Interpreter |
| INT | Intelligence |
| Int Corps | Intelligence Corps |
| INT O | Intelligence Officer |
| INT O | Intelligence Officer |
| INT OP | Intelligence Operator |
| INT SUM | Sum Intelligence Summary |
| Int. | General Staff Officer 1 (Intelligence) |
| IntC | Internment Camp |
| INTEL | Intelligence (U.S.) |
| INTER | Interpreter |
| INTERCOMM | Intercommunication |
| INTERCOMM | Intercommunication |
| IntOp | Intelligence Operator |
| INTR | Interpreter |
| Intrep | Intelligence Report |
| inv | Invalid |
| Inv"wd" | Invalided Wounded - a soldier transferred away from the front as a result of wounds received in action |
| INVERNESS. | Inverness-shire |
| INWE | Infantry North West Echelon |
| IO | Intelligence officer |
| IO | Indian Officer of Intelligence Officer |
| IO/SB.C.D.C. | Intermediate Overseas Base, Canadian Dental Corps OR Canadian Disciplinary Centre |
| IOA | Indian Ocean Area |
| IOB | Inspector of Booms (Naval) |
| IOC | Instructional Officer Course |
| IOD | Indian Ordnance Department |
| IODE | Imperial Order of the Daughters of the Empire |
| IOM | Isle of Man |
| IOM | Indian Order of Merit |
| IOO | Inspecting ordnance officer |
| IOO | Inspecting Ordnance Officer |
| IOR | Indian Other Ranks |
| IORA | Intelligence Officer Royal Artillery |
| IORAS | Inspection of Reserve Army Stores |
| IORE | Intelligence Officer Royal Engineer |
| IOS | Inspector of Ordnance Services |
| IP | Intellectual property |
| IP | Indian pattern (tent) |
| IPB | Intelligence Preparation of Battlefield |
| IPC | Island Park Camp |
| IPO | Inshore Patrol Officer |
| IPS | Indian Postal Service |
| IQMGS | Inspector Quartermaster General's Service |
| IR | Immediate Reserve; or Individual Reservist |
| IR | Instructor's Regiment |
| IR | Immediate Reserve |
| Ir.Fus.(VR) | Irish Fusiliers (Vancouver Regiment) |
| IR&SU | Immediate Reserve & Support Unit |
| IRA | Irish Republican Army |
| IREM | Inspector of Royal Engineer Machinery |
| IRF | Independent Reconnaissance Flight |
| IRG | Immediate Replenishment Group |
| IrGds | Irish Guards |
| IRIS | Inspector of Radio Installation Services |
| Irish | The Royal Irish Regiment |
| Irish Fus | The Irish Fusiliers of Canada (The Vancouver Regiment) |
| Irish RofC | The Irish Regiment of Canada |
| IrofC | Irish Regiment of Canada |
| IRRU | Instant Readiness Reserve Unit |
| IRS | Intelligence Reports Section (Naval) |
| IRTD | Infantry Reinforcement Training Depot |
| IRU | Immediate Reaction Unit |
| IRV | India Rubber Vulcanized (wire) |
| IRVC | Imperial Railways Volunteer Corps |
| IS | Internal Security |
| IS | Imperial Service or Internal Security |
| IS Tech | Integral Systems Technician |
| IS.C.B. | Inter-Service Communications Board (U.S.) |
| ISAF | International Security Assistance Force |
| ISC | Infantry Section Carrier |
| ISC | Inter Service Committee |
| ISC | Inter-Service Cypher |
| ISC | Indian Staff Corps |
| ISC | Indian Signal Corps or Infantry Section Carrier |
| ISCC | Infantry Section Commander's Course |
| ISCO | Intelligence Section, Combined Operations |
| ISF | Internal Security Flight |
| ISF | Indian State Forces |
| ISF | Internal Security Force |
| ISHQCC | Intelligence Section Headquarters Canadian Corps |
| ISI | Imperial Service Infantry |
| ISO | Imperial Service Order |
| ISO | Companion of the Imperial Service Order |
| ISp | Intelligence Specialist |
| ISTAR | Intelligence, Surveillance, Target Acquisition and Reconnaissance |
| ISTD | Inter-Service Topographical |
| ISTDC | Interservice Training Defence Centre |
| IT | Light or lieutenant |
| IT | Instructional Technique |
| IT&E | Individual Training and Education |
| ITB | Infantry Training Battalion |
| ITC | Infantry Training Centre |
| ITC | Infantry Training Centre |
| ITC(R) | Infantry Training Centre (Reserve) |
| ITD | Infantry Training Depot |
| ITD | Infantry Training Depot |
| ITDUCIC | Infantry Training Demonstration Unit, Canadian Infantry Corps |
| ITech | Instrument Technician |
| ITF | Indian Territorial Force |
| ITF/S | Instrument Raining Flight/Squadron |
| ITM | Inspector of Torpedoes and Mines |
| ItoHQCC | Increment to Headquarters Canadian Corps |
| ItoHQCID | Increment to Headquarters Canadian Armoured Division |
| ITS | Initial Training School |
| ITS | Initial Training School |
| ITW | Initial Training Wing |
| ITW | Infantry Training Wing |
| IW | Individual Weapon |
| IW.C.B.D. | 'I'' Wing Canadian Base Depot |
| IWBB | Improvised Widened Bailey Bridge |
| IWDRE | Inland Waterways & Docks, Royal Engineers |
| IWGC | Imperial War Graves Commission |
| IWT | Inland Water Transport |
| IWT | Inland Water Transport |
| IYB | Imperial Yeomanry Bearer |
| IYH | Imperial Yeomanry Hospital |
| J | Jewish |
| J COMD | Junior Commander |
| J COMD | Junior Commander |
| J/T | Junior Technician |
| J&K | The Jammu and Kashmir Regiment |
| J3 | Joint Staff 3 (Operations and Training) |
| JABCA | Joint Atomic, Biological and Chemical Defensive Warfare School |
| JAG | Judge Advocate General |
| JAG | Judge Advocate General |
| JAN | Joint Army & Navy Radio Procedure |
| JAPIC | Joint Air Photographic Interpretation Centre |
| JARIC | Joint Air Reconnaissance Intelligence Centre |
| JASS | Joint Anti-Submarine School |
| Jat | The Jat Regiment |
| JATE | Joint Air Transport Establishment |
| JATP | Joint Air Training Plan |
| JCU | Jet Conversion Unit (Bomber Command Jet Conversion Unit) |
| JEFTS | Joint Elementary Flying Training Squadron |
| JEHU | Joint Experimental Helicopter Unit |
| JEW | Jewish |
| JFACT&SU | Joint Forward Air Controllers Training & Standards Unit |
| JFHQ | Joint Force Headquarters |
| JGWTU | Joint Guided Weapons Training Unit |
| JHDU | Joint Helicopter Development Unit |
| JHQ | Joint Headquarters |
| JHQ | Joint Headquarters |
| JIMRTTRG | Job Inspector Mechanical Relations Transportation Training |
| JINSTOR | Job Instructor |
| JIX | Unclassified Ships (U.S) |
| JLS | Junior Leader's School |
| JLS | Japanese Language School |
| JLTC | Junior Leader's Training Centre |
| JMC | Johnson Method of Coaching |
| JMHRCAMC | Joliette Military Hospital, Royal Canadian Army Medical Corps |
| JMT | Job method training |
| JNBCD | Joint Nuclear, Biological, and Chemical Defence |
| JNCO | Junior NCO |
| JNCO | Junior Non-commissioned Officer |
| Joiner | Joiner |
| JP | Joint Planners |
| JP | Joint Planning or Justice of the Peace |
| JPTU | Jet Provost Trials Unit |
| JR | R?giment de Joliette (available in french only) |
| JRC | Junior Ranks Club (Mess) |
| JRT | Job Relations Training |
| JSC | Joint Services Committee |
| JSM | Joint Staff Mission |
| JSPI | Joint School of Photographic Interpretation |
| JSSC | Joint Services Staff College |
| JSSPT | School for Jungle Self Preservation Training |
| JSTU | Joint Services Trials Unit |
| JSU | Junior Sergeant |
| JT | Junior Technician |
| JTC | Jasper Training Camp |
| JTC | Junior Training Corps |
| JTF | Joint Task Force (land/air/sea); or Jet Training Flight |
| JTF-2 | Joint Task Force 2 |
| JTF2 | Joint Task Force 2 |
| JTU | Joint Trials Unit |
| JUNC | Junction |
| JUNC | Junction |
| JWE | Joint Warfare Establishment |
| JWEC | Junior War Establishments Committee |
| JWPS | Joint War Production Staff |
| k | knots |
| K | King or King's |
| K Div | Communications (radio, signal, sound, electrical) |
| K&BMHRCAMC | Kingston & Barriefield Military Hospital, Royal Canadian Army Medical Corps |
| KAAU | Kenya Auxiliary Air Unit |
| KAF | Kenya Air Force |
| KAF | Kenya Air Force |
| KAR | The King's African Rifles Regiment |
| KAR | King's African Rifles |
| KAR | King's African Rifles |
| KB | King's Bench or Knight Bachellor of Kite Balloon |
| KBE | Knight Commander of the Order of the British Empire |
| KBO | Kildare Barracks Ottawa |
| KBR | Kellogg Brown and Root |
| KC | King's Commendation |
| KC | Kilocycles |
| KCB | Knight Commander of the Order of the Bath |
| KCB | Knight Commander of the Order of the Bath |
| KCIE | Knight Commander of the Order of the Indian Empire |
| KCMG | Knight Commander of the Order of St. Michael and St. George |
| KCMG | Knight Commander of the Order of St. Michael and St.George |
| KCSI | Knight Commander of the Order of the Star of India |
| KCVO | Knight Commander of the Royal Victorian Order |
| KD | Khaki Drill |
| KD | Khaki Drill |
| KDF | Kenya Defence Force |
| KDG | 1st King's Dragoon Guards |
| KDG | The 1st (King's) Dragoon Guards |
| KDG | 1st King's Dragoon Guards |
| KE ROUND | Round Kinetic Energy Round |
| KEdwH | King Edward's Horse |
| Ken | The Kensington Regiment |
| KENSINGTONS | Kensington Regiment (TA) |
| KENT | Kent |
| Kent | The Kent Regiment |
| Kent R | Kent Regiment |
| KentCycBn | Kent Cyclist Battalion |
| KF | King's Flight |
| KFS | Knife, Fork, Spoon |
| KG | Knight of the Order of the Garter |
| KG | Knight of the Garter |
| KGO | The King George V's Own Regiment |
| KHM | King's Harbour Master |
| KIA | Killed In Action |
| KIA | Killed In Action - designation of how a soldier died |
| KIA | Killed in Action |
| KIN. | Kincardineshire |
| KING'S | The King's Regiment (Liverpool) |
| King's (Kgs) | The King's Regiment (Liverpool) |
| KING'S OWN | The King's Own Royal Regiment |
| King's Own (KO) | The King's Own Royal Regiment (Lancaster) |
| KINGS | King's Regiment (Liverpool) |
| KINROSS. | Kinross-shire |
| KIRKBT. | Kirkcudbrightshire |
| KLFS | Kula Lumpur Fighter Squadron |
| KMB | Kabul Multi-National Brigade |
| KMHRCAMC | Kingston Military Hospital, Royal Canadian Army Medical Corps |
| KMHRCAMC | Kitchener Military Hospital, Royal Canadian Army Medical Corps |
| KMW | Senior Polish Naval Officer in London |
| KODY | Killed on duty |
| KOMR | The King's Own Malta Regiment |
| KOR of C | The King?s Own Rifles of Canada Regiment |
| KORC | King's Own Rifles of Canada |
| KORofC | King's Own Rifles of Canada |
| KOSB | The King's Own Scottish Borderers Regiment |
| KOSB | King's Own Scottish Borderers |
| KOSB | King's Own Scottish Borderers |
| KOYLI | The King's Own Yorkshire Light Infantry Regiment |
| KOYLI | King's Own Yorkshire Light Infantry |
| KOYLI | King's Own Yorkshire Light Infantry |
| KP | Knight of St. Patrick |
| KPHIRCAMC | Kingston Permanent Hospital Installation, Royal Canadian Army Medical Corps |
| KPIB | Key Points Investigation Bureau |
| KR | The Kenya Regiment (European Territorial Force) |
| KR | The Kaffrarian Rifles Regiment (South Africa) |
| KR | King's Regulations |
| KR | Kent Regiment |
| KR | King's Regulations |
| KR&ACI | King's Regulations & Air Council Instructions |
| KR&AI | King's Regulations & Admiralty Instructions |
| KR&O | King's Regulations and Orders |
| KRandAI | King's Regulations and Admiralty Instructions |
| KRCN | King's Regulations for the Government of the Canadian Naval Service |
| KRR | King's Royal Rifle Corps |
| KRRC | The King's Royal Rifle Corps Regiment |
| KRRC | King's Royal Rifle Corps |
| KRRC | King's Royal Rifle Corps |
| KRRifC | King's Royal Rifle Corps |
| KRS | King's Regulations |
| KRS | King's Regulations |
| KSLI | The King's Shropshire Light Infantry Regiment |
| KSLI | King's Shropshire Light Infantry |
| KSLI | King's Shropshire Light Infantry |
| Kt | Knight |
| KT | Knight of the Thistle |
| KTDRCA | Kine Theodolite Detachment, Royal Canadian Artillery |
| KTS | Composite Training School (Royal Canadian Air Force) |
| KUAS | Kent University Air Squadron |
| KUF | Polish Drafting Officer, London |
| Kum | The Kumaon Rifles Regiment |
| KZ | Killing Zone |
| KZ | Killing Zone |
| L | Lieutenant |
| L | Lance or Local or Lancers or Light (weight of fuzes) |
| L BDR | Lance-bombardier |
| L CPL | Lance corporal |
| L GDS | Life Guards |
| L OF C | Line, or lines of communication |
| L of C | Line(s) of Communication |
| L of C | Line or Lines of Communications |
| L OF COMM | Line of Communication |
| L SJT | Lance serjeant |
| L-CDR | Lieutenant-Commander |
| L-CPL | Lance-Corporal |
| L-Gen | Lieutenant-General |
| L-SGT | Lance-Sergeant |
| L-SJT | Lance-Serjeant |
| L-V (S) | Officers of the Volunteer Reserve appointed for special legal duties. |
| L. Edmn. R. | The Loyal Edmonton Regiment |
| L.A.A. | Light Anti-Aircraft (LAA) |
| L.A.D. | Light Aid Detachment (LAD) |
| L.C.A. | Landing Craft, Assault |
| L.C.G. | Landing Craft, Gun |
| L.C.G.(L.) | Landing Craft, Gun (Large) |
| L.C.I.(S.) | Landing Craft, Infantry (Small) |
| L.C.M. | Landing Craft, Mechanized |
| L.C.S.(L.) | Landing Craft, Support (Large) |
| L.C.S.(M.) | Landing Craft, Support (Medium) |
| L.C.T. | Landing Craft, Tank |
| L.C.V.(P) | Landing Craft, Vehicle (Personnel) |
| L.M.G. | Light Machine-Gun |
| L.O.C. | Line-of-Communication |
| L.S.I. | Landing Ship, Infantry |
| L.S.T. | Landing Ship, Tank |
| L'DON | London |
| L/ | Lance (rank) |
| L/ | Leading |
| L/Bdr | Lance Bombardier |
| L/BDR | Lance-Bombardier |
| L/Cpl | Lance Corporal |
| L/S | Leading Seaman |
| L/SA | Leading Stores Assistant |
| L/Sgt | Lance Sergeant |
| L/Sjt | Lance Sergeant |
| L/Sto | Leading Stoker |
| L&R Scott R | The Lanark and Renfrew Scottish Regiment |
| L&RSGD | Lanark & Renfrew Scottish Guard Detachment |
| L&RSR | Lanark & Renfrew Scottish Regiment |
| L&W | The Lincoln and Welland Regiment |
| L&WRegt | Lincoln & Welland Regiment |
| L1S | Level One Advisors as set out in A-FN-100-002/AG-006 |
| LAA | Light Anti-Aircraft |
| LaA | Light Aid Detachment |
| LAA | Light Anti-Aircraft |
| LAA | Light Anti-Aircraft |
| LAA REGT | Light Anti-Aircraft Regiment |
| LAAGS | Light Anti-Aircraft Gunnery School |
| LAAPC | Light Anti-Aircraft Practice Camp |
| LAARPRCASC | Light Anti-Aircraft Regiment Platoon, Royal Canadian Army Service Corps |
| LAARRCA | Light Anti-Aircraft Regiment, Royal Canadian Artillery |
| LAARSRCASC | Light Anti-Aircraft Regiment Section, Royal Canadian Army Service Corps |
| LAARSS | Light Anti-Aircraft Regiment Signals Section |
| LAARW/SSRCOC | Light Anti-Aircraft Regiment Workshop Section, Royal Canadian Ordnance Corps |
| LAATTRCA | Light Anti-Aircraft Training Troop, Royal Canadian Artillery |
| LAB | Laboratory or labour |
| LAB | Light Armoured Battery |
| LAB | Laboratory or Labour |
| Lab. | Labour |
| LabCorps | Labour Corps |
| LAC | Leading Aircraftman (Airforce); or Library and Archives Canada |
| LAC | Leading Aircraftman |
| LAC | Leading Aircraftman |
| LAC | Leading Aircraftman |
| LACW | Leading Aircraft Woman (Airforce) |
| LAD | Light Aid Detachment |
| LAD | Light Aid Detachment |
| LADC | Lieutenant Aide-de-Camp |
| LADCAPCS | Light Aid Detachment Canadian Armoured Personnel Car Squadron |
| LADRCEME | Light Aid Detachment, Royal Canadian Electrical and Mechanical Engineers |
| LADRCOC | Light Aid Detachment, Royal Canadian Ordnance Corps |
| LAFO | Laboratory Foreman |
| Lake Sup R | The Lake Superior Regiment |
| Lake Sup. Regt. | The Lake Superior Regiment (Motor) |
| Lan Yeo | The Lanarkshire Yeomanry Regiment |
| LanarkYeo | Lanarkshire Yeomanry |
| LANCS. | Lancashire |
| LanFus | Lancashire Fusiliers |
| LARC | Lighter Amphibious Resupply Cargo |
| LAS | Light Aircraft School |
| LASER | Light Amplification by Stimulated Emission of Radiation |
| LAT | Latitude |
| LAV | Light Armoured Vehicle |
| LAV | Light Armoured Vehicle |
| LAW | Leading Aircraft Woman (Airforce) |
| LAW | Leading Aircraftwoman |
| LAW | Leading Aircraft Woman |
| LB | Local Battery or Labour or Light Bomber |
| lb / lbs | (weight) pounds |
| LBandsmn | Leading Bandsman |
| LBE | Landing Barge, Emergency Repair |
| LBF | Landing Barge, Flak |
| LBF | Landing Boats |
| LBH | The Lothian and Border Horse Regiment |
| LBH | Lothian and Border Horse |
| LBM | Landing Boats |
| LBO | Landing Barge, Oiler |
| LBS | Landing Barge, Support |
| lbs | Pounds |
| LBV(1) | Landing Barge Vehicle (Mark I) |
| LBV(L)(2) | Landing Barge Vehicle (Large, Mark II) |
| LBV(S)(2) | Landing Barge Vehicle (Small, Mark II) |
| LBW | Landing Barge Water |
| LC | Lieutenant-Colonel |
| LC | Landing Craft |
| LC | Landing Craft or Line (or Lines) of Communications |
| LCA | Landing Craft, Assault |
| LCA | Landing Craft Assault |
| LCA(HR) | Landing Craft (Hedgerow) (U.S.) |
| LCB | Landing Craft Barge |
| LCB(D) | Landing Craft Barge (Dumb) (U.S.) |
| LCB(M) | Landing Craft Barge (Mechanised) (U.S.) |
| LCDR | Lieutenant Commander |
| LCDR | Lieutenant Commander or Major |
| LCE | Landing Craft Emergency - Repair |
| LCF | Lincoln Conversion Flight |
| LCF | Landing Craft Flak |
| LCF | Levant Coast Flotilla |
| LCF(L) | Landing Craft, Flak (Large) |
| LCG | Landing Craft, Gun |
| LCG(L) | Landing Craft, Gun (Large) |
| LCG(M) | Landing Craft, Gun (Medium) |
| LCG(M) | Landing Craft Gun (Medium) |
| LCG(T) | Landing Craft Gun (Tower) |
| LCH | Landing Craft Headquarters |
| LCH | Land Craft Headquarters |
| LCI | Landing Craft Infantry |
| LCI | Landing Craft Infantry |
| LCI(L) | Landing Craft, Infantry (Large) |
| LCI(L) | Landing Craft Infantry (Large) |
| LCI(L) | Landing Craft Infantry (Large) (U.S.) |
| LCI(S) | Landing Craft, Infantry (Small) |
| LCI(S) | Landing Craft Infantry (Small) |
| LCk | Leading Cook |
| LCM | Landing Craft Mechanized |
| LCM(1) | Landing Craft Mechanised (Mark I) |
| LCM(2) | Landing Craft Mechanised (Mark 2) (U.S.) |
| LCM(3) | Landing Craft Mechanised (Mark 3) (U.S.) |
| LCM(W) | Landing Craft Mechanized (wood) |
| LCMB | Landing Craft Maintenance Base |
| LCMSD | Landing Craft Material Supply Depot |
| LCMSO | Landing Craft Maintenance Stores Officer |
| LCN | Landing Craft Navigational (U.S.) |
| LCOCU | Landing Craft Obstacle* Clearance Unit (*also seen as Obstruction Clearing) |
| LCOCU | Landing Craft Obstruction Clearance Unit |
| LCOL | Lieutenant Colonel |
| LCP | Launch Control Post (Bloodhound missile) |
| LCP | Landing Craft Personnel |
| LCP(2) | Landing Craft Personnel (Mark II) |
| LCP(L) | Landing Craft Personnel (Large) |
| LCP(L) | Landing Craft Personnel (Large) (U.S.) |
| LCP(L)FOO | Landing Craft Personnel (Large) Forward Observation Officer |
| LCP(L)NAV | Landing Craft Personnel (Large) Navigation |
| LCP(M) | Landing Craft Personnel (Medium) (U.S.) |
| LCP(R) | Landing Craft Personnel (Ramped) (U.S) |
| LCP(S) | Landing Craft Personnel (Small) (U.S.) |
| LCPL | Lance Corporal |
| LCr | Lieutenant Commander |
| LCR(L) | Landing Craft Rubber (Large) |
| LCR(S) | Landing Craft Rubber (Small) |
| LCS(L) | Landing Craft, Support (Large) |
| LCS(L) | Landing Craft Support (Large) (U.S.) |
| LCS(M) | Landing Craft, Support (Medium) |
| LCS(M)(3) | Landing Craft Support (Medium, Mark III) (U.S.) |
| LCS(R) | Landing Craft Support (Rocket) |
| LCS(S) | Landing Craft Support (Small) (U.S.) |
| LCT | Landing Craft, Tank |
| LCT | Landing Craft Tanks |
| LCT | Landing Craft Tank |
| LCT(1) | Landing Craft Tank (Mark I) |
| LCT(2) | Landing Craft Tank (Mark II) (U.S.) |
| LCT(3) | Landing Craft Tank (Mark III) (U.S.) |
| LCT(4) | Landing Craft Tank (Mark IV) (U.S.) |
| LCT(5) | Landing Craft Tank (V) (U.S.) |
| LCT(AVRE) | Landing Craft Tank (Armed Vehicle Royal Engineers) |
| LCT(R) | Landing Craft Tank (Rocket) |
| LCT(Sp) | Landing Craft Tank (Support) |
| LCV | Lorry Command Vehicle |
| LCV | Landing Craft Vehicle (U.S.) |
| LCV(2) | Landing Craft Vehicle (Mark II) |
| LCV(P) | Landing Craft, Vehicle, Personnel |
| LCV(P) | Landing Craft Vehicle (Personnel) |
| LD | Light Draught or Lands |
| LDF | Land Defence Force |
| LDG | Landing |
| LDG | Landing |
| Ldng | Leading |
| LDR | Leader |
| LDRCAPC | Lancaster Detachment Royal Canadian Army Pay Corps |
| LDS | Latter Day Saint Church |
| LdSH | The Lord Strathcona's Horse Regiment (Royal Canadians) |
| LDSH (RC) | (RC) Lord Strathcona's Horse (Royal Canadians) |
| LDV | Local Defence Volunteers |
| LE | Low Explosive |
| LEICESTERS | Leicestershire Regiment |
| LEICESTERS | The Leicestershire Regiment |
| Leicesters (Leic) | The Leicestershire Regiment |
| LeicR | Leicestershire Regiment |
| LEICS. | Leicestershire |
| LeicYeo | Leicestershire Yeomanry |
| LeinsR | Leinster Regiment |
| LEME | Land Electrical and Mechanical Engineering |
| LER | Royal Edmonton Regiment |
| LF | Lancashire Fusiliers |
| LF | The Lancashire Fusiliers Regiment |
| LF | Leave & Furlough |
| LF | The Lancashire Fusiliers or Low Frequency |
| LF de MR | Les Fusiliers de Mont Royal (French only) |
| LFA | Land Force Area |
| LFA | R?giment de L?vis |
| LFA | Le R?giment de Chateauguay |
| LFAA | Land Force Atlantic Area |
| LFAA | Le R?giment de Hull |
| LFC | Land Force Command (Army) |
| LFC | Les Voltigeurs de Qu?bec |
| LFC2IS | Land Force Command and Control Information System |
| LFCA | Land Force Central Area |
| LFCA | Land Force Central Area (Toronto) |
| LFCA TC | TC Land Forces Central Area Training Centre |
| LFDTS | Land Forces Doctrine and Training System |
| LFMHRCAMC | Lesters Field Military Hospital, Royal Canadian Army Medical Corps |
| LFNA | Land Force Northern Area |
| LFQA | Land Force Quebec Area |
| LFRR | Land Force Reserve Restructure |
| LFS | Lancaster Finishing School |
| LFWA | Land Force Western Area |
| LFWA | Land Force Western Area (Edmonton) |
| LFWATC | Land Force Western Area Training Centre |
| LG | Landing Ground |
| LG | The Life Guards Regiment |
| LG | Lethbridge Garrison |
| LG | Lewis Gun |
| LG | London Gazette - official British government publication of decorations, honours and promotions |
| LG | Landing Ground or London Gazette or Life Guards or Lewis Gun |
| LGC | Landing Craft Control |
| LGDS | Life Guards |
| LGEN | Lieutenant General |
| LGS Wagon | Limbered General-Service Wagon |
| LH | Light Horse |
| LH | Local Headquarters |
| LH | Lighthouse or Left Hand |
| LHQ | Local Headquarters (Army Cadet term) |
| LI | Light Infantry |
| LIAP | Leave in addition to Python |
| Lieut | Lieutenant |
| LIEUT | Lieutenant |
| LIEUT CMDR | Lieutenant-Commander |
| Light AA TNG REGT | Light Anti-Aircraft Regiment |
| LIJIT | Leader in Job Instruction Training |
| LINC R | Lincolnshire Regiment |
| LINC WELD | Weld Lincoln and Welland Regiment |
| LINC YOE | Lincolnshire Yeomanry |
| LINCOLNS | Lincolnshire Regiment |
| Lincolns (Linc) | The Lincolnshire Regiment |
| LINCOLNS R | The Lincolnshire Regiment |
| LincR | Lincolnshire Regiment |
| LincYeo | Lincolnshire Yeomanry |
| Line. & Welld. | The Lincoln and Welland Regiment |
| LIR | The London Irish Rifles Regiment |
| LIR | London Irish Rifles (TA) |
| LIR | London Irish Rifles |
| litho | Lithographic(al) |
| LItoCSGHQEAGp | (Legal) Increment to Canadian Section General Headquarters, Echelon Army Group |
| LIVPL SCOT | Liverpool Scottish (TA) |
| LIVPL SCOT | Liverpool Scottish |
| Livpl Scot (LvS) | The Liverpool Scottish Regiment |
| LL | Denotes that a ship is fitted for magnetic minesweeping |
| LL | Latitude and Longitude |
| LLEandLLV | Landing Lighters |
| LLF | Light Liaison Flight |
| LLTU | Leigh Light Training Unit |
| LLV | Loop Laying Vessel |
| LMB | Light Mortar Battery |
| LMB | Light Mortar Battery - front line unit of light mortars used for direct fire support |
| LMB | Light Mortar Battery |
| LMG | Light Machine Gun |
| LMG | Light Machine-Gun |
| LMG | Light Machine Gun |
| LMHRCAMC | Lauzon Military Hospital, Royal Canadian Army Medical Corps |
| LMHRCAMC | Lethbridge Military Hospital, Royal Canadian Army Medical Corps |
| LMHRCAMC | Lewisporte Military Hospital, Royal Canadian Army Medical Corps |
| LMHRCAMC | London Military Hospital, Royal Canadian Army Medical Corps |
| LMHRCAMC | Longueuil Military Hospital, Royal Canadian Army Medical Corps |
| LMS | London, Midland and Scottish (Railway) |
| LMU | Landline Maintenance Units |
| LN | Quebec-Labrador convoy |
| LNER | London and North-Eastern Railway |
| LNLanR | Loyal North Lancashire Regiment |
| LNNo | List of Navy Numbers |
| LNRKS. | Lanarkshire |
| LNSF | Light Night Striking Force, of Mosquitoes of 8 Group |
| LO | Liaison Officer |
| LO | Liaison Officer |
| LOAC | Law of Armed Conflict |
| LOB | Left out of battle |
| LOC | Locate of Location |
| LOCN | Location |
| LOCO | Liaison Officers, Combined Operations |
| LOCSTATS | Location Statement |
| LOD | Line of Departure |
| LofC | Line(s) of Communication |
| LofCFSPS | Line of Communication Field Security Police Station |
| LofCPSCPC | Line of Communication Provost Section C. Provost Corps |
| LofCS(P)CGRU | Line of Communication Section (Provost) Canadian General Reinforcement Unit |
| LofCSRCCS | Line of Communication Signals, Royal Canadian Corps of Signals |
| LofCTrpsSerIncr | Line of Communication Troops Service Increment |
| LOG | Logistic |
| LOG | Logistics |
| LOND | London |
| LOND SCOT | London Scottish (TA) |
| LOND SCOT | London Scottish |
| LondR | London Regiment |
| LONG | Longitude |
| LonGaz | London Gazette - official British government publication of decorations, honours and promotions |
| LONN | Liaison Officer Norwegian Navy |
| LOR | Lorried or lorryborne |
| LOR | Lorried or Lorryborne |
| Lorn Scots | The Lorne Scots (Peel, Dufferin and Halton Regiment) |
| lorry | cargo motor vehicle |
| LOS | Line Of Sight |
| LOS | Line of Sight |
| Loth&BordH | Lothian and Border Horse |
| LOTHIANS | Lothians and Border Yeomanry (TA) |
| LOU | Localization of Units |
| Lov | The Lovat Scouts Regiment |
| LOV | Lovat Scouts |
| LOVATS | Lovat Scouts (TA) |
| LOWLAND R | Lowland Regiment |
| LOYALS | Loyal Regiment (North Lancashire) |
| LOYALS | The Loyal Regiment (North Lancashire) |
| Loyals (Loy) | The Loyal Regiment (North Lancashire) |
| LP | Listening Post |
| LP | Listening Post or Low Power |
| LPC | Last Pay Certificate |
| LPF | Last Post Fund |
| LPhoto | Leading Photographer |
| LPODRCOC | Longue Pointe Ordnance Depot, Royal Canadian Ordnance Corps |
| LPS | Lord Privy Seal |
| LPtlmn | Leading Patrolman |
| LR | R?giment de L?vis (French only) |
| LR | Layer Rating |
| LR | Layer Ratings |
| LR | Lower rate or Light Railways |
| LRAM | Licentiate, Royal Academy of Music |
| LRATGW | Long Range Anti Tank Guided Weapon |
| LRB | The London Rifle Brigade |
| LRCR | Long Range Communications Relay |
| LRdeC | Le R?giment de Chateauguay (French only) |
| LRdeH | Le R?giment de Hull (French only) |
| LRDF | Long Range Development Flight |
| LRDG | Long Rang Desert Group |
| LRDG | Long Range Desert Group |
| LRDU | Long Range Development Unit |
| LRFU | Long Rang Ferry Unit |
| LRS | Legislative and Regulatory Services |
| LRS | Light Repair Section |
| LRSW | Long Range Sniper Weapon |
| LRWE | Long Range Weapons Research Establishment |
| LRWRE | Long Range Weapons Research Establishment |
| LS | Leading Seaman |
| LS | Landing Ships |
| LS | Leading Seaman or Land Service |
| LS & GCM | Long Service and Good Conduct Medal |
| LS(CASF) | Lorne Scots (Peel, Dufferin & Halton Regiment), Canadian Active Service Force |
| LS(Postal) | Leading Seaman (Postal) |
| LS(R) | Leading Seaman (Regulating) |
| LS(Records) | Localization Section (Records) |
| LSA | Leading Stores Assistant |
| LSA | Leading Supply Assistant |
| LSBA | Leading Sick Berth Attendant |
| LSc | The London Scottish Regiment |
| LSC | Landing Ship, Carrier (Derrick-hoisting) |
| LSCTC | Light Scout Car Training Centre |
| LSD | landing Ship Dock |
| LSD | Landing Ship, Dock (U.S.) |
| LSDI | Large Scale Deliberate Intervention |
| LSE | Landing Ship, Emergency Repair |
| LSgt | Lance Sergeant |
| LSH | Lord Strathcona's Horse (Royal Canadians) - cavalry unit first established for the South African War |
| LSI | Landing Ship, Infantry |
| LSig | Leading Signalman |
| LSjt | Lance Sergeant |
| LST | Landing Ship, Tank |
| LST | Landing Ship Tank |
| LSto | Leading Stoker |
| LSto(FF) | Leading Stoker (Fire Fighter) |
| LStwd | Leading Stewart |
| LSVW | Light Support Vehicle Wheeled |
| LSW | Light Support Weapon |
| LT | Low tension or line telegraphy |
| LT | Lieutenant |
| Lt | Light |
| LT | Line telegraphy or low tension |
| LT | Lieutenant or Captain |
| Lt | Light |
| Lt | Lieutenant |
| LT | Lieutenant or Light or Local Time or Low Tension (voltage) or Line Telegraph |
| LT | Line Telegraphy or Low Tension |
| LT (N) | (N) Lieutenant (Navy) |
| LT COL | Lieutenant-Colonel |
| Lt INF | Lieutenant Infirmiere |
| Lt-Col | Lieutenant-Colonel |
| LT-Gen | Lieutenant-General |
| Lt. | Light |
| LT(jg) | Lieutenant (junior grade) or First Lieutenant |
| LTAS | Leave Travel Assistance |
| LtCdr | Lieutenant Commander |
| Ltech | Electronic Technician (Sea) |
| LTel | Leading Telegraphist |
| LTI | Link Trainer Instructor |
| LTO | Leading Torpedoman |
| LTP | Long Term Planning |
| LTW | Lyneham Transport Wing |
| LTW | Landing Transport and WORKSHOP (COMPANY) |
| LUP | Lying Up Point |
| LUP | Lying Up Point |
| LVoltdeQ | Les Voltigeurs de Qu?bec (French only) |
| LVS | Logistics Vehicle System |
| LVT | Landing Vehicle, Tracked |
| LW | Light Warning (radar) |
| LW | Long Wave |
| LWCA (TC) | 'L'' Wing Canadian Army (Training Centre) |
| LWCC | Lightweight Combat Clothing |
| LWOP | Leave Without Pay and Allowances |
| LWOP | Leave Without Pay |
| LWP | Leave With Pay |
| LWtr | Leading Writer |
| LWU | Light Warning Unit |
| LX | Left Section |
| LY | The Leicestershire Yeomanry (Prince Albert's Own) Regiment |
| LZ | Landing zone |
| LZ | London Division |
| LZ | Landing Zone |
| M | Metalsmith Make plans, time and cost estimates. Work in copper and brass. Temper metals, repair damage. Test for watertightness. |
| M | Matron |
| M | Miscellaneous |
| M | Major |
| M | Minister, National Defence |
| M | Minelayer |
| M | Mixed or Married or Medical or Movements |
| M & D | Medals and Decorations |
| M & S | Munitions and Supply |
| M Div | Main Engines |
| M of S | Ministry of Supply |
| M.T. | Motor Transport (MT) |
| M'CHESTER | Manchester |
| M(N) | Minister for Naval Services |
| M(No) | Captain "M" (Number) Mine Laying Squadron |
| M/A | Meal Allowance |
| M/C DR | Motorcycle Despatch Rider |
| M/F | Medium Frequency |
| m/n | Marginally Named |
| M/S | Minesweeper(s) |
| m/s | Meters per second |
| M/SAux | Minesweepers Auxiliary |
| M/SBan | Minesweepers Bangor |
| M/SBas | Minesweepers Bassett |
| M/SMotor | Minesweepers Motor |
| M/SWood | Minesweepers Wooden |
| M/T | Motor Transport |
| M&D | Medicine and Duties; or Medals and Decorations |
| M&D | Medals & Decorations - list of theatre medals or decorations received for military service, as well as special citations |
| M&D | Medicine and Return to Duty |
| M&I | Messes and Institutes |
| M&JWS | Mountain & Jungle Warfare School |
| M&S | Modelling & Simulation |
| M&Wasst | Munitions and Weapons Assistant |
| M&Wtech | Munitions and Weapons Technician |
| M1 | Army Service Corps, Mechanical Transport Section |
| M1c | Metalsmith, First Class |
| M2 | Army Service Corps, Electricians |
| M2c | Metalsmith, Second Class |
| MA | Managing Authority |
| MA | Military assistant or Military Attache |
| MA | Meal Allowance |
| MA | Medical Assistant |
| MA | Master |
| MA | Military Attache or Military Assistant or Military Advisor |
| MA/SBI | Motor Torpedo Boat fitted with asdic set and depth charges |
| MA/STU | Mobile Asdic Training Unit |
| MA&S DESKTOP | Desktop Materiel Acquisition and Support Desktop |
| MAA | Mutual Aid Agreement |
| MAA | Maintenance Anti-Aircraft |
| MAA | Medium Anti Aircraft (Royal Canadian Artillery) |
| MAA | Master at Arms |
| MAAD | Manual of Anti-Aircraft Defence |
| MAAF | Mediterranean Allied Forces; or Malayan Auxiliary Air Force |
| MAAF | Mediterranean Allied Air Forces |
| MAC | Motor ambulance convoy |
| MAC | Mediterranean Air Command |
| MAC | Motor Ambulance Convoy |
| MAC | Minesweeping Craft |
| MAC | Merchant Aircraft Carriers |
| MAC | Merchant-Ship Aircraft Carrier |
| MAC | Minesweeping Attendant |
| MAC | Motor Ambulance Car or Convoy |
| MAC | Mediterranean Air Command or Motor Ambulance Convoy or Macadam |
| MACAF | Mediterranean Allied Coastal Air Force |
| MACH | Machinist |
| Mach | Machinist |
| MachAccOp | Machine Accounting Operator |
| MACP | Medic Air Command Post |
| MACR(A)D | (Manitoba) Armoured Car Regiment (Armoured) Division |
| MACRCAMC | Motor Ambulance Convoy, Royal Canadian Army Medical Corps |
| MACRI | Maritime Atlantic Coastal Routing Instructions |
| MAD | Marine Acceptance Depot |
| MAD | The Madras Regiment |
| MAD | Magnetic Air Detector |
| MAED | Marine Aircraft Experimental Depot |
| MAEE | Marine Aircraft Experimental Establishment |
| MAEU | Marine Aircraft Experimental Unit |
| MAFIS | Midlands Area Flying Instructors School |
| MAG | Magazine or magnetic |
| mag | Magazine |
| Mag | Magnetic |
| MAG | Magazine or Magnetic |
| MAGU | Master Gunner |
| MAINT | Maintain, maintained or maintenance |
| MAINT | Maintenance |
| Maint. | Maintenance |
| MAJ | Major |
| MAJ | Major |
| MAJ GEN | Major-General |
| Maj-Gen | Major-General |
| MAJAID | Major Air Disaster |
| MAMS | Mobile Air Movement Section |
| Man | Manitoba |
| MANCH | Manchester Regiment |
| Manch (Man) | The Manchester Regiment |
| MANCH R | The Manchester Regiment |
| ManchR | Manchester Regiment |
| MANSR | Miramichi Area North Shore Regiment |
| MAO | Medical Associate |
| MAP | Ministry of Aircraft Production |
| MARCOM | Maritime Command |
| MARE | Maritime Engineering |
| MAREL | Moveable Air Reconnaissance Exploitation Unit |
| MarEngT | Marine Engineering Technician |
| MARI | Mercantile Atlantic Routing Instructions |
| MARS | Maritime Surface and Sub-surface |
| MARURCOC | Mobile Ammunition Repair Unit, Royal Canadian Ordnance Corps |
| MASFS | Midlands area School of Special Flying |
| MASM | Managing Authority System Manager |
| MASR&CF | Malta Air Sea Rescue & Communications Flight |
| MATAF | Mediterranean Allied Tactical Air Forces |
| MATP | Mobilization Assignment Training Plan |
| MATT | Mess Attendant |
| MATZ | Military Air Traffic Zone |
| MAX | Maximum |
| MB | Motorboat |
| MB | Medal of Bravery |
| MB | Military Band |
| MB | Mervian Brigade or Medium Bomber |
| MB(EGB) | Military Band (Esquimalt Garrison Band) |
| MB(M) | Motordrome Barracks (Montreal) |
| MBC | Motorboat Crewman |
| MBDR | Master Bombardier (MCpl in the Artillery) |
| MBE | Member of the Order of the British Empire |
| MBE | Order of the British Empire (Member) |
| MBE | Member of the Most Excellent Order of the British Empire |
| MBLRCAMC | Mobile Bacteriological Laboratory, Royal Canadian Army Medical Corps |
| MBLU | Mobile Bath & Laundry Units |
| MBM1 | Soldiers Pay Book |
| MBRCA | Medium Battery, Royal Canadian Artillery |
| MBSSM | Medical Board Sault St. Marie |
| MBT | Main Battle Tank |
| MBTC | Mines Booby Traps Course |
| MBU | Mobile Bath Unit |
| MBURCOC | Mobile Bath Unit, Royal Canadian Ordnance Corps |
| MC | Military Cross |
| MC | Movement control or motor-cycle |
| MC | Motor-cycle or movement control |
| MC | Military Cross - award given to officers for specific act(s) of bravery, or for meritorious service |
| MC | Memorial Cross |
| MC | Mobile Canteen |
| MC | Motorcycle |
| MC | Motorcycle Course |
| MC | Military Cross or Motorcycle or Movement Control or Message Centre |
| MC | Mule Company |
| MC | Mule Company |
| MC of S | Military College of Science |
| MC-M | Officers of the Merchant Marine Reserve appointed for general service in the Medical Corps. |
| MC-V (G) | Officers of the Volunteer Reserve appointed for general service in the Medical Corps. |
| MC-V (S) | Officers of the Volunteer Reserve appointed for special service in the Medical Corps. |
| MC(I) | Mule Convoy (India) |
| Mc/s | Megacycles per second |
| mc/s | Megacycles |
| MC&TTS | Malta Communication & Target Towing Flight |
| MCA | Ministry of Civil Aviation |
| MCC | Military Career Counselor |
| MCC | Military Career Counsellor |
| MCC&FF | Maintenance Command Communication and Ferry Flight |
| MCD | Manager Constructive Dept. |
| MCDR | Motorcycle Despatch Rider |
| MCDV | Maritime Coastal Defence Vessel |
| MCH | Malton Convalescent Hospital |
| MCI | Mercantile Convoy Instructions |
| MCJTF | Maintenance Command Jet Training Flight |
| MCLOS | Motor Contact Liaison Officers |
| MCMG | Motorcycle Machine Gun |
| MCMHRCAMC | Maple Creek Military Hospital, Royal Canadian Army Medical Corps |
| MCMHRCAMC | Macdonald College Military Hospital, Royal Canadian Army Medical Corps |
| MCO | Movement Control Officer or Motor Contract Officer |
| MCOIN | Maritime Command Operational Information System |
| MCPL | Master Corporal |
| MCRCAMC | Medical Centre, Royal Canadian Army Medical Corps |
| MCS | Metropolitan Communication Squadron |
| MCS(C) | Movement Control Staff (Canada) |
| MCS(C) | Motor Landing Craft Carrying Ship |
| MCSP | Maintenance |
| MCTAP | Military Civilian Training Accreditation Program |
| MCU | Marine Craft Unit |
| MCU | Mosquito Conversion Unit; or Meteorological Conversion Unit |
| MCU | Movement Control Unit |
| MCW | Modulated Continuous Wave |
| MD | Military District |
| MD | Manning Depot |
| MD | Military Depot - designated military administrative areas in Canada (13 in number) |
| MD | Military District - (or Depot) designated military administrative areas in Canada (13 in number) |
| MD | Military District or Mine Depot or Message Dropping |
| Md'Hon | M?daille d'Honneur (France) |
| MD#5&CCVC | Military District #5 & Camp Commander Valcartier Camp |
| MD1 | Military District 1 Western Ontario (London) |
| MD11 | Military District 11 British Columbia (Victoria) |
| MD12 | Military District 12 Saskatchewan (Regina) |
| MD13 | Military District 13 Alberta (Calgary) |
| MD2 | Military District 2 Central Ontario (Toronto) |
| MD3 | Military District 3 Eastern Ontario (Kingston) |
| MD4 | Military District 4 Western Quebec (Montreal) |
| MD5 | Military District 5 Eastern Quebec (Quebec) |
| MD6 | Military District 6 Maritime Provinces (Halifax) |
| MDA | Main Defensive Area |
| MDB | Military Detention Barracks |
| MDBBO | Military Detention Barracks Brampton, Ontario |
| MDBSBCPC | Military Detention Barracks Stanley Barracks Canadian Provost Corps |
| MDC | Mobile Deperming Craft |
| MDC | Motor Driver Company (ATS) or Mobile Defence Company |
| MDCU | Military Disembarkation Camp Unit |
| MDG | Medical Director-General |
| MDHQS | Military District Headquarters Staff |
| MDS | Main Dressing Station |
| MDS | Main Dressing Station |
| MDU | Mobile Deperming Unit |
| MDU | Military Dispersal Unit |
| ME | Middle East |
| ME | Messerschmitt |
| ME | Mechanical Equipment |
| ME | Middle East or Military Engineering |
| MEAC | Middle East Air Command |
| MEAC | Military Engineers Association of Canada |
| MEAC | Middle East Air Command |
| MEAF | Middle East Air Force |
| MEAF | Middle East Air Force |
| MEAFITF | Middle East Air Force Instrument Training Flight |
| MEAFTTU | Middle East Air Force Target Towing Unit |
| MEAS | Middle East Armament School |
| MECGS | Middle East Central Gunnery School |
| MECH | Mechanic, mechanical or mechanized |
| MECH | Mechanized |
| Mech | Director of Mechanization |
| Mech | Mechanic, mechanical or machanized |
| MECH | Mechanized or Mechanic or Mechanical |
| Mech. | Mechanical |
| MechEqpt(Pk)(Coy) | Mechanical Equipment (Park) (Company) |
| MechTpr | Mechanical Transport |
| MED | Medium or medical |
| Med | Medium |
| med | Medical |
| med | Medium |
| Med | Mediterranean |
| MED | Manager Engineering Dept. or Mediterranean and Red Sea Area |
| MED | Medical or Medium |
| Med-Evac | Medical Evacuation |
| Med. | Medium |
| MedA | Medical Assistant |
| MedBd | Medical Board |
| MedCTR | Medical Centre |
| MEDME | Mediterranean and Middle East |
| Meds | Director General of Medical Services |
| MEF | Middle East Forces |
| MEF | Mediterranean Expeditionary Force |
| MEF | Mesopotamian Expeditionary Force |
| MEF | Middle East Forces |
| MEFC | Middle East Ferry Control |
| MEIRI | Mercantile East Indies Routing Instructions |
| MEL | Medical Employment Limitations |
| MELF | Middle East Land Forces |
| MELF | Middle East Land Force |
| MENVTS | Middle East Night Vision Training School |
| MEO | Mechanical Equipment Operating |
| MEO | Mercantile Equipment Office (Naval) |
| MEP | Mehanical Equipment Park Company |
| MEP&AP | Middle East Pilot & Aircrew Pool |
| MERI. | Merionethshire |
| MESPSRCE | Mechanical Equipment Spare Parts Section, Royal Canadian Engineers |
| MESRCECMF | Mechanical Equipment Section, Royal Canadian Engineers, Central Mediterranean Force |
| MESupt | Mobile Equipment Superintendent |
| MET | Meteorological or meteorology |
| MET | Meteorology or meteorological |
| MET | Meteorological or Meterology or Miscellaneous Enemy Transport |
| MET RES | Res Meteorological Research |
| METech | Mobile Equipment Technician |
| MetO | Meteorological Observer |
| METS | Middle East Training School |
| MetTech | Meteorological Technician |
| MEW | Microwave Early Warning (radar) |
| MEW | Ministry of Economic Warfare |
| MEXE | Mechanical Equipment Experimental Establishment |
| MF | Mediterranean Fleet |
| MF | Medium Frequency |
| MFA | Mercantile Fleet Auxiliary |
| MFB | Master File Maintenance |
| MFB1444 | Re/Engagement Form - Non-Permanent Active Militia |
| MFB1481 | Absentees and Deserters - Transportation particulars |
| MFB1482 | Absentees and Deserters - Incidental Expense Statement |
| MFB227 | Medical History of an Invalid |
| MFB235 | Attestation Paper - Permanent Force |
| MFB241 | Discharge Certificate - Permanent Force of Canada (Duplicate copy of) |
| MFB241a | Discharge Certificate - Permanent Force of Canada (Duplicate copy of - French) |
| MFB241b | Discharge Certificate of Permanent Force of Canada |
| MFB264 | Charge Report |
| MFB287 | Appointment to a Commission |
| MFB292 | Morning Sick Report |
| MFB313a | Medical Case History Sheet |
| MFB313b | Medical History Sheet - Permanent Force |
| MFB350 | Certificate of Discharge - Non-Permanent Active Militia |
| MFB375 | Court of Inquiry - Record of Declaration |
| MFB465 | Dental History Sheet |
| MFB483 | Description of a Deserter |
| MFC | Mortar Fire Controller |
| MFC800 | Individuals Clothing and Equipment statement |
| MFD930a | Last Pay Certificate Canadian Active Service Force |
| MFH | Military Field Hospital |
| MFH | Military Field Hospital |
| MFM | Master File Maintenance |
| MFM1 | Officer's Declaration Paper |
| MFM1&2b | Follow Sheet for Master File Maintenance 1 and Master file Maintenance 2 |
| MFM10 | Form of Will |
| MFM103 | Enrolment Form National Resources Mobilization Act of 1940 Personnel |
| MFM12 | Certificate of Medical Unfitness |
| MFM141 | Certificate of Medical Unfitness national Resources Mobilization Act of 1940 |
| MFM141 | Index Pay Card (Pay) |
| MFM150 | Certificate of Medical Examination, Canadian Women's Army Corps |
| MFM153 | Attestation From, Canadian Women's Army Corps |
| MFM154 | Canadian Women's Army Corps Discharge Certificate |
| MFM16 | Application for Dependent's Allowance (Wife & Child) |
| MFM16a | Application for Dependent's Allowance (Other Supplementary) |
| MFM16b | Application for Dependent's Allowance (Other Dependents) |
| MFM16d | Certificate of Examination (Births, Marriages, Deaths) |
| MFM16e | Canadian Active Service Force Request for Investigation |
| MFM16f | List of Documents (Evidence of Claim) |
| MFM16g | Card Re: Application for Dependent's Allowance |
| MFM17 | Assignment of Pay Form (All Ranks) |
| MFM18 | Stop Payment Form (Assigned Pay) |
| MFM181 | Fingerprint Form |
| MFM182 | Identification Form |
| MFM18a | Stop Payment Form (Assigned Pay) |
| MFM19 | Changes in Assigned Pay |
| MFM2 | Attestation Papers, Other Ranks, English |
| MFM216 | Certificate of Apprehension (Absent without leave or Deserter) Canadian Women's Army Corps |
| MFM23 | Proceedings on Discharge |
| MFM24 | Certificate of Service General Order 139/39 |
| MFM30 | Records Cards |
| MFM30 | X-Ray, Inspection of Chests |
| MFM4 | Service and Casualty Form (Part 1) |
| MFM55 | Particulars of Family |
| MFM55 | Receipt for a Soldier's Documents |
| MFM6 | Field Conduct Sheet |
| MFM7 | Discharge Certificate - Original - (linen) |
| MFM8 | Certificate of Service, Officers and Nursing Sisters |
| MFM81 | Proceedings of an Officer or Nursing Sister |
| MFM88 | Protection Certificate |
| MFM9 | Extension of Service - Permanent Force |
| MFM94 | Application for War Service Badge 'General Service Class' |
| MFM99 | Voluntary Transfer Form |
| MFNU | Malta Night Fighter Unit |
| MFO | Military forwarding officer |
| MFO | Military Forwarding Officer |
| MFP | Military Foot Police |
| MFP | Military Foot Police |
| MFPS | Mobile field photographic section |
| MFPS | Mobile Field Photographic Section |
| MFPU | Mobile Field Photographic Unit |
| MFRC | Military Family Resource Centre |
| MFS | Military Forwarding Service |
| MFV | Motor Fishing Vessel |
| MFW | Military Foreman of Works |
| MFW2463 | Report of Death of a Soldier (Location of grave) |
| MFW2570 | Report of Death of a Soldier (Location of grave) |
| MG | Machine Gun; or Motor Generator |
| MG | Messenger |
| MG | Machine Gun |
| MG | Medical Guard |
| MG | Machine Gun |
| MGA | Major General in charge of Administration |
| MGB | Motor Gun-Boat |
| MGB | Motor Gunboat |
| MGC | Machine Gun Corps |
| MGCCav | Machine Gun Corps Cavalry |
| MGCT | Major-General Combined Training |
| MGEN | Major General |
| MGGS | Major General - General Staff |
| MGGS | Major General, General Staff |
| MGGS | Major-General General-Staff |
| MGHU | Machine Gun Holding Unit |
| MGO | Master General of the Ordinance |
| MGO | Master General of the Ordnance |
| MGO | Master General of Ordnance |
| MGRA | Major General, Royal Artillery |
| MGRA | Major-General Royal Artillery |
| MGRU | Machine Gun Reinforcement Unit |
| MGS | Mobile Gun System |
| MGS | Machine Gun Squadron |
| MGSP | Mobile Glider Servicing Party |
| MGTC | Machine Gun Training Centre |
| MGTC(NRMA) | Machine Gun Training Centre (National Resources Mobilization Act of 1940) |
| MGTC(RF) | Machine Gun Training Centre (Reserve Fleet) |
| MH | Military Hospital |
| MHC | Miscellaneous Harbour Craft |
| MHHRCAMC | Montmagny Military Hospital, Royal Canadian Army Medical Corps |
| MHHRCAMC | Montreal Military Hospital, Royal Canadian Army Medical Corps |
| MHHRCAMC | Mulgrave Military Hospital, Royal Canadian Army Medical Corps |
| MHLRCAMC | Mobile Hygiene Laboratory, Royal Canadian Army Medical Corps |
| MI | Military Intelligence |
| MI | Military Intelligence |
| MI2H | Miles in two hours |
| MIA | Missing in Action |
| MIA | Missing in Action - casualty whose whereabouts and status (alive, dead or captured) after an action are unknown |
| MIA | Mounted Infantry |
| MIA | Missing in Action |
| MIC | Medical Instructions Camp |
| MICV | Mechanized Infantry/Cavalry Vehicle |
| MID | Mentioned in Dispatches |
| Mid | Midshipman |
| MID | Mentioned in Despatches - commendation by commanding officer for outstanding or meritorious service |
| MID | Mentioned in Dispatches |
| Midd'xR | Middlesex Regiment |
| MIDDX | Middlesex |
| MIDDX. | Middlesex |
| MIDL. | Midlothian |
| Midland | The Midland Regiment (Northumberland and Durham) |
| MidR | Midland Regiment |
| MIH | Miles in the hour |
| mih | Miles in the hour |
| MIL | Military |
| Mil | Military - organization responsible for defending a country or for the conduct of a war |
| MIL | Military |
| Mil. | Military |
| MILE | Military Engineering |
| MilHos | Military Hospital |
| MILITIA | The Reserve Force (RF) |
| MilMed | Military Medal for Good Service (Portugal) |
| MILO | Military Intelligence Liaison Officer |
| MIN | Minute |
| Min | Minister |
| MIN | Mine, minecraft (U.S.) |
| MIN | Minute |
| MIN TECH | Tech Ministry of Technology |
| Min(A) | Minister for Air |
| MIO | Maritime Interdiction Operations |
| MIR | Medical Inspection Room |
| MIS | Ministry of Information |
| MIS | Mercantile Intelligence Section (Naval) |
| Misc | Miscellaneous |
| Miss | Missing - location of an individual is unknown |
| Mit | Mitrailleuses |
| MJ | Major |
| MJGE | Major General |
| Mk | Mark (Model / Version) |
| MK | Mark |
| MKV | Mark V fire tender |
| ML | Molder Equip and work in foundry. Make castings. Use molding tools. Operate oil furnaces. |
| ML | Motor Launch |
| ML | Missing List |
| ML | Motor Launch |
| ML&BU | Mobile Laundry and Bath Unit |
| ML&FDU | Mobile Laundry & Forward Decontamination Unit |
| Ml1c | Molder, First Class |
| Ml2c | Molder, Second Class |
| MLB | Motor Landing Barge (U.S.) |
| MLB | Motor Lifeboat (GG) (U.S.) |
| MLBU | Mobile laundry and bath unit |
| MLC | Motor Landing Craft |
| MLI | The Mahratta Light Infantry Regiment |
| MLO | Military Liaison Officer or Military Landing Officer |
| MLO | Militry Landing Officer or Military Liasion Officer |
| MLOC | Minimum Level of Capability |
| MLRU | Mobile Land Repair Units |
| MLU | Maple Leaf Up |
| MLV | Mine Laying Vessels |
| MLVW | Medium Logistics Vehicle Wheeled |
| MM | Military Medal |
| MM | Machinist's Mate Operate main and auxiliary engines. Adjust, repair, and overhaul engines. Be familiar with ship's drainage systems, distilling plants, evaporators and pumps. |
| MM | Motor Mechanic |
| MM | Military Medal - medal for bravery awarded to other ranks (non-officers) |
| MM | Meteorologist's Mate |
| MM | Military Medal |
| MM1c | Machinist's Mate, First Class |
| MM2c | Machinist's Mate, Second Class |
| MME | Machinist's Mate E Engineman. |
| MMESTF/S | Mediterranean & Middle East Special Transport Flight/Squadron |
| MMEV | Multi-Mission Effects Vehicle |
| MMG | Medium Machine Gun |
| MMG | Machinist's Mate G Industrial gas generator mechanic. |
| MMG | Motor Machine Gun |
| MMG | Medium Machine Gun |
| MMG | Medium Machine Gun |
| MMGC | Motor Machine Gun Corps |
| MMHRCAMC | Magantic Military Hospital, Royal Canadian Army Medical Corps |
| MMHRCAMC | Mewata Military Hospital, Royal Canadian Army Medical Corps |
| MMHRCAMC | Mimico Military Hospital, Royal Canadian Army Medical Corps |
| MMHRCAMC | Monteith Military Hospital, Royal Canadian Army Medical Corps |
| Mmil | M?daille Militaire (France) (French only) |
| MML | Manual of Military Law |
| MMM | Member of the Order of Military Merit |
| MMP | Military Mounted Police |
| MMP | Miscellaneous Military Personnel |
| MMP | Military Mounted Police |
| MMP | Military Mounted Police |
| MMPITest | Minnesota Multiphasic Personality Inventory Test |
| MMR | The Manitoba Mounted Rifles Regiment |
| MMR | Machinist's Mate R Refrigeration mechanic. |
| MMR | Manitoba Mounted Rifles |
| MMR | Mercantile Marine Reserve |
| MMS | Motor minesweeper |
| MMS | Machinist's Mate S Shop machinist. |
| MMS | Mercantile Movements Section (Naval) |
| MMS | Motorcycle Maintenance School |
| MMTP | Military Medical Training Plan |
| MMU | Multi-National Medical Unit |
| MN | Mineman Carry and move mine cases, anchors, cables, lines, buoys. |
| MNB | Mobile Naval Base |
| MNBDO | Mobile Naval Base Defense Organization |
| MNBDO | Mobile Naval Base Defence Organization |
| MNBDO | Mobile Naval Base Defence Organisation |
| MNC | Merchant Navy Code |
| MND | Minister of National Defence |
| MNEU | Mission Navale Etats Unis, Washington |
| MNOPF | Merchant Navy Officer's Pension Fund |
| MNP | Merchant navy Privilege |
| MNS | Manager of Naval Stores |
| Mnvre | Manoeuvre |
| MO | Medical Officer (doctor) |
| MO | Medical Officer |
| MO | Meteorological Observer |
| MO | Meteorological Technician |
| MO | Medical Officer or Military Operations |
| MO I/C | Medical Officer In Command |
| MO(D) | Medical Officer (Dental) |
| MO(s) | Militia Order |
| MOA | Ministry of Aviation |
| MOB | Mobile or mobilization |
| MOB | Man overboard |
| MOB | Mobile or Mobilization |
| MOB FD BTY | Mobile Field Battery |
| MOB VET SEC | Mobile Veterinary Section |
| Mobn | Mobile or mobilization |
| MOC | Military Occupation Code |
| MOC | Military Operation Code |
| MOCOMP | Maintenance of Competency (Physicians Only) |
| MOD | Ministry of Defence (UK) |
| MOD | Ministry of Defence |
| MOD(PE) | Ministry of Defence (Procurement Executive) |
| MOEF | Mid-Ocean Escort Force |
| MOF | Master of the Fleet |
| MofWT | Ministry of War Transport |
| MOG | Medical Officer of the Guard |
| MoMM | Motor Machinist's Mate Operate machine tools. Operate and maintain internal combustion engines and engine auxiliaries. Knowledge of pressure and air systems. Be familiar with electrical apparatus. |
| MoMM1c | Motor Machinist's Mate, First Class |
| MoMM2c | Motor Machinist's Mate, Second Class |
| MOMP | Mid Ocean Meeting Point |
| Mon | The Monmouthshire Regiment |
| MON | Monmouthshire Regiment |
| MON. | Monmouthshire |
| MONMOUTH R | Monmouthshire Regiment |
| MonmouthR | Monmouthshire Regiment |
| MONTG. | Montgomeryshire |
| MOPA | Military Objective Previously Attacked |
| MOPP | Mission Oriented Protective Posture |
| MOR | Mortar |
| MORAY | County of Moray |
| MORT | Maintenance Officer Rescue Tugs |
| MORU | Mobile Operations Room Unit |
| MOS | Ministry of Supply |
| MOS | Marine Observation School; or Military Occupational Structure |
| MOS | Ministry of Supply |
| MOSID | Military Occupation Structure Identification Description |
| MOT | Motor or motorized |
| MOT | Motor or Motorised |
| Mot CO | Motor Contact Officer |
| Mot. | Motor |
| MOTP | Medical Officer Training Plan |
| MOTU | Marine Operational Training Unit |
| MOU | Memorandum of Understanding |
| MOUT | Military Operations in Urban Terrain |
| MOV | Movement |
| Mov | Movement Control Staff |
| MOV O | O Movement Order |
| Mov. | Movements |
| MP | Military police or meeting point |
| MP | Memorial Plaque |
| MP | Military Police |
| MP | Military Policeman |
| MP | Muster Parade |
| MP | Military Police or Meeting Point or Member off Parliament |
| MP&DB | Main Party |
| MP&DB | Military Prison & Detention Barracks |
| MP&DB | Military Prison and Detention Barracks |
| MPB | Mean Point of Burst |
| MPCC | Military Police Complaints Commission |
| MPCRI | Mercantile Pacific Coastwise Routeing Instructions |
| MPD | Military Prisons Department |
| MPDB | Military Provost Detention Barracks |
| MPFC | Mobile Petrol Filling Company |
| mpg | Miles Per Gallon |
| MPH | Miles per hour |
| mph | Miles per Hour |
| MPI | Mean Point of Impact |
| MPI | Mean Point of Impact |
| MPIR | Military Police Investigation Report |
| MPO | Moving Picture Operators |
| MPRI | Mercantile Pacific Routeing Instructions |
| MPRR | Members Personnel Record Rsum |
| MPS | Manning Priority System |
| MPSC | Military Provost Staff Corps |
| MPSC | Military Provost Staff Corps |
| MPSCAO/S | Mobile Printing Section Canadian Army Overseas |
| MPSU | Mobile Parachute Servicing Unit |
| MPTC | Mobile Petrol Transport Company |
| MPU | Message Picking Up |
| MQMS | Mechanic Quartermaster-Sergeant |
| MR | Master-at-Arms |
| MR | Mounted Rifles |
| MR | R?giment de Maisonneuve (French only) |
| MR | R?giment de Montmagny (French only) |
| MR | Motor Regiment |
| MR | Medium Regiment |
| MR | Midland Regiment |
| MR | Mobilization & Recruiting Section of Organization |
| MR SQUADRON | squadron Medium Reconnaissance squadron |
| MRAF | Marshal of the Royal Air Force |
| MRC | Military Research Centre |
| MRD | Manitoba Regimental Depot |
| MRD | Moncton Recruiting Depot |
| MRD | Manitoba Regimental Depot - facility behind front used to assemble men and to store and administer equipment and materials |
| MRE | Meal Ready to Eat (rations) |
| MRES | Missing Research and Enquiry Service |
| MREU | Missing Research and Enquiry Unit |
| MRF | Meteorological Research Flight |
| MRF | Les Fusiliers de Mont-Royal (French only) |
| MRS | Maritime Reconnaissance School |
| MRS | Medical Receiving Station |
| MRSS | Medium Regiment Signals Section |
| MRT | Mountain Rescue Team |
| MRU | Medical Rehabilitation Unit; or Mobile Radio Unit |
| MS | Master Seaman (Navy) |
| MS | Minesweeper |
| MS | Motor Ship (U.S.) |
| MS | Medical Staff |
| MS | Military Secretary |
| MS | Master Sergeant |
| MS | Mechanical Specials |
| MS | Master Seaman or Minesweeper or Military Secretary |
| MS(No) | Senior Officer (Number) Minesweeping Flotilla |
| MSA | Military Service Act (Canada 1917) |
| MSB | Medical Selection Boards |
| MSB | Military Service Branch |
| MSC | Medical Staff Corps |
| MSD | Medical Stores Depot |
| MSD | Munitions & Supply Depot |
| MSD | Main Supply Depot |
| MSE | Mobile Support Equipment |
| MSEO | Mobile Support Equipment Officer |
| MSEOP | Mobile Support Equipment Operator |
| MSF(No) | (Number) Minesweeping Group |
| MSFF | Moroccan Sea Frontier |
| MSFU | Merchant Ship Fighter Unit |
| MSG | Message |
| MSG | Maintenance Support Group |
| MSG(No) | (Number) Minesweeping Group |
| Msgt | Master Sergeant |
| MSL | Missile |
| MSL | Mean Sea Level |
| MSLC | Mount Saint Louis Contingent |
| MSLSH | (Mechanized) Squadron Lord Strathcona's Horse (Royal Canadians) |
| MSM | Mainstream Media |
| MSM | Meritorious Service Medal |
| MSM | Mechanic Sergeant-Major |
| MSM | Meritorious Service Medal |
| MSR | Morse Slip Reader |
| MSR | Main Supply Routes |
| MSRTM | Marine Superintendent Rescue Tugs Mediterranean |
| MSS | Mechanist Staff Sergeant |
| MSSC | Military Store Staff Corps |
| MSTech | Mechanical Systems Technician |
| MStGeo | Medal of Saint George (Russia) |
| MSU | Mobile Signals Unit, Maintenance Sub Unit |
| MT | Mechanical Transport; or Motor Transport |
| MT | Militia |
| MT | Military |
| MT | Motor Transport |
| MT | Mechanical Transport |
| MT | Mechanical or Motor Transport |
| MTAP | Military Training Assistance Program |
| MTB | Motor Torpedo Boat |
| MTB | Motor Torpedo Boat |
| MTBD | Mechanical Transport Base Unit |
| MTC | Militia Training Centre |
| MTC(A&TS) | Military Training Centre (Administrative & Training Staff) |
| MTCDS | Military Training Centre District School |
| MTCRCOC | Mechanics Training Centre, Royal Canadian Ordnance Corps |
| MTCT | Militia Training Centre Trainees |
| MTD | Mechanical Transport Driver |
| MTD | Mounted |
| mtd | Mounted |
| MTDGB(B) | Mechanical Transport Depot Guard Borden (Borden) |
| MTDRCOC | Mechanized Transport Depot, Royal Canadian Ordnance Corps |
| MTE | Mechanical Training Establishment |
| Mtech | Metals Technician |
| MTF | Mauritius Territorial Force |
| mtg | Mounting |
| MTHU | Mechanical Transport Holding Units |
| MTICMHQRCOC | Mechanical Transport Inspectorate Canadian Military Headquarter, Royal Canadian Ordnance Corps |
| MTIRCASC | Mechanical Transport Inspectorate, Royal Canadian Army Service Corps |
| MTIRCEME | Mechanical Transport Inspectorate, Royal Canadian Electrical and mechanical Engineers |
| MTLRU | Mechanical Transport Light Repair Unit |
| MtlTech | Metals Technician |
| MTMA | Military Terminal Maneuvering Area |
| MTMU | Mechanical Training Mobile Unit or Mobile Torpedo Maintenance Unit |
| MTN | Mountain |
| mtn | Mountain |
| Mtn. | Mountain |
| MTO | Mechanical Transport Officer |
| MTO | Motor Transport Officer |
| MTO | Mechanical Transport Officer (Air) |
| MTO | Mechanical Transport Officer |
| MTOC | Maintenance Training Officer Course |
| MTOC | Mechanical Training Officer Course |
| MTP | Main Teaching Point(s) |
| MTP | Military Training Pamphlet |
| MTR | Mechanical Transport Regiment |
| MTRU | Motor Transport Repair Unit |
| MTRU | Motor Transport Repair Unit |
| MTS | Motor Transport Service |
| MTS | Motor Transport Stores |
| MTSD | Mechanical Transport Stores Depot |
| MTSDRCOC | Mechanical Transport Sub Depot, Royal Canadian Ordnance Corps |
| MTSS | Mechanical Transport Servicing Section |
| MtStBSC | Mount St. Bruno Summer Camp (Bruno Training Battalion & Bruno Summer Camp Headquarters) |
| MTTD | Motor Transport Training Depot |
| MTTSCRCOC | Mechanical Transport Technical Stores Company, Royal Canadian Ordnance Corps |
| MTU | Mosquito Training Unit |
| MTVRD | Mechanical Transport Vehicle Reception Depot |
| MTW/SSRCOC | Mechanical Transport Workshop Section, Royal Canadian Ordnance Corps |
| MTW/SSRCOC | Military Training |
| MTW/SSRCOC | Mobilization Training Centre |
| MTW/SSRCOC | Movement Train |
| MU | Maintenance Unit |
| MU | Medically Unfit |
| MU | Maintenance Unit |
| MU | Maintenance Unit |
| MUG | Mid Upper Gunner |
| Mus | Musician Play standard band music. Read music at sight. |
| Mus | Musician |
| Mus | Muslim |
| Mus1c | Musician, First Class |
| Mus2c | Musician, Second Class |
| MUSC | Music |
| Muscn | Musician |
| MV | Master-At-Arms |
| MV | Muzzle Velocity |
| MV | Motor Vehicle |
| MV | Motor Vessel or Muzzle Velocity |
| MVAF | Malaya Volunteer Air Force |
| MVO | Member of the Royal Victorian Order |
| MVO | Member of the 4th or 5th Class of the Royal Victorian Order |
| MVOR | Movement Order |
| MVT | Movement |
| MvtCon | Movements Controller |
| MW | Maintenance Wing |
| MW,SSupt | Metals Workshops Superintendent |
| MWO | Master Warrant Officer |
| MWSS | Minor War Signal Station |
| MWT | (British) Ministry of War Transport |
| MWTelO | Marine Wireless Telegraph Operator |
| MX | Middlesex Regiment (Duke of Cambridge's Own) |
| MX | Memorial Cross |
| MX | Middlesex |
| Mx (Midx) | The Middlesex Regiment (Duke of Cambridge's Own) |
| MX YEO | Middlesex Yeomanry |
| Mx&H | The Middlesex and Huron Regiment |
| N | Northumbrian |
| N | Navigation |
| N | Nursing |
| N Div | Navigation (Quartermasters) |
| N Shore R | The North Shore (New Brunswick) Regiment |
| N STAFFS | North Staffordshire Regiment (The Prince of Wales's) |
| N Staffs (NStfs) | The North Staffordshire Regiment (The Prince of Wales's) |
| N STAFFS R | The North Staffordshire Regiment (The Prince of Wales's) |
| N YEO | Northamptonshire Yeomanry |
| N Yeo (NY) | The Northhamptonshire Yeomanry Regiment |
| N-DOW/SRCOC | Non-Divisional Ordnance Workshop, Royal Canadian Ordnance Corps |
| N-EP | Non-Effective Personnel |
| N-ETWB | Non-Effective Transit Wing Battalion |
| N.B. | New Brunswick (Canada) |
| N.I. | Northern Ireland |
| N.S. | Nova Scotia (Canada) |
| N/A | not applicable |
| N/E | Non Effective Used |
| N/E Unit | Non-Effective Unit |
| N/K | Not Known |
| N/K | Next of kin |
| N/S | Nursing Sister(s) |
| N/T | Non-Technical (Trade) |
| NA | North Africa |
| NA | Naval Attache |
| NA | Naval Aircrewman |
| NA | Not Applicable or North Africa |
| NA(P and P) | Naval Assistant (Policy and Plans) |
| NAAF | Northwest African Air Force |
| NAAFI | Navy, Army, Air Force Institute |
| NAAFI | Navy, Army and Air Force Institutes (sacrilege to leave this out) |
| NAAFI | Navy, Army and Air Force Institute |
| NAAFI | Navy Army and Airforce Institute |
| NAB | Naval Auxiliary Boats |
| NAC | Naval Accommodation Camp |
| NAC | Naval Assignment Sub-Committee for U.S. Ammunition Pool |
| NAC | New Apostle Church |
| NACAF | North African Air Force |
| NACO(I) | Naval Adviser, Combined Operations (India) |
| nad | No Active Disease |
| NAD | Naval Ammunition Depot |
| NAD | Naval Air Division or Navigation |
| NAFDU | Naval Air Fighting Development Unit |
| NAFTA | North American Free Trade Agreement |
| NAGS | Naval Air Gunners School |
| NAI | Named Area of Interest |
| NAIRNS. | Nairnshire |
| NAMPCB | Naval Air Maintenance Party China Bay |
| NAP | Normal (sometimes Nieuw) Amsterdams(che) Peil |
| NAR | Naval Air Representative |
| NARD | Northern Aircraft Repair Depot |
| NAS | Naval Air Station |
| NASAF | North African Strategic Air Force |
| NASO | Naval Armament Supply Officer |
| NASOL | Naval Armament Supply Officer, Levant |
| NATAF | Northwest African Tactical Air Force |
| NATAF | North African Tactical Air Force |
| NatDef | National Defence |
| NATO | North Atlantic Treaty Organization |
| NATO | North Atlantic Treaty Organisation |
| NATOUSA | North African Theatre of Operations, U.S. Army |
| NAV | Navigator |
| NAV | Navigator |
| NAVAID | Navigational aid |
| NAVEX | Navigation Exercise |
| NAVOP | Naval Operations (U.S.) |
| NAWW | Night All-weather Wing |
| NAY | Naval Auxiliary Yachts |
| NB | New Brunswick |
| NB Rang | The New Brunswick Rangers Regiment |
| NBC | Nuclear Biological and Chemical |
| NBCD | Nuclear, Biological and Chemical Defence |
| NBCW | Nuclear, Biological, Chemical Warfare |
| NBG | New Barracks, Gosport |
| NBH | New Brunswick Hussars |
| NBMHRCAMC | North Bay Military Hospital, Royal Canadian Army Medical Corps |
| NBO | Naval Stores Officers |
| NBR | The New Brunswick Regiment |
| NBR | New Brunswick Rangers |
| NBR(T) | New Brunswick Regiment (Tank) |
| NBRangers | New Brunswick Rangers |
| NCC | Non-Combatant Corps |
| NCC | Non-Combatant Company or Companies |
| NCCIS | National Command and Control Information System |
| NCDT | Naval Cadet |
| NCDT | Naval Cadet |
| NCETF | Naval Commander Expeditionary Task Force |
| NCGroup | Naval Co-Operation Group |
| NCIP | National Counter-Intelligence Program |
| NCM | Non-Commissioned Members |
| NCMGS | Non-Commissioned Member General Specification |
| NCMPDS | Non-Commissioned Member Professional Development System |
| NCNAF | Naval Commander Northern Attack Force |
| NCO | Non-Commissioned Officer |
| NCO | Non-Commissioned Officer (includes all serjeants) |
| NCO | Non-Commissioned Officer |
| NCO | Non-Commissioned Officer |
| NCR | Naval Central Registry |
| NCR(Conf) | Naval Central Registry (Confidential Section) |
| NCS | Northern Communication Squadron |
| NCS | Naval Control Service |
| NCSI | Naval Control Service Instructions |
| NCSO | Naval Control Service Officer |
| NCU | Night Conversion Unit |
| NCXF | Naval Commander, Expeditionary Force |
| NCycBn | Northern Cyclist Battalion |
| NDA | National Defence Act |
| NDA | Naval Distributing Authority |
| NDA | National Defence Act |
| NDA | Naval Discipline Act |
| NDCC | National Defence Command Centre |
| NDCPC | Newfoundland Detachment "C" Provost Corps |
| NDHQ | National Defence Headquarters |
| NDHQ SEC | Sec National Defence Headquarters Secretariat |
| NDHQC | National Defence Headquarters Constabulary |
| NDHQCCDC | National Defence Headquarters Company, Canadian Disciplinary Centre OR Canadian Dental Corps |
| NDHQCRCASC | National Defence Headquarters Company, Royal Canadian Army Service Corps |
| NDHQCRCOC | National Defence Headquarters Company, Royal Canadian Ordnance Corps |
| NDHQS&SCIntC | National Defence Headquarters Security & Security Section Canadian Intelligence Corps |
| NDHQSRSC | National Defence Headquarters Section, Royal Canadian Signals |
| NDHQTCRCASC | National Defence Headquarters Transport Company, Royal Canadian Army Service Corps |
| NDHQVPE | National Defence Headquarters Vehicle Proving Establishment |
| NDMC | National Defence Medical Center (hospital) |
| NDO | Northern Drafting Officer |
| NDOC | National Defence Operations Centre |
| NDOFP | Non-Divisional Ordnance Field Park, Royal Canadian Ordnance Corps |
| NDSP | National Defence Security Policy |
| NEA | Non effective Airframe |
| NEA | North East Atlantic Area |
| NEAFIS | North Eastern Air Flying Instructors School |
| NEAR | Near East Air Force |
| NEC | Near East Command or Necessary |
| NECRI | Northern Europe Coastal Route Instructions |
| NED | Naval Equipment Depot |
| NEI | Netherlands East Indies |
| NEO | New Entry Officer; or Non-combatant Evacuation Operations |
| NEO | New Entry Officer |
| NEOCDE | Naval Experiment Officer, Chemical Defence Experimental Section |
| NERT | Nuclear Emergency Reaction Team |
| NES | Non-Effective Strength |
| NES | Non-Effective Strength |
| NETD | Non-Effective Transit Depot |
| Newf | The Newfoundland Regiment |
| NEWFLD. | Newfoundland |
| NF | Royal Northumberland Fusiliers |
| NF | The Royal Northumberland Fusiliers Regiment |
| NF | Neutralising Fire |
| NF | The Royal Northumberland Fusiliers |
| NFA | Natal Field Artillery |
| NFA | Non Forecasted Airlift |
| NFCIEF | Naval Force Commander, India Experimental Force |
| NFD | No further Data |
| NFDS/W/U | Night Fighter development Squadron/Wing/Unit |
| NFDU | Night Fighting Development Unit |
| NFF | Night Fighter Flight |
| NFLD | Newfoundland |
| NFLS | Night Fighter Leaders School |
| NFORCE | Nassau, Bahamas (Special Company The Pictou Highlanders) |
| NFP | Night-Fighting Plotting |
| NFPA | National Fire Protection Association |
| NFT | No further trace |
| NFT | Night Flying Test |
| NFTS | Night Fighter Training Squadron |
| NG | New York-Guantanamo Convoy |
| NG | Nitroglycerin |
| NGCS | Naval General Call Sign |
| NGO | Non-Governmental Organization |
| NGO | Non Governmental Organization |
| NH | The Northumberland Hussars Regiment |
| NHR | Naval Historical Records |
| NI CF | CF Night Conversion Flight |
| NI(S) | Naval Instructions to Salaried Consular Officers |
| NI(U) | Naval Instructions to Unsalaried Consular Officers |
| NIAB | Network in a Box |
| NIB | New In Box |
| NIH | North Irish Horse |
| NIH | The North Irish Horse Regiment |
| NIH | North Irish Horse |
| NIMHRCAMC | Neys Internment Camp Military Hospital, Royal Canadian Army Medical Corps |
| NInf | Naval Information Section |
| NInf | Naval Information |
| NIrH | North Irish Horse |
| NIS | National Investigation Service |
| NJTP | National Joint Training Plan |
| NK | Not Known |
| NKB | Not Kite Balloons |
| NL | Nutrition Laboratories |
| NL | Labrador-Quebec Convoy |
| NLO(A) | Naval Liaison Officer (Australia) |
| NLOTs | Naval Liaison Officers Transports |
| NMC | Nanaimo Military Camp |
| NMCJS | Naval Member Canadian Joint Staff |
| NMCS | Naval Member Canadian Staff |
| NMed | Naval Medical Officer, Naval Headquarters |
| NMH | Newmarket Military Hospital |
| NMHRCAMC | Nanaimo Military Hospital, Royal Canadian Army Medical Corps |
| NMHRCAMC | Neill Military Hospital, Royal Canadian Army Medical Corps |
| NMHRCAMC | Neys Military Hospital, Royal Canadian Army Medical Corps |
| NMHRCAMC | Niagara Military Hospital, Royal Canadian Army Medical Corps |
| NMOHSC | Non-Medical Officers Hygiene Sanitation Course |
| NMR | The Natal Mounted Rifles Regiment |
| NMSU | Nimrod Major Servicing Unit |
| NNLO | Netherlands Naval Liaison Officer |
| NNS Highrs | The North Nova Scotia Highlanders Regiment |
| NNSH | North Nova Scotia Highlanders |
| NO | Nursing Officer |
| No | Number |
| NO | Naval Officer |
| NO | Nursing Officer or Not Observed |
| No. | Number |
| No(s) | Number(s) |
| NOB | Naval Operation Base (U.S.) |
| NOBARGEN | Naval Operating Base, Argentina (U.S.) |
| NOBERM | Naval Operating Base, Bermuda (U.S.) |
| NOBGTMO | Naval Operating Base, Guantanamo (U.S.) |
| NOBHALIX | Naval Operating Base, Halifax (U.S.) |
| NOBSYD | Naval Operating Base, Sydney (U.S.) |
| NOBTRIN | Naval Operating Base, Trinidad (U.S.) |
| NOComm | Naval Orders Committee (Judge Advocate General) |
| NOCSO | Neglecting Obey Camp Standing Orders |
| NofK | Next of Kin |
| NOi/c | Naval Officer-in-Charge |
| NOIC | Naval Officer In Command |
| NOIC | Naval Officer in charge |
| NOK | Next of Kin |
| NOK | Next-of-Kin |
| NORAD | North American Air Defence (Command) |
| NORFOLK | Royal Norfolk Regiment |
| Norfolk (Norf) | The Royal Norfolk Regiment |
| NORFOLK R | The Royal Norfolk Regiment |
| NorfR | Norfolk Regiment |
| NorfYeo | Norfolk Yeomanry |
| NORIB | Naval Officer's Relatives Information Bureau |
| North'dFus | Northumberland Fusiliers |
| North'dYeo | Northumberland Yeomanry |
| North'nR | Northamptonshire Regiment |
| North'nYeo | Northamptonshire Yeomanry |
| NORTHAMPTONS | Northamptonshire Regiment |
| Northamptons (Nthp) | The Northamptonshire Regiment |
| NORTHAMPTONS r | The Northamptonshire Regiment |
| NORTHANTS. | Northamptonshire |
| NORTHUMB. | Northumberland |
| NOTAM | Notice To Airmen |
| NOTTS | YEO Nottinghamshire Yeomanry (TA) |
| NOTTS. | Nottinghamshire |
| Notts&DerbyR | Nottinghamshire & Derbyshire Regiment (The Sherwood Foresters) |
| NOTWT | Not Wireless Telegraphy |
| NP | Non-permanent |
| NPA | North Pacific Area |
| NPAM | Non-Permanent Active Militia |
| NPAMF | Non-Permanent Active Militia Force |
| NPAMTCA&TS | Non Permanent Active Militia Training Centre Administrative & Training Staff |
| NPD | Naval Purchasing Division |
| NPF | Non Public Funds |
| NPM | Naval Provost Marshal |
| NPP | Non-Public Property |
| NPP | Non Public Property |
| NPR | Naval Personnel Records |
| NPT | Northern Patrol Trawlers |
| NR | Northern Rhodesia |
| NR | Number (U.S.) |
| NR | Not Recorded |
| NRC | Nuclear Reporting Cell |
| NRC | Navigational Raiding Craft |
| NRC | National Research Council |
| NRE | Atheist, Agnostic or no Religion |
| NREF | North Russia Expeditionary Force |
| NRMA(of 1940) | National Resources Mobilization Act of 1940 |
| NRR | The Northern Rhodesia Regiment |
| NRSSTP | Naval Reserve Summer Student Training Program |
| NS | Nursing Sister |
| NS | Naval Storesman |
| NS | Norwegian Ship |
| NS | Nova Scotia |
| NS | Naval Service |
| NS Highrs | The North Nova Scotia Highlanders Regiment |
| NS(No) | Naval Service file number |
| NSA | North Sea Area |
| NSB | Naval Servicing Boat |
| NSC | Naval Shore Code |
| NSCE | National Star Certification Exam |
| NSCRCS | Newfoundland Signal Company, Royal Canadian Signals |
| NSDC | Naval Surplus Disposal Committee |
| NSDRCOC | Nanaimo Sub-Depot, Royal Canadian Ordnance Corps |
| NSDU | Navigation synthetic Development Unit |
| NSE | National Security Exception |
| NSec | Naval Secretary |
| NSHQ | Naval Service Headquarters |
| NSIS | Naval Store Issuing Ship |
| NSN | NATO Stock Number |
| NSO | Naval Store(s) Officer |
| NSO | Naval Staff Officer |
| NSomYeo | North Somerset Yeomanry |
| NSPTF | Navigators Staff Pilot Training Flight |
| NSR | The Nottinghamshire (Sherwood Rangers) Yeomanry Regiment |
| NSR | Notts (Sherwood Rangers) Yeomanry |
| NSR(NB) | North Shore (New Brunswick) Regiment |
| NSRD | Nova Scotia Regimental Depot |
| NSRD | Nova Scotia Regimental Depot - facility behind front used to assemble men and to store and administer equipment and materials |
| NSSC | National Security Studies Course |
| NStaffsR | North Staffordshire Regiment |
| NSTC | Nova Scotia Technical College |
| NStr | Nursing Sisters |
| NSTS(No) | Naval Services Top Secret file number |
| NSW | New South Wales (Australian state) |
| NSY | The North Somerset Yeomanry Regiment |
| NSY | North Somerset Yeomanry |
| NT | No Trace |
| NT | Northern Territory (Australian federal territory) |
| NT | No trace |
| NT&YRS | Northwest Territories & Yukon Radio System |
| NTA(East)(West) | Northern Transit Area East/West |
| NTB | Norwegian Training Base |
| NTO | Naval Transport Officer |
| NTR | Nothing To Report |
| NTR | Nothing to Report |
| NTS | (Night) Training Squadron |
| NTS | Naval Transportation Service (U.S.) |
| NTU | Navigation Training Unit, Pathfinder Force; or No Take Up |
| NU | Nurse |
| NUR | Nursing |
| NursA | Nursing Assistant |
| NVAC | Naval Volunteer Ambulance Corps |
| NVG | Night Vision Goggles |
| NVITS | Night Vision Instructors Training School |
| NVT&TS | Night Vision Training & Testing School |
| NVTS | Night Vision Training School |
| NW | North West |
| NWA | North West Atlantic Area |
| NWAAF | North West African Air Forces |
| NWAAF | North West African Air Force |
| NWAASC | North West African Air Service Command |
| NWAC | North West Air Command |
| NWACAF | North West African Coastal Air Force |
| NWACF | North West African Coastal Air Force |
| NWASAF | North West African Strategic Air Forces |
| NWATAF | North West African Tactical air Force |
| NWATBF | North West African Training Bomber Force |
| NWATC | North West African Training Command |
| NWB | New Wellington Barracks |
| NWDRCCS | North West Detachment, Royal Canadian Corps of Signals |
| NWE | North West Echelon |
| NWE | Northwest Europe |
| NWFP | Nort West Frontier Province |
| NWHME | Northwest Highway Maintenance Establishment |
| NWHS | Northwest Highway System |
| NWR | Naval Weekly Report |
| NWS1 | Medical Examination and Certificate Form, National Resources Mobilization Act of 1940 |
| NWT&YRSRCS | Northwest Territories & Yukon Radio System Royal Canadian Signals |
| NX | Naval Exchange |
| NXFRON | Commander New Zealand Frontier |
| NY | Northamptonshire Yeomanry |
| NYBOS | Navy Yard, Boston (U.S.) |
| NYD | not yet determined |
| NYD | Naval Yard (U.S.) |
| NYD | Not Yet Determined - a medical condition not yet diagnosed |
| NYD | Not Yet Diagnosed - a medical condition not yet diagnosed |
| NYD | Not Yet Determined |
| NYK | Not Yet Known |
| NYK | Not Yet Known |
| NYPEATL | Navy Yard Pearl Harbour (U.S.) |
| NZ | New Zealand |
| NZ | New Zealand |
| NZA | The Royal Regiment of New Zealand Artillery |
| NZAOC | New Zealand Army Ordnance Corps |
| NZE | Royal Corps of New Zealand Engineers |
| NZF | New Zealand Flight |
| NZLO | New Zealand Liaison Officer |
| NZMC | New Zealand Medical Corps |
| NZMR | New Zealand Mounted Rifles |
| NZNB | New Zealand Naval Board |
| NZRB | New Zealand Rifle Brigade |
| NZSC | New Zealand Staff Corps |
| NZVC | New Zealand Veterinary Corps |
| O | Observer |
| O | Operations Branch of the General Staff |
| O | Qualified Naval Observer |
| O | Operations Section or Operation(s) or Officer |
| O GROUP | Group Order Group |
| O-V (RS)2 | Officers of the Volunteer Reserve experienced in electrical engineering appointed for ordnance duties. |
| O-V (S)2 | Officers of the Volunteer Reserve appointed for special ordnance duties. |
| O/ | Ordinary |
| O/C | Officer Commanding |
| O/Cdt | Officer Cadet |
| O/S | Ordinary Seaman |
| O/S | Overseas |
| O/SDCCODRCOC | Overseas Detachment Canadian Camp Ordnance Depot, Royal Canadian Ordnance Corps |
| O&RTU | Operational and Refersher Training Unit |
| OA | Ordnance Artificer |
| OA,1c(or2c,3c,4c,5c) | Ordnance Artificer, 1st Class (or 2nd,3rd,4th or 5th Class) |
| OAC | Ontario Agricultural College |
| OAC | Ottawa Area Command |
| OAC | Ordnance Ammunition Company |
| OACRCOC | Ordnance Ammunition Company, Royal Canadian Ordnance Corps |
| OACRO | Ottawa Area Command Routine Orders |
| OADF/U | Overseas Aircraft Delivery Flight/Unit |
| OADU | Overseas Aircraft Despatch Unit |
| OAFU | Observers Advanced Flying Unit |
| OAMCU | Overseas Air Movements Control Unit |
| OANS | Observers Air Navigation School |
| OAP | Observation Amphibian Plane (U.S.) |
| OAPU | Overseas Aircraft Preparation Unit |
| OAR | Obusna Aeroplansva Radionica, (District Aviation Workshop) |
| OARCE | Officer Administering, Royal Canadian Engineers |
| OATS | Officers Advanced Training School |
| OATU | Observers Advanced Training Unit |
| OB Ph | Oblique Photographs |
| OBD | Ordnance Beach detachment |
| OBE | Order of the British Empire |
| OBE | Order of the British Empire |
| OBJ | Objective |
| OBLI | Oxfordshire & Buckinghamshire Light Infantry |
| OBLT | Oberleutnant |
| OBS | Observer School |
| OBS | Observation (USAAF) |
| OBSN | Observation |
| OBUA | Operations in Built Up Areas |
| OBV | Ocean Boarding Vessel |
| OC | Officer Commanding (or CO); or Officer Cadet |
| OC | Officer's Cook |
| OC | Officer Commanding |
| OC | Officer Cadet |
| OC | Officer of the Order of Canada |
| OC | Officer's Clerk |
| OC | Officer Commanding or Offiver in Coomand |
| OC Div Sigs | Officer Commanding Divisional Signals |
| OCDP | Officer Career Development Plan |
| OCdr | Ordinary Coder |
| OCDT | Officer Cadet |
| OCDT | Officer Cadet |
| OCIPEP | Office of Critical Infrastructure and Emergency Preparedness |
| OComm | Orders Committee |
| OCRASC | Officer Commanding Royal Army Service Corps |
| OCRCRCAMC | Oakville Casualty Retraining Centre, Royal Canadian army Medical Corps |
| OCRN | Officer Commanding, Royal Navy |
| OCSL | Officer Commanding Searchlight |
| OCT | Officer Cadet in Training |
| OCTP | Officer Candidate Training Plan |
| OCTP | Officer Cadet Training Plan |
| OCTU | Officer Cadet Training Unit |
| OCTU | Officers Cadet Training Unit |
| OCTU | Officer Cadet Training Unit |
| OCU | Operational Conversion Unit |
| OCW | Officer-in-Charge Works |
| OD | Air Mechanic (Ordnance) |
| OD | Ordnance Depot |
| ODC | Ordnance Depot Company |
| ODSRCOC | Ordnance Depot Saskatoon, Royal Canadian Ordnance Corps |
| ODT | Office of Defence Transportation |
| OEO | Ordnance Engineer Office |
| OEU | Operational Evaluation Unit |
| Off | Office |
| OffcCdt | Officer Cadet |
| OFFR | Officer |
| Offr | Officer |
| OFP | Ordnance Field Park |
| OFU | Overseas Ferry Unit |
| OG | Officer of the Guard |
| OGp | Orders Group |
| OGS | Officer General Specifications |
| OGS | Officer General Specification |
| OHA | Osmali Horse Artillery |
| OHF | Occupational History Form |
| OHMS | On His Majesty's Service |
| Oi/c | Officer of Charge |
| OIC | Officer in Charge; or Officer's Initial Course |
| OIC | Osmali Irregular Cavalry |
| OIC | Officer-in-Charge |
| OIC | Officer in Charge |
| OinC | Order in Council |
| OINC | Officer-in-Charge |
| OItoCSGHQEA | (Ordnance) Increment to Canadian Section General Headquarters Echelon Army Group |
| OJE | On Job Experience |
| OKH | Oberkommando des Heeres |
| OKH | Oberkommando des Heeres (Army High Command, Berlin) |
| OKM | Operator Keyboard and Line |
| OKW | Oberkommando der Wehrmacht |
| OKW | Oberkommando der Wehrmacht (Armed Forces High Command) |
| OL | Overseas Liaison (officer) |
| OLP | Observation Landplane (U.S.) |
| OM | Overseas Minister |
| OM | Order of Merit |
| OM | Member of the Order of Merit |
| OMD | Ordnance Medical Department |
| OME | Ordnance Mechanical Engineer |
| OME | Ordnance, Munitions, and Explosives |
| OMERU | Ordnance Mechanical Engineers Reinforcement Unit |
| OMFC | Overseas Military Forces of Canada |
| OMFC | Overseas Military Forces of Canada - Canadian cabinet ministry that conducted Canadian military affairs in London, England |
| OMHRCAMC | Orillia Military Hospital, Royal Canadian Army Medical Corps |
| OMHRCAMC | Ottawa Military Hospital, Royal Canadian Army Medical Corps |
| OMHRCAMC | Ozada Military Hospital, Royal Canadian Army Medical Corps |
| OMM | Officer of the Order of Military Merit |
| OMO | Ordnance Mechanical Officer |
| ON | United Kingdom-North America Convoy |
| ON | Official Number |
| ONS | United Kingdom-North America Slow Convoy |
| Ont | Ontario |
| Ontario | The Ontario Regiment |
| OntR | Ontario Regiment |
| OntRgt | Ontario Regiment |
| ONUC | Organisation des Nations Unies au Congo |
| OO | Operation order or ordnance officer |
| OO | Orderly Officer |
| OO | Ordnance Officer |
| OO | Operation(al) Order |
| OO | Orderly Officer or Operation Order or Observer Officer |
| OOB | Order of Battle |
| OOD | Officer of the Day |
| OofPCTintheFAAI | Office of the Paymaster Canadian Troops in the Field Allied Armies in Italy |
| OoftheI-G | Office of the Inspector-General |
| OoftheJAG | Office of the Judge Advocate General |
| OOG | Officer of the Guard |
| OOP | Officer of Patrol |
| OOPE | Officer in charge Office Practice & Equipment (Naval) |
| OOTW | Operations Other Than War |
| OOW | Officer of the Watch |
| OP | Operate, operated, operation, operational or operator |
| OP | Operation / Observation Post (if upper case) |
| op | Operate, operated, operation, operational or operator |
| OP | Observation Post |
| OP | Operation or Observation Post |
| OP O | O Operation Order |
| Op. Coy. | Operating Company |
| Op. Det. | Operation Detachment |
| Op. Gp. | Operating Group |
| Op. Sec. | Operating Section |
| OPD | Other Protestant Denomination |
| OPDP | Officer Professional Development Program |
| OpEEqpt | Operator Engineering Equipment |
| OPI | Office of Primary Interest |
| OPL | Operational |
| OPL | Operational |
| OPME | Officer Professional Military Education |
| OpMME | Operator Mechanic Mobile Equipment |
| OPNAV | Chief of Naval Operations (U.S.) |
| OPP | Operational Planning Process |
| OpRmA | Operating Room Assistant |
| Oprs | Director of Military Operations & Intelligence |
| Ops | Operations, Operating |
| ops | operations |
| Ops | Operations |
| OPS O | O Operations Officer |
| Ops. | Operations |
| OpSbd | Operator Switchboard |
| OPSEC | Operational Security |
| OpsO | Operations Officer |
| OpSSE | Operator (Special Engineering Equipment) |
| OPTG | Operating |
| OPtlmn | Ordinary Patrolman |
| Optng | Operating |
| OPV | Offshore Patrol Vessel; or Observation Post Vehicle |
| OPV | Offshore Patrol Vessel |
| OQ | Occupation Qualification |
| OR | Orderly Room; or Other Ranks (Often mistakenly taken to mean Ordinary Ranks); |
| OR | Other Ranks (includes lance-serjeants, all corporals, and soldiers) |
| OR | Operating Room Assistant |
| OR | Other Rank(s) |
| OR | Orderly |
| OR | Orderly Room |
| OR | Other Rank |
| OR | Ontario Regiment |
| OR | Oxford Rifles |
| OR | Other Rank/s or Orderly Room |
| OR BAT | Bat Order of Battle |
| ORB | Operations Record Book |
| ORB | Operational Records Book |
| ORBAT | Order of Battle |
| ORBS | Overseas Recorded Broadcasting Service |
| ORD | Ordnance |
| ORD | Ordinary Seaman |
| ORD | Ordnance |
| Ord. | Ordnance |
| Ord. Fd. Pk. | Ordnance Field Park (Ord Fd Pk) |
| Ord. Fd. Pk. Det. | Ordnance Field Park Detachment (Ord Fd Pk Det) |
| Ord. Fd. Pk. Sub. Pk. | Ordnance Field Park Sub-Park (Ord Fd Pk Sub Pk) |
| Ord.Fd.Pk. | Ordnance Field Park (Ord Fd Pk) |
| Ord.Fd.Pk.Det. | Ordnance Field Park Detachment (Ord Fd Pk Det) |
| ORG | Organize, organized or organization |
| Org | Director of Organization |
| ORG | Organization |
| ORKNEYS | Orkney Islands |
| ORP | Polish Ship |
| ORS | Operational Research Section |
| ORS | Orderly Room Sergeant |
| ORS | Ottawa Routeing Summary |
| ORS | Operational Research Section |
| ORSE | Orderly Room Sergeant |
| ORTU | Operational & Refresher Training Unit |
| ORTU | Other Ranks Training Unit |
| ORV | Objective Rendezvous |
| OS | Observers School; or Ordinary Seaman (Navy) |
| OS | Officers School |
| OS | Ordinary Seaman |
| OS | Overseas - all areas outside the territorial waters of North America |
| OS | Officer's Steward |
| OS | Ordnance Services or Ordinary Seaman |
| OS(B) | Ordinary Seaman (Basic) |
| OS(R) | Ordinary Seaman (Recruit) |
| OS(Records) | Observation Section |
| OSAB | Officer's Selection Appraisal Board (O-1 Officers' Training Centre) |
| OSAC | Officer Selection Appraisal Centre |
| OSAIRCOC | Ordnance Stores Accounting Inspectorate, Royal Canadian Ordnance Corps |
| OSC | Officers Senior Course (for RAFVR (T) officers, conducted at ACTC) |
| OSC | Overseas Staff College |
| OSC | Ordnance Staff Corps |
| OSC | Ordnance Store Company |
| OSCRCOC | Ordnance Store Company, Royal Canadian Ordnance Corps |
| OSig | Ordinary Signalman |
| OSMSCMHQRCOC | Ordnance Services Mobilization Staff, Canadian Military Headquarters, Royal Canadian Ordnance Corps |
| OSOAG | Observers School of Reconnaissance& Aerial Gunnery |
| OSQ | Occupation Specialty Qualification |
| OSR&AP | Observers School of Reconnaissance& Aerial Gunnery |
| OSRD | Office of Scientific Research and Development |
| OSSDRCOC | Officers Shop Supply Depot, Royal Canadian Ordnance Corps |
| OSTJ | Officer of the Order of St John |
| OT | Aruba-Dakar convoy |
| OT | Occupation Transfer |
| OTC | Officers Training Centre |
| OTC | Officer Training Corps |
| OTC | Officer in Tactical Command (U.S.) |
| OTC | Officer Training Candidate |
| OTC | Officers Training Corps |
| OTC"R" | Officers Training Centre "Reserve" |
| OTel | Ordinary Telegraphist |
| OTS | Operational Training Squadron; or Operational Training School |
| OTS | Officers Training School |
| OTS | Operational Training Squadron |
| OTSCU | Officer Training School Conversion Unit |
| OTU | Operational Training Unit |
| OTU | Operational Training Unit(s) |
| OTU | Operational Training Unit |
| OTW | Operational Training Wing |
| OU | Official Use |
| OU | Official Use |
| OUAS | Oxford University Air Squadron |
| OVSVA | Oranje-Vrystaat Veldartillerie |
| OW/SCoyRCOC | Ottawa Workshop Company, Royal Canadian Ordnance Corps |
| OW/SRCEME | Ottawa Workshop, Royal Canadian Electrical and Mechanical Engineers |
| OW/SRCOC | Ordnance Workshop, Royal Canadian Ordnance Corps |
| OWL | Operator Wireless and Line |
| Ox&BucksLI | Oxfordshire & Buckinghamshire Light Infantry |
| OXF BUCKS | Oxfordshire and Buckinghamshire Light Infantry |
| OXF BUCKS | The Oxfordshire and Buckinghamshire Light Infantry |
| Oxf Bucks (OxB) | The Oxfordshire and Buckinghamshire Light Infantry Regiment |
| OxfYeo | Oxfordshire Yeomanry |
| OXON. | Oxfordshire |
| OxR | The Oxford Rifle Regiment |
| OXV | Outer Examination Vessel |
| OZ | Ounce(s) |
| P | Pilot |
| P | Qualified Pilot duties |
| P | Postal or persistent (gas) |
| P & A | & A Pay and Allowances |
| P CORPS | Pioneer Corps |
| P Det | Port Detachment |
| P INFO | Info Public Information |
| P PARK | Petrol Park |
| P RES | Res Primary Reserve |
| P.& S.S. | Printing and Stationary Service |
| P.R. | Public Relations |
| P/G | Postagram |
| P/L | Plain Language |
| P/L | Privilege Leave |
| P/M | Pipe Major |
| P/N | Phonogram |
| P/N | Phonogram |
| P/O | Pilot Officer |
| P/S | Postogram |
| P/V | Paravane |
| P&A | Pay and Allowance |
| P&A | Pay and Allowances |
| P&D'S | Pipes and Drums |
| P&JSURCAMC | Plastic & Jaw Surgery Unit, Royal Canadian Army Medical Corps |
| P&NH | Department of Pensions & National Health |
| P&NH100 | Department of Pensions and National Health Hospital (Cases) |
| P&NH102 | X-Ray Report Department of Pensions and National Health |
| P&O | Peninsular and Oriental Steam Navigation Co |
| P&RT | Physical and Recreational |
| P&S | Plaque and Scroll (Memorial) |
| P&S | Plaque & Scroll (Memorial) - given to the families of soldiers who died during service |
| P1 | Petty Officer 1st Class |
| P2 | Petty Officer 2nd Class |
| PA | Public Affairs |
| PA | Put away |
| PA | Personal Assistant |
| PA | Physiotherapy Aide |
| PA | Paymaster |
| PA | Panama |
| PA | Prince Albert Volunteers |
| PA | Prophylactic Ablution Centre, Royal Canadian Army Medical Corps |
| PA | Personal assistant or put away |
| PA&B Vols | The Prince Albert and Battleford Volunteers Regiment |
| Pac | Pacific |
| PAC | Public Archives of Canada |
| PACT | Pre Aircrew Training |
| PAD | Passive air defence |
| PAD | Passive Air Defence (trench) |
| PADS | Passive Air Defence Section |
| PAERS | Prospect Applicant Electronic Record System |
| PAF | Polish Air Force |
| PAF | Polish Air Force |
| Paff | Public Affairs |
| PAFF O | O Public Affairs Officer |
| PAFU | Pilots Advanced Flying Unit |
| PAFU | (Pilot) Advanced Flying Unit |
| PAG | The Prince Alfred's Guard Regiment |
| PAIC | Persian and Iran Commands |
| PAIFORCE | Persia and Iraq Force |
| PAL | Palestine |
| PALO | Port Amenities Liaison Officer |
| PAM | Publications And Manuals |
| PAM | Permanent Active Militia |
| PAM | Permanent Active Militia of Canada |
| PAMHRCAMC | Port Arthur Military Hospital, Royal Canadian Army Medical Corps |
| PAMHRCAMC | Prince Albert Military Hospital, Royal Canadian Army Medical Corps |
| PandRT | Physical and Recreational Training Officer |
| PAO(I) | Principal Administrative Officer (India) |
| PAOCFA | The Prince Alfred's Own, Cape Field Artillery |
| PAPDO(I) | Plastic Armour Protection Development Officer (India) |
| PAPO(I) | Plastic Armour Protection Officer (India) |
| PAR | Precision Approach Radar |
| Par | Paragraph |
| PARA | Paragraph or parachute- more usually pct -parachutist or parachute |
| Para | The Parachute Regiment |
| PARA | REGT Parachute Regiment |
| PARA | Paratrooper |
| Para | Parachute |
| Para | Paragraph |
| Para | Paragraph |
| PARA REGT | Parachute Regiment |
| Part II | Part II Orders |
| Part II O | Part II Orders |
| Part II OCAP | Part II Orders Civil Affairs Pool |
| Part II ODHQCAPO | Part II Orders Defence Headquarters Canadian Army Post Office |
| Part II's | Part II Orders |
| Part III OCAD | Part III Orders Civil Affairs Depot |
| Part/Serv | Particulars of Service |
| PAS (G) | Principal Assistant Secretary (General) |
| PAS (P) | Principal Assistant Secretary (Personnel) |
| PAS (S & O) | Principal Assistant Secretary (Supply and Organisation) |
| PAS/U | Pilotless Aircraft Section Unit |
| PAT | Personnel Awaiting Training |
| Pat | Patrol Boat |
| PAT | Patrol |
| PAT | Pathology |
| PATP | Packed Aircraft Transit Pool |
| PATS | Pre-Aircrew Training School |
| PATS | Pre/aircrew Training Schools |
| PAV | Prince Albert Volunteers |
| PAVG | Prince Albert's Volunteer Guard |
| PAVO | The Prince Albert Victor's Own Cavalry Regiment (11th Frontier Force) |
| PAX | Passengers |
| Pay | Directory of Pay Services |
| Paymr(Rank) | Paymaster (Rank) |
| PAYR | Paymaster |
| PB | Pipe Band |
| PB | Patrol Boat |
| PB | Plumber |
| PB | Pounder Battery |
| PBFR | Patrol Boat Fisherman's Reserve |
| PBM | Principal Beach Master |
| PBM | Principal Beachmaster |
| PBS | Prefabricated Bituminous Surfacing |
| PBS | Prefabricated hessian (building material) |
| PBTU | Port Bn. Training Unit |
| PC | Plane Captain |
| PC | Pacific Command |
| PC | Privy Council |
| PC | Privy Council (Orders) |
| PC | Practical Course |
| PC | Patrol Vessel Submarine Chaser (US) |
| PC | 180 ft. Army Salvage or At Sea Vessel |
| PC | Paymaster Clerk |
| PC | Permanent Commission or Principal Chaplain or Paymaster-Captain or Privy Councillor |
| PC(RCMP) | Provost Company (Royal Canadian Mounted Police) |
| PC2ndE | Pacific Command 2nd Echelon |
| PCB | Protected Communications Building |
| PCC | Port Construction Company |
| PCCF | Progress Captain Coastal Forces |
| PCCS | Protectorate Communication & Support Unit |
| PCCWACKD | Platoon Company Canadian Women's Army Corps, Kingston Detachment |
| PCET | Personnel Controller Eastern Theatre |
| PCF | Primary Combat Function |
| PCforQMS | Practical Course for Quarter Master Sergeants |
| PCLU | Pioneer and Civil Labour Unit |
| PCMR | Pacific Coast Militia Rangers |
| PCPT | Paymaster Captain |
| PCRCASC | Pacific Command, Royal Canadian Army Service Corps |
| PCRCASC | Port Company, Royal Canadian Army Service Corps |
| PCS | Personnel Counsellors School |
| PCS | Pilot Conversation School |
| PCSIS | Pacific Command Security Intelligence Section |
| PCT | Paymaster Canadian Troops |
| PCTC | Provost Corps Training Centre |
| PCWTCRCASC | Pacific Command Water Transport Company, Royal Canadian Army Service Corps |
| PD | Packing Depot; or Professional Development |
| Pd | Paid |
| PD | Per Day |
| PD | Professional Development |
| PD | Petrol Depot |
| PD (No) | Admiralty Record Office File Number |
| PD Coord | Personnel and Defence Co-ordinator |
| PD&Hregt | Peel, Dufferin & Halton Regiment |
| PDC | Personnel Dispatch Centre; or Professional Development Council; or Port Defence Committee |
| PDC | Professional Development Council |
| PDCPC | Postal Detachment, Canadian Postal Corps |
| PDD of S | Principal Deputy Director of Signals |
| PDEV | Personnel Development (to be issued) |
| PDG | Paymaster Director General |
| PDO | Passive Defence Officer |
| PDO | Port Defence Officer |
| pdr | Pounder |
| PDR | Pounder |
| PDRC | Personnel Dispatch and Reception Centre |
| PDRCAPC | Petawawa Detachment, Royal Canadian Army Pay Corps |
| PDS | Post Design Services; or Professional Development System |
| PDSC | Permanent Degaussing Specification Centre |
| PDU | Personnel Dispersal Unit; or Photographic Development Unit |
| PE | Permanently Employed |
| PE | Permanent Establishment |
| PE&R | Physical Education and Recreation |
| PEARL | Peal Harbour (U.S.) |
| PEE | Proof & Experimental Establishment |
| PEE | Proof and Experimental Establishment |
| PEEBLES. | Peeblesshire |
| PEFTS | Polish Elementary Flying Training School |
| PEI | Prince Edward Island |
| PEI | Permanently Employed Instructor |
| PEI | Prince Edward Island |
| PEI Highrs | The Prince Edward Island Highlanders Regiment |
| PEIH | Prince Edward Island Highlanders |
| PEILH | The Prince Edward Island Light Horse Regiment |
| PEILH | Prince Edward Island Light Horse |
| PEM. | Pembrokeshire |
| PembrokeYeo | Pembroke Yeomanry |
| PENT | Pentecostal Church |
| PEO | Principal Engineering Officer |
| PEO | Principal Establishment Officer |
| PER | Personnel Evaluation Report |
| PERI | Physical Education and Recreation Instructor |
| PermBr(s) | Permanent Bridge(s) |
| PERMIS | Personnel Electronic Records Management Information System |
| PERO | Principal Emergency Repair Officer |
| Pers | Directory of Personnel Services |
| PERSEC | Personnel Security |
| Perth | The Perth Regimentr |
| PERTH. | Perthshire |
| PES | Parachute Exercise Squadron |
| PET | Petrol |
| Pet | Petrol (gasoline) |
| Pet. | Petrol |
| PF | Practice Flight |
| PF | Permanent Force |
| PFF | Pathfinder Force |
| PFFNTU | Pathfinder Force Navigational Training Unit |
| PFLO | Port Facilities Liaison Officer |
| PFO | Probationary Flight Officer |
| PFS | Parachute Flying Section; or Primary Flying School |
| PFTS | Polish Flying Training School |
| PFU | Practice Flying Unit |
| PG | Patrol Vessel, Gunboat (U.S.) |
| PG | Proving Ground |
| PG Ftr | Plumber Gas Fitter |
| PGDRCEME | Proving Ground Detachment, Royal Canadian Electrical and Mechanical Engineers |
| PGMHRCAMC | Prince George Military Hospital, Royal Canadian Army Medical Corps |
| PGTF | Polish Grading & Testing Flight |
| PGTS | Parachute& Glider Training School |
| PH | Photograph or photographic |
| ph | Photograph, Photographer, Photographic |
| PH | Pictou Highlanders |
| Ph | Photograph or photographic or photography |
| PH R | Photographic reconnaissance |
| Ph R | Photographic Reconnaissance |
| PHE | Plastic High Explosive |
| PhM | Pharmacist's Mate Take charge of sick bay. Do minor surgery and administer simple medicines. |
| PhM1c | Pharmacist's Mate, First Class |
| PhM2c | Pharmacist's Mate, Second Class |
| PhM3c | Pharmacist's Mate, Third Class |
| PhoM | Photographer's Mate Organize and direct operations of Naval photographic units. Operate motion picture machines. Develop negatives and make prints. |
| PhoM1c | Photographer's Mate, 1st Cl. |
| PhoM2c | Photographer's Mate, 2d Cl. |
| PhoM3c | Photographer's Mate, 3d Cl. |
| PHOS | Phosphorus |
| Photo | Photographer |
| Photo(N) | Photo Section (Naval) |
| PHOTOGRID | Gridded vertical air photograph |
| PHOTOGROD | Vertical air photograph, gridded |
| PHS | Prefabricated Hessian Surfacing |
| PhtTech | Photographic Technician |
| PHU | Personnel Holding Unit |
| Physio | Physiotherapist |
| PhysoOTAide | Physio-Occupations Therapy Aide |
| PI | Practice Interception |
| PI | Plot and Radar Instructor |
| PI | Pioneer |
| PIAT | Projector, infantry, anti-tank |
| PIB | Personal Information Bank |
| Pictou Highrs | The Pictou Highlanders Regiment |
| Pion | Pioneer |
| PISE | Pioneer Sergeant |
| PITB | Pacific Infantry Training Battalion |
| PIU | Photographic Intelligence Unit |
| PIU | Photographic Intelligence Unit |
| PJBD | Permanent Joint Board on Defence |
| PK | Park |
| Pk | Park |
| Pk. | Park |
| PL | Platoon |
| PL | Princess Louise Fusiliers (Now 23rd Army Tank Regiment) |
| PL | Privileged leave |
| Pl | Platoon |
| PL | Platoon or Privilege Leave |
| PL Fus | The Princess Louise Fusiliers Regiment |
| Pl. | Platoon |
| PL(NB)H | Princess Louise (New Brunswick) Hussars |
| PLAR | Prior Learning Assessment and Recognition |
| Plbr | Plumber |
| PLD | Post Living Differential |
| PLDG | The Princess Louise?s Dragoon Guards Regiment |
| PLDG | Princess Louise Dragoon Guards |
| PLE | Prudent Limit of Endurance |
| PLF | Princess Louise Fusiliers |
| PLFus | Princess Louise Fusiliers |
| PLK | Princess Louise's Kensington Regiment |
| PLN | Platoon |
| PLPMHRCAMC | Portage La Prairie Military Hospital, Royal Canadian Army Medical Corps |
| PLQ | Primary Leadership Qualification |
| Plr | Plumber |
| PLS | Pallet Loading System |
| PLT | Pilot Officer |
| PLUTO | Pipeline Under The Ocean |
| PLY | Plymouth Division |
| PM | Provost marshal |
| PM | Patternmaker Use pattern and molding tools. Execute intricate patterns. |
| PM | Provost Marshall |
| PM | Polar Medals |
| PM | Paymaster |
| PM | Pharmacist |
| PM | Pipe Major or Provost-Marshal |
| PM&SU | Parachute Maintenance and Servicing Unit |
| PM1c | Patternmaker, First Class |
| PM2c | Patternmake, 2d Class |
| PMA | Personal Military Assistant |
| PMat | Principal Matron |
| PMatron | Principal Matron |
| PMC | Personnel Management Centre; or President of the Messing Committee. |
| PMC | President of the Mess Committee |
| PMCCMSC | Petawawa Military Camp Corps of Military Staff Clerks |
| PMCT | Pay Master Corps Troops |
| PMCTDRCAPC | Paymaster Canadian Troops Detachment Royal Canadian Army Pay Corps |
| PMED | Preventive Medicine |
| PMHRCAMC | Petawawa Military Hospital, Royal Canadian Army Medical Corps |
| PMHRCAMC | Peterboro Military Hospital, Royal Canadian Army Medical Corps |
| PML | Preferred Manning Level |
| PMML | Pilot Model Mobile Laundry |
| PMNS | Princess Mary's (Royal Air Force) Nursing Service |
| PMO | Principal Medical Officer |
| PMO | Principal Medical Officer |
| PMPS | Permanent Military Provost Staff |
| PMQ | Private Married Quarters |
| PMQ | Permanent Married Quarters |
| PMR | Paymaster |
| PMR | Paymaster or Practical Map Reading |
| Pmr-in-Chief | Paymaster-in-Chief |
| Pmr. | Paymaster |
| PMTO | Principal Medical Transport Officer |
| PN | Patrol Vessel, Eagles (Eagle Boat) (U.S.) |
| PN | Painter |
| PNA | Polish Naval Attache |
| PNE | Permanently Non Effectives |
| PNLO | Principal British Naval Liaison Officer to Allied Navies |
| PNR | Corps Pioneer Corps |
| Pnr | Pioneer - member of a pioneer battalion, used for specialized engineering work in rear areas |
| Pnr | Pioneer |
| Pnr(Bn) | Pioneer (Battalion) |
| PNRS | Pioneers |
| PNSO | Port Minesweeping Officer |
| Pntr | Painter |
| PO | Post Office |
| PO | Petty Officer (Naval Rank equal to Warrant Officer) |
| PO | Performance Objective |
| PO | Petty Officer |
| PO | Performance Objective |
| PO | Pilot Officer |
| PO | Portsmouth Division |
| PO | Pilot Officer or Petty Officer or Potential Officer |
| PO(Postal) | Petty Officer (Postal) |
| PO1 | Petty Officer 1st Class |
| PO2 | Petty Officer 2nd Class |
| POA | Pacific Ocean Area |
| POC | Port Operating Company |
| POCdr | Petty Officer Coder |
| POCk | Petty Officer Cook |
| POE | Port of Embarkation |
| POET | Performance Oriented Electronic Training |
| POETS DAY | Day Push Off Early Tomorrow's Saturday |
| PofWOR | Princess of Wales Own Regiment |
| PofWR | Prince of Wales Rangers |
| POG | Person Other than Grunt, describing anyone not Infantry |
| POL | Petroleum, Oil, Lubricants |
| POL | Petroleum Oil and Lubricants |
| POM | Potential Officer Material |
| POM | Petty Officer Mechanic |
| POMMD | Principal Officer Mercantile Marine Depot |
| POMV | Personally/Privately Owned Motor Vehicle |
| PONTI | Slang Personnel Of No Tactical Importance |
| PoP | Plaster of Paris |
| POR | Personnel Occurrence Records |
| POSM | Petty Officer Stoker Mechanic |
| POSN | Position |
| POSN | Position |
| Post | Base Post Office |
| PostClk | Postal Clerk |
| POStwd | Petty Officer Steward |
| POTel | Petty Officer Telegraphist |
| POTU | Polish Operational Training Unit |
| POW | Prisoner of War; or Privately Owned Weapon |
| POW | Prisoner of War |
| POW | Prisoner of War |
| POW Rang | The Prince of Wales Rangers (Peterborough Regiment) |
| POWEDCProC | Prisoner of War Escort Detachment Canadian Provost Corps |
| POWtr | Petty Officer Writer |
| PP | Pilot Pupil |
| PP | Petrol point |
| PP | Palestinian Ports |
| PP | Parachutist Pay |
| PP | Princess Pat's (Princess Patricia's Canadian Light Infantry) |
| PP | Pilot Pupil or Petral Point |
| PPAPO(I) | Port Plastic Armour Protection Officers (India) |
| PPCB | President, Pensions & Claims Board |
| PPCLI | Princess Patricia's Canadian Light Infantry |
| PPCLI | Princess Patricia's Canadian Light Infantry - Canadian regiment of experienced soldiers privately established by Hamilton Galt |
| PPCLI (Patricias) | Princess Patricia's Canadian Light Infantry |
| PPE | Personal Protective Equipment |
| PPF | Parachute Practice Flight; or Patrol Pathfinder |
| PPI | Plan Position Indicator (Rotating radar display) |
| PPI | Plan Position Indicator |
| PPO | Principal Priority Officer |
| PPO | Press and Publicity Officer |
| PPOp | Power Plant Operator |
| PPP | Pupils Pilots Pool |
| PPS | Priority Point Score |
| PQ | Practical Qualifications |
| PQ | Province of Quebec |
| PR | Pounder |
| PR | Photographic Reconnaissance |
| PR | Parachute Rigger Pack and repair parachutes. Parachute jumping experience. |
| Pr | Private |
| PR | River Gunboat (U.S.) |
| PR | Physical and Recreational trainer |
| PR | Public Relations |
| PR | Pounder |
| PR(M) | Perth Regiment (Motor) |
| PR(PAO) | The Pretoria Regiment (Princess Alice's Own) |
| PR1c | Parachute Riggerr, First Class |
| PR2c | Parachute Rigger, Second Class |
| PR3c | Parachute Rigger, Third Class |
| PRADO | Port Radar Officer |
| PRAHQ | Prince Rupert Area Headquarters |
| PRB | Performance Review Board |
| PRB | Progress Review Board |
| PRC | Personnel Reception Centre |
| PRC | Progress Review Committee |
| PRDU/E | Photographic Reconnaissance Development Unit/ Establishment |
| PreOCTUS | Pre. Officers Cadet Training Unit School |
| PRES | The Primary Reserve |
| pres | Presumed |
| Pres | Presbyterian |
| PRES | Primary Reserve |
| Presb | Presbyterian |
| PRETC | Post Recruit Education Training Centre |
| Prev | Previously |
| PRFU/S | Pilots Refresher Flying Unit/School |
| PRH | Petrol railhead |
| PRH | Petrol Railhead |
| PRI | Physical Recreation Instructor |
| PRI | President Regimental Institutes |
| Print | Chief of Printing & Stationery |
| PrivLeave | Privileged Leave |
| PrivLve | Privileged leave |
| PRLO | Principal Repair Liaison Officer |
| PRMHRCAMC | Peace River Military Hospital, Royal Canadian Army Medical Corps |
| PRMHRCAMC | Prince Rupert Military Hospital, Royal Canadian Army Medical Corps |
| PRO | Provost |
| PRO | Provost |
| Pro. | Provost |
| PRO(Officer) | Director of Public Relations (Army) |
| Prob | Probationer |
| Probr | Probationer |
| proc | Proceeded |
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| Prov | Provost Corps |
| Prov | Provisional |
| PRP | Petrol refilling point |
| PRRP | Pilots Reserve & Reinforcement Poll (Middle East) |
| PRTD | Palestine Recruits Training Depot |
| PRTO | Principal Railway Transport Officer |
| Prtr | Printer Take charge of ship's printshop, set type. Read proof. |
| Prtr1c | Printer, First Class |
| Prtr2c | Printer, Second Class |
| Prtr3c | Printer, Third Class |
| PrtrL | Printer L Lithographer. |
| PrtrM | Printer M Multilith operator. |
| PRTU | Pilot Refresher Training Unit |
| PRU | Photographic Reconnaissance Unit/Pilot Replacement Unit; or Personnel Reception Unit |
| PRU | Photo Reconnaissance or Photographic Unit |
| PRV | Patrol Service Central Depot |
| PS | Parachute School |
| PS | Public Schools |
| PS | Parachute School or Printing and Stationary |
| PS-S | Provost Sub-Sections |
| PS(Army) | Private Secretary to the Minister (Army) |
| PS(N) | Private Secretary to the Minister (Naval) |
| PSA | Personnel Support Agency |
| PSE | Paymaster Sergeant |
| PSEA | Public Service Employment Act |
| PSER | Pay Sergeant |
| PSF | Panama Sea Frontier |
| PSHRMAC | Public Service Human Resources Management Agency of Canada |
| PSI | President of the Services Institute |
| PSLRA | Public Service Labour Relations Act |
| PSM | Platoon Sergeant-Major |
| PSM | Platoon Sergeant Major (Warrant Officer III) |
| PSM | Platoon Sergeant Major |
| PSO | Personnel Selection Officer |
| PSOD | Permanent Staff Organization Duty |
| PSP | Perforated Steel Planking (for runways); or Personnel Support Program |
| PSP | Pierced Steel Plank |
| PSP | Petrol Stores Platoon or Pierced Steel Plank |
| PSTC | Peace Support Training Centre |
| PSTO | Principal Sea Transport Officer |
| PSTO | Principal Sea Transport Officer |
| PSTOME | Principal Sea Transport Officer, Middle East |
| PSVO | Principal Salvage Officer |
| PSWQ | Platoon Support Weapons Qualifications |
| PT | Physical Training |
| PT | Point |
| PT | Physical Training |
| PT | Physical and Recreational Training Instructor |
| PT | Patrol Vessel, Motor Torpedo Boat (U.S.) |
| PT | Physical Training |
| Pt | Point |
| Pt II | Part II (orders relating to personnel of unit: promotions, courses attended, leave, disciplinary matters, etc) |
| Pt II DO | Part II Daily Orders |
| Pt II O | Part II Order(s) - administrative orders issued by a unit (see DO) |
| PTB | Pacific Training Brigade |
| PTC | Parachute Training Centre; or Personnel Transit Camp; or Personnel Transit Centre |
| PTC | Motorboat, Submarine Chaser |
| PTC | Primary Training Centre |
| PTCO | Principal Technical Costs Officer |
| PTD | Palestine Training Depot |
| PTE | Private |
| Pte | Private - lowest rank of enlisted soldier |
| PTE | Private |
| PTE(B) | Private (Basic) |
| PTE(R) | Private (Recruit) |
| PTE(T) | Private (Trained) |
| PTEAM | Private Ambulance |
| PTEBU | Private Bugler |
| PTEDRU | Private Drummer |
| PTEPI | Private Pioneer |
| PTF | Parachute Test Flight |
| PTF | Pacific Task Force |
| PTFOC | Petrol Tin Factory Operating Company |
| PTI | Physical Training Instructor |
| PTI | Physical Training Instructor |
| PTL | Patrol |
| Ptlmn | Patrolman |
| Ptn | Platoon |
| PTO | Part II Order(s) |
| PTO | Pacific Theater of Operations or Please Tuen Over |
| PTPRCASC | Petrol Tanker Platoon, Royal Canadian Army Service Corps |
| Ptr | Painter Prepare and apply paints and varnishes. Lay and repair tiling and linoleum. Take charge of and repair fire extinguisher and rescue breathing apparatus. |
| Ptr | Painter |
| Ptr1c | Painter, First Class |
| Ptr2c | Painter, Second Class |
| Ptr3c | Painter, Third Class |
| PtrV | Painter V Aviation painter. |
| PTS | Parachute Training School/Squadron/ Section |
| PTS | Parachute Training School |
| PTS | Parachute Training School |
| PTTRCASCPBF | Pack Transport Troop, Royal Canadian Army Service Corps, Polar Bear Force |
| PTU | Parachute Test Unit/ Parachute Training Unit |
| PTU | Port Transit Unit |
| PTURP | Pilots Training Unit & Reinforcement Pool (see also TURP) |
| PTW | Primary Training Wings |
| Punjab | The Punjab Regiment |
| PUO | Pyrexia - of unknown origin fever of an undetermined cause |
| PUS | Permanent Under-Secretary of State |
| PV | Positive Vetting |
| PV | Paravane |
| PW | Prisoner(s) of war |
| PW | Platoon Weapons |
| PW | Pay Writer |
| PW | Photographic Wing |
| PW | Prisoner(s) of War |
| PW | Public Works |
| PW | Prisoner of War |
| PW/TO | Port Wireless Telegraphy Officer |
| PWD | Psychological Warfare Division |
| PWDB | Prisoner of War Detention Barracks |
| PWED | Prisoner of War Information Bureau |
| PWF | Psychological Warfare Unit |
| PWIB | Prisoner of War Escort Detachment |
| PWOR | The Princess of Wales Own Regiment |
| PWOR | Princess of Wales Own Regiment |
| PWP | Post War Planning Committee |
| PWR | Personnel Warning Roster |
| PWR | Prince of Wales Rangers |
| PWS | Protected Weapons Station (in Australia's Army) |
| PWSS | Post War Signal Station |
| PWV | The South Lancashire Regiment (The Prince of Wales's Volunteers) |
| PWV (SLnc) | The Prince of Wales's Volunteers (The South Lancashire Regiment) |
| PY | Pay |
| PYc | Coastal Yacht (U.S.) |
| Q | Quartering or Quartermaster |
| Q&R | Quarters and Rations |
| QA | Quarters Allowance |
| QAIMNS | Queen Alexandria's Imperial Military Nursing Service |
| QAIMNS | Queen Alexandra's Imperial Military Nursing Service |
| QAIMNS | Queen Alexandra's Imperial Military Nursing Service |
| QAIMNSR | Queen Alexandra's Imperial Military Nursing Special Reserve |
| QAPCoy | Quebec Arsenal Protective Company |
| QARNNS | Queen Alexandra's Royal Naval Nursing Service |
| Qbranch | Quartermaster General's Branch |
| QC | Quarrying Company |
| QCRCE | Quarrying Company, Royal Canadian Engineers |
| QCS | Queen's Colour Squadron (RAF Regiment) |
| QDM | Qualified Driver Mechanic |
| QE | Quadrant Elevation |
| QF | Queens Flight |
| QF | Quick Firing |
| QF | Quickfiring |
| QFI | Qualified Flying Instructor |
| QGM | Queen's Gallantry Medal |
| QHN | Queen's Honorary Nurse |
| QHNS | Queen's Honorary Nursing Sister Nurse |
| QI | Quartermaster Instructor |
| QL | Qualification Level |
| QL | "Q" List |
| QL | Qualification Level |
| Qld | Queensland (Australian state) |
| QM | Quartermaster |
| QM | Quartermaster Steer ship and take soundings. Use range finder. Plot bearings. Know signal control and navigation. Send and receive International Code by blinker, searchlight and semaphore. |
| QM | Quartermaster |
| QM | Quartermaster |
| QM1c | Quartermaster, First Class |
| QM2c | Quartermaster, 2d Class |
| QM3c | Quartermaster, Third Class |
| QMAAC | Queen Mary's Army Auxiliary Corps |
| QMCPL | Quartermaster Corporal |
| QMCPT | Quartermaster Captain |
| QMessages | A series of numbered messages giving changes in navigational information due to war conditions |
| QMG | Quartermaster General |
| QMG | Quartermaster General |
| QMHRCAMC | Quebec Military Hospital, Royal Canadian Army Medical Corps |
| Qmr | Quartermaster |
| QMS | Quartermaster Sergeant |
| QMS | Quarter Master Sergeant (Warrant Officer Class II) |
| QMS | Quartermaster Sergeant |
| QMSE | Quartermaster Sergeant |
| QMSI | Quartermaster Sergeant Instructor |
| QOCG | Queen's Own Rifle Guards |
| QOCH | The Queen's Own Cameron Highlanders Regiment |
| QOCHofC | Queen's Own Cameron Highlanders of Canada |
| QOHC | Queen's Own Corps of Guides |
| QOL | Quality of Life |
| QOLPMO | Quality of Life Project Management Office |
| QOLPMO | Quality of Life Management Office |
| QOLSRB | Quality of Life Senior Review Board |
| QOOH | Queen's Own Oxfordshire Hussars |
| QOR | Queen's Own Rifles of Canada |
| QOR of C (QOR) | The Queen's Own Rifles of Canada Regiment |
| QORGlasgowYeo | Queen's Own Royal Glasgow Yeomanry |
| QORofC | Queen's Own Rifles of Canada |
| QOWH | Queen's Own Worcestershire Hussars |
| QOWWY | Queen's Own Warwickshire and Worcestershire Yeomanry |
| QOYD | Queen's Own Yorkshire Dragoons |
| QPB | Queen's Park Barracks Staff |
| QPBS | Queen's Park Barracks |
| QPMHRCAMC | Queen's Park Military Hospital, Royal Canadian Army Medical Corps |
| QR | Quebec Regiment |
| QR | Quarter Ratings |
| QR | Quarters Rate |
| QR | Quarters Rating |
| QR | Queen's Regulations |
| Qr-Mr | Quartermaster |
| Qr.-Mr. | Quartermaster |
| Qr.-Mr.-Gen. | Quartermaster General |
| QR&O | Queen's Regulations and Orders |
| QRD | Quebec Regimental Depot |
| QRD | Quebec Regimental Depot - facility in England used to assemble men and to store and administer equipment and materials |
| Qrmr | Quartermaster |
| QRS | Queen's Regulations |
| QS | Qualification Standard |
| QS | Quebec-Sydney Convoy |
| QS | Qualification Standard |
| QSM | Quartermaster Sergeant-Major |
| QUEEN'S | The Queen's Royal Regiment (West Surrey) |
| Queen's (Qns) | The Queen's Royal Regiment (West Surrey) |
| QueensSR | Queen's Royal West Surrey Regiment |
| QVJI | Queen Victoria's Jubilee Institute |
| QVO | Queen Victoria's Own [Sappers and Miners] |
| QVR | The Queen Victorias Rifles Regiment |
| QW | The Queens Westminster Regiment |
| Qy Rang | Queen?s York Rangers (1st American Regiment) |
| QYR(1st AR) | Queen's York Rangers (1st American Regiment) |
| QYRANG | Queen's York Rangers |
| R | Reserve |
| R | Receiver |
| R | Regiment |
| R | Regimental |
| R | Regular |
| R | Requisitioned |
| R | Reserve |
| R | Royal |
| R | Reserve or Receiver or Reconnaissance or Recce |
| R & T | Reception and Training |
| R 22e R | The Royal 22nd Regiment / Royal 22e R?giment |
| R ADM | Rear Admiral |
| R AND O | Railhead or roadhead, supply officer |
| R BERKS | Royal Berkshire Regiment (Princess Charlotte of Wales's) |
| R BERKS | The Royal Berkshire Regiment (Princess Charlotte of Wales's) |
| R Berks (Berk) | The Royal Berkshire Regiment (Priness Charlotte of Wales's) |
| R de Chat | Le Regiment de Chateuaguay |
| R de Chaud | Le R?giment de la Chaudi?re |
| R de Jol | Le Regiment de Joliette |
| R de Leviss | Le Regiment de Levis |
| R de Mais | Le Regiment de Maisonneuve |
| R de Monty | Le Regiment de Montmagny |
| R de Q | Le Regiment de Quebec |
| R de StH | Le Regiment de St. Hyacinthe |
| R Div | Construction and repair shops, band, ship's service |
| R du Sag | Le Regiment de Saquenay |
| R FUS | The Royal Fusiliers (City of London Regiment) |
| R IR F | Royal Irish Fusiliers (Princess Victoria's) |
| R Ir F | Royal Irish Fusiliers |
| R Ir F (RIF) | The Royal Irish Fusiliers (Princess Victoria's) |
| R of O | Reserve of Officers |
| R Reg C | The Royal Regiment of Canada |
| R SIG | Royal Corps of Signals |
| R SIGS | Royal Corps of Signals |
| R SUSSEX | Royal Sussex Regiment |
| R SUSSEX | The Royal Sussex Regiment |
| R Sussex (Sussex) | The Royal Sussex Regiment |
| R TANKS | Royal Tank Regiment |
| R TKS | Royal Tank Regiment |
| R WILTS YEO | Royal Wiltshire Yeomanry (TA) |
| R Wpg Rif | The Royal Winnipeg Rifles Regiment |
| R-A | Rear-Admiral |
| R. WAR. R. | Royal Warwickshire Regiment |
| R.&C. | Ross and Cromarty |
| R.A.O.C. | Royal Army Ordnance Corps (RAOC) |
| R.A.S.C. | Royal Army Service Corps (RASC) |
| R.A.V.C. | Royal Army Veterinary Corps (RAVC) |
| R.E.M.E. | Royal Electrical and Mechanical Engineers (REME) |
| R/A | Radio Acoustic |
| R/G | Rear Gunner |
| R/R | Railroad |
| R/S/L | Returned Sailing List |
| R/T | Radio Telephony |
| R/T | Radio-telephone |
| R&A | Rations and Allowances |
| R&D | Research & Development |
| R&D | Redesignated & Disbanded Units |
| R&DU | Redesignated and Disbanded Units |
| R&I | Repair & Inspection |
| R&ISEC | Research & Information Section |
| R&Q | Rations and Quarters |
| R&Q | Rations & Quarters |
| R&R | Refueling and Re-Arming |
| R&R | Refueling and Rearming |
| R&SofS | Remission & Suspension of Sentence |
| R&SS | Repair & Salvage Section |
| R&SU | Repair and Salvage Unit |
| R22ER | Royal 22e Regiment |
| R22eR | Royal 22e R?giment (Available in french only) |
| RA | Royal Regiment of Artillery |
| RA | Retirement Age |
| Ra | Rations |
| RA | Air Electronic Technician |
| RA | Radio Artificer |
| RA | Radio Technician (Air) |
| RA | Rear Admiral |
| RA | Regiment of Artillery |
| RA | Royal Artillery |
| RA | Royal Artillery or Royal Regiment of Artillery or Retirement Age |
| RA | Rear Admiral |
| RA 3rd BS | Rear Admiral Third Battle Squadron |
| RA DEPOT | Royal Artillery Depot |
| RA,1c(or2c,3c,4c,5c) | Radio Artificer, 1st Class (or 2nd,3rd,4th or 5th Class) |
| RA(A) | Rear Admiral Aircraft Carriers |
| RA(E)E | Royal Aircraft (Experimental) Establishment |
| RA(M) | Rear Admiral (Minelayers) |
| RA(No) | Rear Admiral (Number) Battle Squadron |
| RA(V) | Rear Admiral (''V'' Force) |
| RAA | Royal Regiment of Australian Artillery |
| RAAF | Royal Australian Air Force; or Royal Auxiliary Air Force (UK) |
| RAAF | Royal Australian Air Force |
| RAAF | Royal Australian Air Force |
| RABD | Royal Artillery Base Depot |
| RAC | Royal Armoured Corps |
| RAC | Royal Armoured Corps or Royal Automobile Club |
| RACD | Royal Army Chaplains Department |
| RACHD | Royal Army Chaplains' Department |
| RAChD | Royal Army Chaplain's Department |
| RACHD | Royal Army Chaplains Department |
| RACOB(WA) | Rear Admiral Combined Operations Base (Western Approaches) |
| RACON | Radar beacon |
| RAD | Rear Admiral Destroyers |
| RAD. | Radnorshire |
| RADC | Royal Army Dental Corps |
| RADC | Royal Army Dental Corps |
| RADM | Rear-Admiral |
| RADM | Rear Admiral2 or Major General |
| RadNav | Radio Navigator |
| RadOp | Radio Operator |
| RadSea | Radioman (Sea) |
| RadTech | Radio Technician |
| RAE | Royal Aircraft Establishment; or Royal Aerospace Establishment |
| RAE | Corps of Royal Australian Engineers |
| RAE | Radio Equipment Assistant |
| RAE | Royal Aircraft Establishment |
| RAEC | Royal Army Education Corps |
| RAEC | Royal Army Education Corps |
| RAECEF | Rear Admiral Escort Carriers Eastern Fleet |
| RAEFAC | Rear Admiral Eastern Fleet Aircraft Carriers |
| RAF | Royal Air Force |
| RAF | Royal Air Force (UK) |
| RAF | Royal Air Force British - air force (Royal Flying Corps [RFC] before April 1918) |
| RAF | Royal Air Force |
| RAF(B)ITS | Royal air Force (Belgium) Initial Training School |
| RAFA | Royal Air Force Association |
| RAFALO | Royal Air Force Association Liaison Officer |
| RAFARS | Royal Air Force Amateur Radio Society |
| RAFASU | RAF Armament Support Unit (formerly BCAS) |
| RAFBF | RAF Benevolent Fund |
| RAFC | Royal Air Force College |
| RAFD | Royal Air Force Depot |
| RAFFC | Royal Air Force Flying College |
| RAFG | Royal Air Force Germany |
| RAFM | Royal Air Force Mesopotamia |
| RAFM | Royal Air Force Mission |
| RAFMB | Royal Air Force Maintenance Base |
| RAFMS | Royal Air Force Music Services |
| RAFNI | Royal Air Force Northern Ireland |
| RAFO | Reserve of Air Force Officers |
| RAFO | Reserve of Air Force Officers |
| RAFRS | Royal Air Force Regiment School |
| RAFSAA | RAF Small Arms Assn. |
| RAFSC | Royal Air Force Staff College |
| RAFSCOCF | Royal Air Force Staff College Overseas Communication Flight |
| RAFTC | Royal Air Force Technical College |
| RAFVR | Royal Air Force Volunteer Reserve |
| RAFVR | Royal Air Force Volunteer Reserve |
| RAG | Rifles Armoury Guards |
| Ragr | Radiographer |
| RAIL | Railway |
| RALSU | Rear Admiral Landing Ships Unallocated |
| RAMC | Royal Army Medical Corps |
| RAMCO | Royal Army Medical Corps Officers |
| RAMO | Rear Aifrield Maintenance Organisation |
| Ran | The Rangers Regiment |
| RAN | Royal Australian Navy |
| RAN | Royal Australian NavyR |
| RANAS(IO) | Rear Admiral Naval Air Stations (Indian Ocean) |
| RANVR | Royal Australian Naval Volunteer Reserve |
| RAO | Royal Artillery Officers |
| RAOC | Royal Army Ordnance Corps |
| RAOC | Royal Army Ordnance Corps |
| RAOCO | Royal Army Ordnance Corps Officers |
| RAP | Reserve Aircraft Pool; or Regimental Aid Post; or Rocket Assisted Projectile; or Recognized Air Picture |
| RAP | Regimental Aid Post |
| RAP | Regimental Aid Post |
| RAPC | Royal Army Pay Corps |
| RAPC | Royal Army Pay Corps |
| RAPDS | Recognized Air Picture Display System |
| RAPO | Records And Pay Office |
| RAPWI | Recovery of Allied Prisoners of War and Internees |
| RAR | Rest and refit |
| RAR | rest and re-equipping |
| RARO | Regular Army Reserve of officers |
| RAS | Reserve Aeroplane School; or Rear Area Security; or Replenishment At Sea |
| RASC | Royal Army Service Corps |
| RASC | Royal Army Service Corps |
| RASpec | Recreation and Athletic Specialist |
| RAT FLIGHT | Flight Radio Aids Training Flight |
| RATE | Rear Admiral Training Establishments |
| RATG | Rhodesian Air Training Group |
| RATS | Rations |
| RATS | Rations |
| RATW | Rhodesian Air Training Wing |
| RAUXAF | Royal Auxiliary Air Force |
| RAVC | Royal Army Veterinary Corps |
| RAVC | Royal Army Veterinary Corps |
| RB | Rifle Brigade (Prince Consort's Own) |
| RB | Rifle Brigade |
| RB | Reconnaisance Battalion or The Rifle Brigade (Prince Consort's Own) |
| RB(IC) | Reconnaissance Battalion (In Canada) |
| RBD | Reinforcement Base Depot |
| RBerksR | Royal Berkshire Regiment |
| RBG | Reserve Brigade Group |
| RC | Recruiting Centre |
| RC | Release Centre |
| RC | Reselection Centre |
| RC | Roman Catholic |
| RC | Royal Canadians |
| RC | Recruits or Recruiting Centre or Reserve Command |
| RC | Roman Catholic or Racecourse or Report Centre |
| RC(IaN) | Refugee Camp (Ile aux Noix) |
| RCA | Royal Canadian Artillery |
| RCA(CD) | Royal Canadian Artillery (Coast Defence Branch) |
| RCAB | Royal Canadian Artillery Band |
| RCAC | Royal Canadian Armoured Corps; or Royal Canadian Army Cadets |
| RCAC | Royal Canadian Armoured Corps |
| RCAC | Royal Canadian Army Cadets |
| RCAC(MP) | Royal Canadian Artillery Camp (Macauley Plains) |
| RCACA | Royal Canadian Armoured Corps Association |
| RCACC | Royal Canadian Army Chaplain Corps |
| RCACD | Royal Canadian Artillery Canadian Division |
| RCAF | Royal Canadian Air Force |
| RCAF | Royal Canadian Air Force (Womens Division) |
| RCAF | Royal Canadian Air Force |
| RCAF | Royal Canadian Air Force |
| RCAF(Aux) | Royal Canadian Air Force (Auxiliary) |
| RCAF(PR) | Royal Canadian Air Force (Primary Reserve) |
| RCAF(R) | Royal Canadian Air Force (Regular) |
| RCAHWENDHQS | Royal Canadian Artillery, Home War Establishment, National Defence Headquarters Section |
| RCAMC | Royal Canadian Army Medical Corp |
| RCAMC | Royal Canadien Army Medical Corps |
| RCAMCPST | Royal Canadian Army Medical Corps Plastic Surgery Team |
| RCAMCTC | Royal Canadian Army Medical Corps Training Centre |
| RCAMCTC(R) | Royal Canadian Army Medical Corps Training Centre (Reserve) |
| RCanDns | Royal Canadian Dragoons |
| RCanHArt | Royal Canadian Horse Artillery |
| RCanR | Royal Canadian Regiment |
| RCanSigEng | Royal Canadian Signal Engineers |
| RCAPC | Royal Canadian Army Pay Corps |
| RCARU | Royal Canadian Artillery Reinforcement Unit |
| RCASC | Royal Canadian Army Service Corps |
| RCASC-CASF | Royal Canadian Army Service Corps - Canadian Active Service Force |
| RCASCB | Royal Canadian Army Service Corps Band |
| RCASCCF | Royal Canadian Army Service Corps Company Force |
| RCASCG | Royal Canadian Army Service Corps Group |
| RCASCHU | Royal Canadian Army Service Corps Holding Unit |
| RCASCRU | Royal Canadian Army Service Corps Reinforcement Unit |
| RCASCTC | Royal Canadian Army Service Corps Training Centre |
| RCASCTCR | Royal Canadian Army Service Corps Training Centre Reserve |
| RCASU | Radar Controlled Air Survey Unit |
| RCATC | Royal Canadian Artillery Training Centre |
| RCATC(R) | Royal Canadian Artillery Training Centre Reserve |
| RCC | Rescue Co-ordination Center |
| RCC | Railway Construction Company |
| RCC | Remote Control Officer |
| RCC of S | Royal Canadian Corps of Signals |
| RCCRCE | Road Construction Company, Royal Canadian Engineers |
| RCCS | Royal Canadian Corps of Signals |
| RCCSTC(R) | Royal Canadian Corps of Signals Training Centre (Reserve) |
| RCD | The Royal Canadian Dragoons Regiment |
| RCD | Royal Canadian Dragoons - heavy cavalry unit |
| RCDC | Royal Canadian Dental Corps |
| RCE | Royal Canadian Engineers |
| RCE(NP) | Royal Canadian Engineers (Non-Permanent Active Militia) |
| RCEB | Royal Canadian Engineers Bands |
| RCECO | Royal Canadian Engineers Corps Orders |
| RCEDF | Royal Canadian Detachment Force |
| RCEME | Royal Canadian Electrical and Mechanical Engineers |
| RCESAbyHQ | Royal Canadian Engineers Section Administered by Headquarters |
| RCETC | Royal Canadian Engineers Training Centre |
| RCETC(R) | Royal Canadian Engineers Training Centre (Reserve) |
| RCEWDCMHQ | Royal Canadian Engineers Works Directorate, Canadian Military Headquarters |
| RCFC | Refresher Course for Officers |
| RCFQ | Refugee Camp Farnham Quebec |
| RCFS | Rhodesian Central Flying School |
| RCGIS | Reserve Command Gliding Instructors School |
| RCHA | The Royal Canadian Horse Artillery Regiment |
| RCHA | Royal Canadian Horse Artillery - specific regiment of artillery inside the Royal Canadian Artillery |
| RCHQ | Rear Canadian Headquarters |
| RCIC | Royal Canadian Infantry Corps |
| RCIFF | Reserve Command Intensive Flying Flight |
| RCITF | Reserve Command Instrument Training Flight |
| RCL | Royal Canadian Legion |
| RCM | Radar and Radio Counter-Measures |
| RCM | Military Sub-Committee Of the Ministerial Committee on Reconstruction Problems |
| RCM SQUADRON FLIGHT | Squadron Flight Radio Counter Measures Squadron Flight |
| RCMP | Royal Canadian Mounted Police |
| RCN | Royal Canadian Navy |
| RCN | Royal Canadian Navy |
| RCN(R) | Royal Canadian Navy (Reserve) |
| RCNB | Royal Canadian Naval Barracks |
| RCNH | Royal Canadian Naval Hospital |
| RCNMR | Royal Canadian Naval Monthly Reserve |
| RCNR | Royal Canadian Navy Reserve |
| RCNR(FR) | Royal Canadian Naval Reserve (Fisherman's Reserve) |
| RCNVR | Royal Canadian Naval Volunteer Reserve |
| RCOC | Royal Canadian Ordnance Corps |
| RCOCAM | Royal Canadian Ordnance Corps Army Magazine |
| RCOCB | Royal Canadian Ordnance Corps Band |
| RCOCCO | Royal Canadian Ordnance Corps Orders |
| RCOCHU | Royal Canadian Ordnance Corps Holding Unit |
| RCOCMG(MD)P | Royal Canadian Ordnance Corps Magazine Guard (McGivney Depot) Petawawa |
| RCOCTC(R) | Royal Canadian Ordnance Corps Training Centre (Reserve) |
| RCPC | Royal Canadian Postal Corps |
| RCR | The Royal Canadian Regiment |
| RCR | Royal Canadian Regiment - one of the oldest Canadian infantry regiments, founded in 1883 |
| RCS | Royal Corps of Signals |
| RCS | Radar and Communications School |
| RCS | Routing & Convoy Section (Naval) |
| RCS | Royal Canadian Signals |
| RCSB | Royal Canadian Signals Band |
| RCSC | Royal Canadian Sea Cadets |
| RCSE | Royal Canadian Signal Engineers |
| RCSigs | Royal Canadian Corps of Signals |
| RCSME | Royal Canadian School of Military Engineering |
| RCSTC | Royal Canadian Signals Training Centre |
| RCTF | Reserve Command Training Flight |
| RCZ | Rear Combat Zone |
| RD | Road |
| rd | round |
| RD | Reception Depot |
| RD | Release Depot |
| RD | Repair Depot |
| RD | Repatriation Depot |
| RD | Repair Depot or Road or Rounds |
| RD CONSTR COY | Road Construction Company |
| RD Junc | Road Junction |
| Rd. | Road |
| Rd. Constr. Coy. | Road Construction Company (Rd Constr Coy) |
| RDA | Records Disposition Authority |
| RDAF | Royal Danish Air Force |
| RDAO | Regional Departmental Accounting Office |
| RDBW(RHR) | Regimental Depot The Black Watch (Royal Highland Regiment) of Canada |
| RDC | Royal Defence Corps |
| RdConstCoy | Road Construction Company |
| RdeChat | R?giment de Chateauguay (Disponible en fran?ais seulement) |
| RdeChaud | R?giment de Chaudiere (Disponible en fran?ais seulement) |
| RdeH | R?giment de Hull (Disponible en fran?ais seulement) |
| RdeJol | R?giment de Joliette (Disponible en fran?ais seulement) |
| RdeMais | R?giment de Maisonneuve (Disponible en fran?ais seulement) |
| RdeMont | R?giment de Montmagny (Disponible en fran?ais seulement) |
| RdeStHya | R?giment de St-Hyacinthe (Disponible en fran?ais seulement) |
| RDevonYeo | Royal Devon Yeomanry |
| RDF | Radio Direction Finder (Radar) |
| RDF | Radio Direction Finding |
| RDFCF | Radio Direction Finding Calibration Flight |
| RDFMU | Radio Direction Finder Maintenance Units |
| RDFO | Radio Direction Finder Officer (Naval) |
| RDFOU | Radio Direction Finder Operating Unit |
| RDFS | Radio Direction Finding School |
| RDFS | Radio Direction Finder School |
| RDI | Relief driver increment |
| RDIRCASC | Relief Driver Increment, Royal Canadian Army Service Corps |
| RDL | Radio detection and location (by radio pulses) |
| RDLI | The Royal Durban Light Infantry Regiment |
| RDLR | Regiment de la Rey |
| RdM | Radarman Stand radar watch and operate radar equipment. |
| RdM1c | Radarman, First Class |
| RdM2c | Radarman, Second Class |
| RdM3c | Radarman, Third Class |
| RDMHRCAMC | Red Deer Military Hospital, Royal Canadian Army Medical Corps |
| RDOVI | Reinforcing Draft Overseas, 14th Reinforcement Draft Overseas |
| RdrPC(A) | Radar Performance Checker (Air) |
| RdrPC(G) | Radar Performance Checker (Ground) |
| RdrPltr | Radar Plotter (Sea) |
| RdrTec(A) | Radar Technician (Air) |
| RdrTec(G) | Radar Technician (Ground) |
| RdrTech | Radar Technician |
| RDU | Radar Development Unit |
| RDubFus | Royal Dublin Fusiliers |
| RDUK | Repairable at Depot in UK |
| RduSag | R?giment du Saguenay (Disponible en fran?ais seulement) |
| RDW | Regiment De Wet |
| RDX/BX | Research Department X beeswax |
| RE | Corps of Royal Engineers |
| RE | Radio Electrician |
| RE | Research Establishment |
| RE | Royal Engineers |
| RE-HC | Re-Habilitation Course |
| RE(CW) | Research Establishment (Chemical Warfare) |
| REA | Real Estate Advisor |
| REAF | Royal Egyptian Air Force |
| REC | Recover, recovered or recovery |
| Rec | Reovery |
| Rec. | Recovery |
| Recce | Reconnaissance |
| RECCE | Reconnaissance or reconnoitre |
| RECCE | Reconnaissance |
| Recce Corps | Reconnaissance Corps (Recce Corps) |
| Recce Regt. | Reconnaissance Regiment (Recce Regt) |
| Recce Sqn. | Reconnaissance Squadron (Recce Sqn) |
| Recom | Decommissioned |
| RECON | Reconnaissance |
| RECON | Reconnaissance (U.S.) |
| Recruits | Naval Recruiting Office (Permanent Naval Force) |
| RED | Reduced Charge |
| REF | reference |
| REF | Radio Experimental Flight |
| Ref | Reference |
| RefTech | Refinisher Technician |
| REG | Regulate, regulated, regulating or regulation |
| Reg | Regiment / Regimental |
| REGIMENT | Regiment |
| Regina Rif | The Regina Rifle Regiment |
| REGT | Regiment or regimental |
| Regt | Regiment |
| Regt | Regimental |
| REGT | Regiment or Regimental |
| Rehab | Rehabilitation |
| REIN | Reinforced or Reinforcement |
| reinf | Reinforcement(s) |
| REINF | Reinfored or Reinforcement |
| REKentYeo | Royal East Kent Yeomanry |
| REL | Relief |
| rem | Remained - stayed in an area, or stayed on duty |
| REME | Royal Electrical and Mechanical Engineers |
| REME | Royal Electrical and Mechanical Engineers |
| REMS | Reserve Equipment Maintenance Satellites |
| REMU | Reserve Equipment Maintenance Units |
| REN. | Renfrewshire |
| REP | Represent, represented or representative |
| Rep | Repatriated |
| Rep | Representative |
| Rep Bn | Replacement Battalion |
| Rep Bn | Representative |
| rep't | reported |
| RepatDep | Repatriation depot |
| rept | reported |
| REPT | Reserve Entry Training Program |
| Reptd | Reported |
| RERMC | Riding Establishment Royal Military College |
| RES | Reserve(s) |
| Res | Reserve - force of men remaining behind the lines to reinforce the front lines where needed |
| RES | Reserve |
| RESO | Reserve Entry Scheme - Officers |
| RESTD | Restricted |
| Ret | Retired |
| RETP | Reserve Entry Training Program |
| RETP | Reserve Entry Training Plan |
| REU | Radio Engineering Unit |
| Rev | Reverend |
| Rev. | Reverend |
| REVD | Reverend |
| REVD | Reverand or Revised |
| RF | The Royal Fusiliers (City of London Regiment) |
| RF | Reserve Fleet |
| RF | The Royal Fusiliers (City of London Regiment) |
| RFA | Royal Field Artillery |
| RFA | Royal Fleet Auxiliary |
| RFB | Regimental Funds Board |
| RFB | Reported from Base - unit base report about a soldier |
| RFC | Royal Flying Corps |
| RFC | Reserve Force Centre |
| RFC | Royal Field Corps |
| RFC | Royal Flying Corps - see RAF |
| RFC | Royal Flying Corps |
| RFF | Refresher Flying Flight |
| RFID | Radio Frequency Identification |
| Rflm | Rifleman |
| Rfm | Rifleman |
| Rfmn | Rifleman |
| RFN | Rifleman or riflemen |
| Rfn | Rifleman |
| RFN | Riflemen |
| RforCMF | Reinforcements for Central Mediterranean Force |
| RFR | Royal Fleet Reserve |
| RFRA | Royal Artillery Pre-War Reservist |
| RFS | Reserve Flying School |
| RFT | Reinforcement |
| RFT | HU Reinforcement holding unit |
| RFT | SU Reinforcement sub-units |
| rft | Reinforcement |
| RFT | Reinforcement |
| RFTP | Refresher Flying Training Plan |
| RFTS | Refresher Flying Training School |
| Rfts | Reinforcements |
| RFU | Refresher Flying Unit |
| Rfus | Royal Fusiliers |
| RG | Regulating Petty Officer |
| RG | Rear Gunner or Range |
| RGA | Royal Garrison of Artillery |
| RGA | Royal Garrison Artillery |
| RGH | The Royal Gloucestershire Hussars |
| RGH | Royal Gloucestershire Hussars |
| RGPF | Royal Gunpowder Factory |
| RGR | Royal Garrison Regiment |
| RGRif | The Royal Garwal Rifle Regiment |
| RGSS | Registrar General of Shipping and Seamen |
| Rgt | Regiment |
| RGuernseyLI | Royal Guernsey Light Infantry |
| RH | Railhead |
| RH | Railhead or Relative Humidity or Right Hand |
| RHA | Royal Horse Artillery |
| RHA | Royal Horse Artillery |
| RHAF | Royal Hellenic Air Force |
| RHC | The Black Watch Royal Highland Regiment of Canada |
| RHC | Black Watch (Royal Highland Regiment) of Canada |
| RHC | Royal Highlanders of Canada |
| RHE | Return to HOme Establishment |
| RHG | Royal Horse Guards Regiment (The Blues) |
| RHG | Royal Horse Guards |
| RHGDS | Royal Horse Guards |
| RHIGHRS | Royal Highlanders (The Black Watch) |
| RHLI | The Royal Hamilton Light Infantry (Wentworth Regiment) |
| RHLI | Royal Hamilton Light Infantry |
| RHMA | Roadhead or railhead, maintenance area |
| RHMA | Railhead or roadhead, maintenance area |
| RHN | Royal Hellenic Navy |
| RHofCAN | Royal Highlanders of Canada |
| RHQ | Regimental Headquarters |
| RHQ | Regimental Headquarters |
| RHQRCASC | Reconstituted Headquarters, Royal Canadian Army Service Corps |
| RHRofC | Royal Highland Regiment of Canada |
| RHU | Reinforcement Holding Unit |
| RIAF | Royal Indian Air Force |
| RIAF | Royal Indian Air Force |
| RIASC | Royal Indian Army Service Corps |
| RIASC | Royal Indian Army Service Corps |
| RIDG | Royal Inniskilling Dragoon Guards |
| Rif | Rifleman |
| Rif | Rifles |
| RIFBRIG | Rifle Brigade |
| RIIP | Reserve Integrated Information Project |
| RIMU | Radio Installation Maintenance Unit |
| RInnisFus | Royal Inniskilling Fusiliers |
| RIrReg | Royal Irish Regiment |
| RIrRif | Royal Irish Rifles |
| RIsFus | Royal Irish Fusiliers |
| RJDF | Rapid Joint Deployment Force |
| RLancR | Royal Lancaster Regiment |
| RLE | Radio Location Establishment |
| RLF | Rapid Landing Flight |
| RLG | Relief Landing Ground |
| RLHQ | Rear Link Headquarters |
| RLI | The Rand Light Infantry Regiment |
| RLL(UK) | Rotation Leave List (United Kingdom) |
| RLMSRCCS | Railway Line Maintenance Section, Royal Canadian Corps of Signals |
| RLO | Research Liaison Officer (Naval) |
| RLRCAMC | Research Laboratory, Royal Canadian Army Medical Corps |
| RLU | Radio Location Unit |
| RLW | Regiment Louw Wepner |
| rlwy | railway |
| RlwyConst(Op)(Tg)Coy(Gp) | Railway Construction (Operating) (Telegraph) Company (Group) |
| RLY | Railway |
| RLY | Railway |
| Rly. | Railway |
| Rly. Op. Coy. | Railway Operating Company (Rly Op Coy) |
| Rly. Op. Gp. | Railway Operating Group (Rly Op Gp) |
| RM | Royal Marine (UK) |
| RM | Radioman Transmit and receive radio messages. Encipher and decipher messages. |
| RM | Air Radio Mechanic |
| RM | Radioman |
| RM | Royal Marines |
| RM | Royal Marine |
| RM Rang | The Rocky Mountain Rangers Regiment |
| RM1c | Radioman, First Class |
| RM2c | Radioman, Second Class |
| RM3c | Radioman, Third Class |
| RMA | Royal Malta Artillery |
| RMA | Royal Military Academy or Rear Maintenance Area; or Revolution in Military Affairs |
| RMA | Royal Marine Artillery |
| RMA | Rear Maintenance Area |
| RMA | Royal Military Academy or Royal Malta Artillery or Royal Marine Artillery |
| RMAF | Royal Malaysian Air Force |
| RMB | Royal Marine Band |
| RMBPD | Royal Marine Boom Patrol Detachment |
| RMBRIG | Royal Marine Brigade |
| RMC | Royal Military College (Sandhurst) |
| RMC | Royal Military College of Canada |
| RMC | Royal Military College |
| RME | Royal Marine Engineers |
| RMF | Radar (Radio) Meteorological Flight |
| RMF | Royal Munster Fusiliers |
| RMFA | Royal Malta Fencible Artillery |
| RMHRCAMC | Rideau Military Hospital, Royal Canadian Army Medical Corps |
| RMHRCAMC | Rimouski Military Hospital, Royal Canadian Army Medical Corps |
| RMi | Riegelmine |
| RMLI | Royal Marines Light Infantry |
| RMO | Regimental Medical Officer |
| RMO | Royal Marine Office |
| RMP | Royal Military Police ; or Recognized Maritime Picture |
| RMR | The Royal Montreal Regiment |
| RMR | Rocky Mountain Rangers |
| RMR | Royal Montreal Regiment |
| RMS | Royal Mail Ship |
| RMSCR | Royal Marine Support Craft Regiment |
| RMSF | Royal Marine Striking Force |
| RMSO | Royal Marine Signal Office |
| RMTC | Radio Mechanic's Training Centre |
| RMTCRCASC | Reserve Mechanical Transport Company, Royal Canadian Army Service Corps |
| RMTech | Refrigeration and Mechanical Technician |
| RMTG | Royal Marine Training Group |
| RMU | Radio Maintenance Unit |
| RMW | Railway Mobile Workshop |
| RN | Royal Navy |
| RN | Royal Navy (UK); or Radiation and Nuclear |
| RN | Royal Navy |
| RN | Royal Navy |
| RNAD | Royal Navy Armament Depot |
| RNAF | Royal Norwegian Air Force |
| RNARY | Royal Naval Aircraft Repair Yard |
| RNAS | Royal Naval Air Station/Service; or Royal Norwegian Air Service |
| RNAS | Royal Naval Air Service |
| RNAS | Royal Naval Air Station |
| RNASAAC | Royal Naval Air Service Anti-Aircraft Corps |
| RNAW | Radar Navigation Aids Wing |
| RNB | Royal Naval Barracks |
| RNBR | The Royal New Brunswick Regiment |
| RNBTR | Royal Naval Benevolent Trust Representative |
| RNC | The Royal Natal Carabineer Regiment |
| RNC | Royal Naval College |
| RNCU | Radar Navigation Conversion Unit |
| RNCVR | Royal Naval Canadian Volunteer Reserve |
| RND | Royal Naval Division |
| RNDevonYeo | Royal North Devon Yeomanry |
| RNEFTS | Royal Navy Elementary Flying Training School |
| RNETHAF | Royal Netherlands Air Force |
| RNFS | (Royal Naval Fighter Squadron |
| RNLO | Royal Naval Liaison Officer |
| RNN | Royal Netherlands Navy |
| RNO | Resident Naval Officer |
| RNO | Resident Naval Overseer |
| RNorN | Royal Norwegian Navy |
| RNPS | Royal Naval Patrol Service |
| RNR | Royal Naval Reserve |
| RNR | Royal Naval Reserve |
| RNS | Radio and Navigation School |
| RNSC | Royal Navy Staff College |
| RNSR | Royal Naval Special Reserve |
| RNTE | Royal Naval Training Establishment |
| RNTF | Royal Naval Torpedo Factory |
| RNVR | Royal Naval Volunteer Reserve |
| RNVR | Royal Naval Volunteer Reserve |
| RNWCC | Royal Naval War Comforts Committee |
| RNWL | Royal Naval War Libraries |
| RNWMP | Royal North-West Mounted Police |
| RNZA | Royal New Zealand Artillery |
| RNZAF | Royal New Zealand Air Force |
| RNZAF | Royal New Zealand Air Force |
| RNZE | Royal New Zealand Engineers |
| RNZN | Royal New Zealand Navy |
| RO | Routine order |
| RO | Records Only |
| RO | Recruiting Office |
| RO | Reinforcement Officer |
| RO | Report Officer |
| RO | Reporting Officer |
| RO | Routine Order |
| RO | Recruiting Officer or Retired Officer or Routine Order |
| RO''W''F | Routine Orders ''W'' Force |
| RO''Z''F | Routine Orders ''Z'' Force |
| ROC | Royal Observer Corps |
| ROC | Railway Operating Company or Royal Observor Corps |
| ROCA | Resident Officer Canal Area |
| ROCK GRN | Rockets (signal) Green |
| ROCMHQ | Records Office, Canadian Military Headquarters |
| ROE | Rules of Engagement |
| ROF | Royal Ordnance Factory |
| RofP | Report of Proceedings |
| ROGRCE | Railway Operating Group, Royal Canadian Engineers |
| ROLSH(RC)CA(AF) | Regimental Orders Lord Stratchcona Horse (Royal Canadians) Canadian Army Active Force |
| RomRsch | Communicator Research |
| ROO | Railhead or roadhead, ordnance officer |
| ROO | Railhead Ordnance Officer |
| ROp | Radio Operator |
| ROS | Repairable on Site |
| ROSJD | Routine Orders St. John's Defences |
| ROTA | Release Other Than Attack |
| ROTC | Reserve Officer Training Corps |
| ROTC | Reserve Officer Training Corps |
| ROTP | Regular Officer Training Plan; or Reserve Officer Training Program |
| ROTP | Regular Officer Training Plan |
| ROTP(CMC) | Regular Officer Training Plan (at Canadian Military Colleges) |
| ROTP(U) | Regular Officer Training Plan (at Civilian Universities) |
| ROWPU | Reverse-Osmosis Water Purification Unit |
| ROXB. | Roxburghshire |
| Royals | 1st The Royal Dragoon Regiment |
| ROYALS | 1st Royal Dragoons |
| ROYALS | 1st The Royal Dragoons |
| RP | Regimental Police |
| RP | Regimental police, refilling point or Rules of Procedure |
| RP | Radar Plot Rate |
| RP | Radar Plotter |
| RP | Reserve Posting |
| RP | Regimental Police or Refilling Point or Rules of Procedure |
| RP (Records) | Reserve Posting (Records) |
| RPAF | Royal Pakistan Air Force |
| RPDS | Radar Photographic Display System |
| RPG | Rocket Propelled Grenade; or Rounds per gun |
| rpg | Rounds per Gun |
| RPG(PM) | Rounds per gun (per minute) |
| rpgpm | Rounds per gun per minute |
| RPIGHQ&LofCT | Rear Party Increment General Headquarters & Line of Communication Troops |
| rpm | Rounds per minute or revolutions per minute |
| RPO | Regulating Petty Officer |
| RPS | Regiment President Steyn |
| RPs | Refilling Points |
| RPSD | Reserve Pacific Support Depot |
| RPTD | Repeated |
| Rptd | Repeated |
| RQ&A | Rations, Quarters and Allowance |
| RQM | Regimental Quartermaster |
| RQMS | Regimental Quartermaster Sergeant |
| RQMS | Regimental Quartermaster Sergeant |
| RR | The Rhodesia Regiment |
| RR | Radiographer |
| RR | Railroad |
| RR | Rifle Range |
| RRC | Royal Red Cross |
| RRC | Royal Regiment of Canada |
| RRC | Royal Rifles of Canada |
| RRC | Royal Red Cross |
| RRE | Radar Research Establishment |
| RRE | District Recruiting Establishment |
| RReg (Raj Reg) | The Rajput Regiment |
| RRegC | Royal Regiment of Canada |
| RRF | Royal Regiment of Fusiliers |
| RRF(U) | Radio Reconnaissance Flight (Unit) |
| RRFU | Radar Research Flight |
| RRH | Remote Radar Head |
| RRif (Raj Rif) | The Rajput Rifle Regiment |
| RRMC | Royal Roads Military College |
| RRR | The Royal Regina Rifle Regiment |
| RRR | Royal Regina Rifles |
| RRR | Regina Rifle Regiment |
| RRU | Raid Reporting Unit |
| RS | Radio School; or Reserve School; or Reserve Squadron |
| RS | The Royal Scots (The Royal Regiment) |
| RS | Recruiting Station |
| RS | Reinforcement Section |
| RS | Reserve Status |
| RS | The Royal Scots (The Royal Regiment) |
| RS&RE | Royal Signals & Radar Establishment |
| RSAF | Royal Small Arms Factory |
| RSCFC | Reinforcement Section Canadian Forestry Corps |
| RScFus | Royal Scots Fusiliers |
| RSCOTS | Royal Scots (Lothiam Regiment) |
| RSD | Returned stores depot |
| RSF | The Royal Scots Fusilier Regiment |
| RSF | The Royal Scots Fusiliers |
| RSHQCFC | Reinforcement Section Headquarters Canadian Forestry Corps |
| RSM | Regimental Sergeant Major |
| RSM | Regimental Sergeant-Major - senior non-commissioned officer in a regiment |
| RSM | Regimental Sergeant Major |
| RSM | Regimental Sergeant-Major |
| RSMHRCAMC | Rectory Street Military Hospital, Royal Canadian Army Medical Corps |
| RSO | Range Safety Officer; or Range Standing Orders |
| RSO | Range Safety Officer |
| RSO | Regimental Survey Officer |
| RSP | Red Spot Flares/Fires (?) |
| RSP | Regimental Starting Point |
| RSS | Radio Servicing Section |
| RSS | Reg F Support Staff |
| RSS | Regimental Support Staff |
| RSS | Regular Support Staff |
| RSTech | Radar Systems Technician |
| RSTech | Radioman Special |
| RSU | Repair & Servicing Unit; or Repair & Salvage Unit |
| Rsu | Repair & Salvage Unit |
| RSussR | Royal Sussex Regiment |
| RSWD | Regiment Suid Westelike Distrikte |
| RT | Radio telephony |
| RT | Radio Technician Maintain radio equipment. |
| RT | Radio Technician |
| RT | Radio Telephony |
| RT | Range Table |
| RT Hon | Right Honourable |
| RT1c | Radio Technician, First Class |
| RT2c | Radio Technician, 2d Cl. |
| RT3c | Radio Technician, 3d Cl. |
| RTB | Return To Base |
| RTB | Returned to Base |
| RTC | Returned To Corps |
| RTC | Returned to Corps - a soldier returning to duty |
| RTC | Returned to Corps or Railway Training Centre |
| RTCRCAR | Reserve Training Centre, Royal Canadian Artillery Reinforcements |
| RTD | Return To Depot |
| RTD | Returned to Depot |
| RTM | Ready To Move |
| Rtn | Return |
| Rtns | Rations |
| RTO | Railway traffic order |
| RTO | Rail Transport Officer |
| RTO | Railway Tranport Officer |
| RTO | Regimental Transport Officer |
| RTO | Research Technical Officer |
| RTO | Return to Owners |
| RTO | Railway Transport Officer or Railway Traffic Offier |
| RTOSRCCS | Railway Telegraph Operating Section, Royal Canadian Corps of Signals |
| RTP | Recruit Training Pool |
| RTR | Royal Tank Regiment, RAC |
| RTR | Royal Tank Regiment |
| RTTP | Reserve Tradesmen Training Plan |
| RTU | Return To Unit |
| RTU | Returned to Unit - a soldier returning to a unit following illness, wounds, leave or training |
| RTU | Returned to Unit |
| RU | Reception Unit; or Repair Unit |
| RU | Radio Unit |
| RU | Reinforcement Unit |
| RU | Radar Unit or Repair Unit |
| RUR | The Royal Ulster Rifle Regiment |
| RUR | The Royal Ulster Rifles |
| RUSNO | Resident U.S. Naval Officer (U.S.) |
| RUTLAND | Rutland |
| RV | Rendezvous, point on patrol |
| RV | Rendez-vous point on Patrol |
| RV | Rendezvous |
| RVHM | Royal Victoria Hospital Montreal |
| RVM | Royal Victorian Medal |
| RW | Receiving Wing; or Recorded Warning |
| RW | Recorded Warning |
| RW | Royal Warrant |
| RWAFF | Royal West African Frontier Force |
| RWCHRCAMC | Roman Way Convalescent Hospital, Royal Canadian Army Medical Corps |
| RWCRCE | Railway Workshop Company, Royal Canadian Engineers |
| RWE | Radio Warfare Establishment |
| RWF | The Royal Welch Fusilier Regiment |
| RWF | The Royal Welch Fusiliers |
| RWFus | Royal Welsh Fusiliers |
| RWING | Reinforcement Wing |
| RWK | The Queen's Own Royal West Kent Regiment |
| RWK | The Queen's Own Royal West Kent Regiment |
| RWKentR | Royal West Kent Regiment |
| RWP | Regiment Westelike Provincie |
| RWpgR | Royal Winnipeg Rifles |
| RWPU | Radio Wave Propagation Unit |
| RWR | The Royal Winnipeg Rifles |
| RWR | Royal Winnipeg Rifles |
| RWS | Remote Weapons Station (in Australia's army) |
| RWY | The Royal Wiltshire Yeomanry Regiment (Prince of Wales's Own) |
| RWY | Royal Wiltshire Yeomanry |
| RX | Army Remount Section, Army Service Corps Number Prefix |
| RX | Right Section |
| Ry | Railway |
| Ry Tel | Railway Telegraph |
| Ry(s) | Railway(s) |
| RYAFTU | Royal Yugoslav Air Force Technical Unit |
| RYM | Royal Yugoslav |
| RYPA | Roll, Yaw, Pitch and Alter Course |
| S | Seaman Know naval drill duties, knots, steering and signaling. Stand watch and gunnery duties. |
| S | Supply |
| S | Supply (RASC prefix) or South or Shilling |
| S & M | Sappers and Miners |
| S & M | Sappers and Minersd |
| S Alta R | The South Alberta Regiment |
| S COMD | Senior Commander or Southern Command (more usually SComd) |
| S CONTR | Senior Controller |
| S Div | Supply, disbursing, commissary |
| S Dpo | Stores Depot |
| S LAN R | South Lancs Regiment (The Prince of Wales's Volunteers) |
| S LAN R | South Lancashire Regiment |
| S of A | School of Artillery |
| S OF AN | of AN School of Air Navigation |
| S of S | Secretary of State |
| S of SHRA | School of Super-Heavy Railway Artillery |
| S OF TT | of TT or STT -School of Technical Training |
| S RG | Sound ranging |
| S RG | Sound Ranging |
| S Sask R | The South Saskatchewan Regiment |
| S SJT | Staff serjeant |
| S STAFFORDS | South Staffordshire Regiment |
| S STAFFORDSHIRE | The South Staffordshire Regiment |
| S Staffs (SStfs) | The South Staffordshire Regiment |
| S SUP O | Senior supply officer |
| S SUP O | Senior Supply Officer |
| S-DPCRCASC | Sub-Depot Pacific Command, Royal Canadian Army Service Corps |
| S-DRCASC | Sub-Depot, Royal Canadian Army Service Corps |
| S-LT | Sub-Lieutenant |
| S-MC | Sergent-Major De Compagnie (French only) |
| S-MR | Sergent-Major Regimentaire (French only) |
| S-OBREV1 | Sous-Officier Brevet? de 1re Classe |
| S-OBREV2 | Sous-Officier Brevet? de 2eme Classe |
| S.L. | Search Light (SL) |
| S(O & M) Secretary | Organisation and Methods Division |
| S(Prob) | Signalman (Probationer) |
| S/ | Staff |
| S/C | Sergeant Chef |
| S/D | Submarine Detector |
| S/L | Search Light (S/L) |
| S/L | Searchlight |
| S/L | Sailing List |
| S/L | Squadron Leader |
| S/L OR S/LDR | or S/Ldr Squadron Leader |
| S/Lieut | Second Lieutenant |
| S/M | Sergeant Major |
| S/M | Submarine |
| S/P | Signalling Projector |
| S/P | Signalling Projector |
| S/QMS | Staff Quartermaster-Sergeant |
| S/S | Staff Sergeant |
| S/S | Sound Signalling |
| S/Sgt | Staff Sergeant |
| S/Sjt | Staff Sergeant |
| S/T | Sonic Telegraphy |
| S/T | Sonic Telegraphy |
| S&AH | Southerland & Argyll Highlanders |
| S&CD | Sydney & Canso Defences |
| S&E | Supply and Evacuation |
| S&LP | Syrian & Lebanese Ports |
| S&PRCASC | Stationary & Printing, Royal Canadian Army Service Corps |
| S&TC | Supply and Transport Corps |
| S&TDRCASC | Supply & Transport Details, Royal Canadian Army Service Corps |
| S&TT | Station & Target Towing |
| S1c | Seaman, First Class |
| S2c | Seaman, Second Class |
| SA | South Australia (Australian state) |
| SA | Small arms, South Africa or South African |
| SA | Supplementary Reserve (former Militia) |
| SA | Salvation Army |
| SA | South Atlantic |
| SA | Staff Adjutant |
| SA | Supply Assistant |
| SA | Stores Assistant |
| SA | South Africa |
| SA | Subsistence Allowance |
| SA | Small Arms |
| SA | Small Arms or South Africa or African or Semi-automatic |
| SA/S | Superintendent, Anti-submarine |
| SAA | Small arms ammunition |
| SAA | Small Arms Assn.; or Small Arms Ammunition |
| SAA | Small Arms Ammunition |
| SAA | Small Arms Ammunition |
| SAAA | School of Anti-Aircraft Artillery |
| SAABRCA | Section Anti-Aircraft Battery, Royal Canadian Artillery |
| SAAD | School for Anti-Aircraft Defence |
| SAAF | South Arican Air Force |
| SAAF | South African Air Force |
| SAALO | Senior Anti-Aircraft Ack Liaison Officer |
| SAAMS/LTRCA | Special Anti-Aircraft Mobile Search Light Troop, Royal Canadian Artillery |
| SAB | Saboteur |
| SAB | Stores Audit Branch |
| SAB | Saboteur |
| SAC | Senior Aircraftman |
| SAC | Soldier Aid Commission (Department of Veterans Affairs) |
| SAC | South African Constabulary |
| SAC | Senior Aircraftman |
| SACEUR | Supreme Allied Commander Europe |
| SACOW/SRCOC | Section Armoured Corps Ordnance Workshop, Royal Canadian Ordnance Corps |
| SACSEA | Supreme Allied Commander, South-East Asia |
| SACUER | Supreme Allied Commander Europe |
| SAD | Special Artificer D Knowledge and repair of special training devices. |
| SAD | Single-axe drive |
| SADO | Senior Administrative Officer |
| SADS | Squadron Armoured Division Signals |
| SAE | School of Aeronautical Engineering |
| SAE | Senior Assistant Engineer |
| SAE | Society of Automotive Engineers |
| SAEC | South African Engineer Corps |
| SAEC | South African Engineer Corps |
| SAFU | South Atlantic Ferry Unit |
| SAGM | Surface to Air Guided Missile |
| SAGW | Surface to Air Guided Weapon |
| SAI | Special Artificer I Repair typewriters and watches. Coat lenses of optical instruments. |
| SAIR | South African Irish Rifles |
| SAIRCEME | Small Arms Inspectorate, Royal Canadian Electrical and Mechanical Engineers |
| SAIRgt | South African Irish Regiment |
| SAirSO | Station Air Services Officer |
| SAL | Salvage or salvaged |
| SAL | Salvage or Salvaged |
| SAM | Surface to Air Missile |
| SAM | School of Aircraft Maintenance |
| SAM | School of Aviation Medicine |
| SAMH | Ste. Anne's Military Hospital |
| SAN | School of Air? Navigation |
| San | Sanitary |
| San | Sanitation |
| SANLC | South African Native Labour Corps |
| SanSec | Sanitary Section |
| SAO | Special Artificer O Repair all optical instruments, such as telescopes, periscopes, compasses, range finders. |
| SAO | Senior Accountant Officer |
| SAO | Squadron Accountant Officer |
| SAO | Staff Accountant |
| SAO | Squadron Artillery Officer |
| SAOEU | Strike Aircraft Operational Evaluation Unit |
| SAOI | Semi-Annual Ordnance Inspection |
| SAP | School of Air Pilotage |
| SAP | Soldier Apprentice Plan |
| SAP | Semi-armour-piercing (projectile) |
| SAPGA | South African Permanent Garrison Artillery |
| SAPI | Semi Armour Piercing Incendiary |
| SAQ | Sub-Area Quartering Commandant |
| SAR | Search & Rescue |
| SAR | School of Aircraft Recognition |
| SAR | South Albert Regiment |
| SAR | Search and Rescue |
| SAR TECH | tech Search And Rescue Technician |
| SARD | Southern Aircraft Repair Depot |
| SARG | Small arms rifle grenade |
| SARTU/S | Search and Rescue Training Unit/Squadron |
| SAS | South African Artillery |
| SAS | Servicing Aircraft Section; or Situational Awareness System |
| SAS | Superintendent Anti-Submarine (Naval) |
| SAS | Special Air Service or Small Arms School |
| SAS REGT | Special Air Service Regiment |
| SASC | Small Arms School Corps |
| SASC | Small Arms School Corps |
| Sask | Saskatchewan |
| Sask LI | The Saskatoon Light Infantry regiment |
| SASO | Senior Air Staff Officer; or Stability & Support Ops |
| SASO | Superintendent Armament Supply Officer |
| SASO | Senior Air Staff Officer or Senior Administrative Staff Officer |
| SASS | Special Air Service Regiment |
| SAT | Superintendent of British Air Training |
| SAT | Small Arms Training or Scientific Adviser for Telecommunication |
| SATCO | Senior Air Traffic Controller |
| SATCOM | Satellite Communications |
| SATT | Satellite |
| SAV | Staff Assistance Visit |
| SAW | Senior Aircraftwoman |
| SB | Stretcher bearer |
| SB | Signal Boatswain |
| SB | Special Branch |
| SB | Stockbrokers' Battalion (10th Battalion Royal Fusiliers) |
| SB | Stretcher Bearer |
| SB | Stretcher Bearer |
| SBA | Standard Beam Approach |
| SBA | Sick Berth Attendant |
| SBA(Prob) | Sick Berth Attendant (Probationer) |
| SBCPO | Sick Berth Chief Petty Officer |
| SBD | Superintendent Boom Defence |
| SBD | Superintendent of Boom Defence |
| SBG | Small box girder |
| SBG | Small Box Girder (bridge) |
| SBG | Small Box Girder |
| SBG | Small box-girder |
| SBL | Static Base Laundry |
| SBLRCOC | Static Base Laundry, Royal Canadian Ordnance Corps |
| SBNO | Senior British Naval Officer |
| SBPC | Senior British Naval Officer |
| SBPO | Sick Berth Petty Officer |
| SBRCA | Searchlight Battery, Royal Canadian Artillery |
| SBS | Special Boat Section Special Boat Service Special Boat Service |
| SBS | Sick Berth Steward |
| SC | Salvage Centre; or Strike Command |
| SC | Ship's Cook Supervise and prepare cooking. |
| SC | Seaforth Camp |
| SC | Service Chevrons |
| SC | Ship's Circulation or Senior Constructor |
| SC | New York (Halifax, Sydney) to United Kingdom Convoy |
| SC | Scout |
| SC | Star of Courage |
| SC | Salvage Centre or Strike Command or Staff Captain or Sub-calibre sector control |
| SC-M | Officers of the Merchant Marine Reserve, who hold certificates in one of the purser classifications of the Merchant Marine, appointed for general service in the Supply Corps. |
| SC-V (G) | Officers of the Volunteer Reserve appointed for general service in the Supply Corps. |
| SC-V (P) | Probationary officers of the Volunteer Reserve appointed for duty in the Supply Corps. |
| SC-V (S) | Officers of the Volunteer Reserve appointed for special service in the Supply Corps. |
| SC1c | Ship's Cook, First Class |
| SC2c | Ship's Cook, Second Class |
| SC3c | Ship's Cook, Third Class |
| SCAEF | Supreme Commander Allied Expeditionary Force |
| SCAN | Second Career Assistance Network Program |
| SCAP | Supreme Commander for the Allied Powers |
| SCB | Ship's Cook B Butcher. |
| SCBS | Strike Command Bombing School |
| SCC | Surrey County Council |
| SCCRCOC | Salvage Collecting Centre, Royal Canadian Ordnance Corps |
| SCCS | Strike Command Communication Squadron |
| SCD | Stores and Clothing Department |
| SCDU | Strike Command Development Unit |
| SCES | Special Construction Equipment Section |
| SCF | Squadron Conversion Flight |
| SCF | Senior Chaplin to the Forces |
| SCFO(O) | Senior Canadian Flag Officer (Overseas) |
| Schnr | Schooner |
| SCHRCAMC | Sarcee Camp Hospital, Royal Canadian Army Medical Corps |
| SchuMi | Schutzenmine |
| SCI | Staff Corps Indian |
| SCL | Superintendent of Construction Liaison |
| SCMA | Signals Corps Medium Artillery |
| SCNO | Senior Canadian Naval Officer |
| SCNO(L) | Senior Canadian Naval Officer (London) |
| SCO | Sector Control Officer (RAF) |
| SCONDVA | Standing Committee on National Defence and Veterans Affairs |
| SCORif | Scottish Rifles (Cameronians) |
| Scottish | The Scottish Horse Regiment |
| SCPO | Stoker Chief Petty Officer |
| SCR | School of Control & Reporting; or Signal Corps Radio |
| SCRA | Staff Captain Royal Artillery |
| SCRR | Special Commission on the Restructuring of the Reserves |
| SCS | Southern Communication Squadron/Special Communication Squadron |
| SCS | Ship's Conducting Staff |
| SCTW | Special Concession Transport Warrant |
| SCU | SPecial Communications Unit |
| SCWO | School Chief Warrant Officer |
| SD | Special Duty/Special Duties; or Stores Depot |
| SD | Strength Decrease |
| SD | Special Duties or short delay (detonator) |
| SD & T | Staff Duties and Training Section |
| SD(R)DU | Special Duties (Radio) Development Unit |
| SD(Schedules) | Supplementary Demand / Distribution (Schedules) |
| SD(W) | Staff Duties (Weapons) |
| SD&G | The Stormont, Dundas and Glengarry Highlander Regiment |
| SD&GH | Stormont, Dundas & Glengarry Highlanders |
| SD&T | Staff Duties and Training |
| SD155. | Operational Memorandum |
| SDandT | Staff Duties and Training |
| SDC | Secretary of Defence Council |
| SDC | Shipyard Development Committee |
| SDCCS | Special Detachment Canadian Corps Signals |
| SDCPC | Special Detachment Canadian Provost Corps |
| SDCWAC | Special Detachment, Canadian Women's Army Corps |
| SDDDToronto | Special District Distributing Depot |
| SDDS(ET) | Senior Deputy Director of Stores (Eastern Theatre) |
| SDDSRCCS | Sussex Detachment Division Signals, Royal Canadian Corps of Signals |
| SDDT | Special Distributing Depot, Toronto |
| SDF | Special Duties Flight |
| SDF | Sudan Defense Force |
| SDF | Sudan Defence Force |
| SDI | Submarine Detector Instructor |
| Sdn | Squadron |
| SDO | Signal Distributing Office |
| SDO | Signal District Office (Naval) |
| SDP | Supply dropping point |
| SDR | Strategic Defence Review |
| SDR | Special Despatch Rider |
| SDRCE | Stores Depot, Royal Canadian Engineers |
| SDS | Signals Desptach Service |
| SDSRCCS | Section Division Signals, Royal Canadian Corps of Signals |
| SDU | Signals Development Unit |
| SE | Servicing Echelon |
| SE | Safety Equipment Mechanic |
| SE | Sergeant |
| SEA | Senior Executive-Assistant to the Minister |
| SEA | South East Atlantic Area |
| SEAAC | South East Asia Air Command |
| SEAAC | South East Asia Air Command |
| SEAACHQ | South East Asia Air Command Headquarters |
| SEAC | South East Asia Command |
| SEACF | South Eastern Area Communication Flight |
| SEAFIS | South Eastern Area Flying Instructors School |
| SEAFOG | South East Asia Fighter Operations Graticule System |
| SEAFORTH | Seaforth Highlanders (Ross-shire Buffs The Duke of Albany's) |
| Seaforth | Seaforth Highlanders |
| SEAFORTH | The Seaforth Highlanders (Ross-shire Buffs the Duke of Albany's) |
| Seaforth of C | The Seaforth Highlanders of Canada Regiment |
| SeaforthofCanada | Seaforth Highlanders of Canada |
| Seaforths (Sea) | The Seaforth Highlander Regiment (Ross-shire Buffs, the Duke of Albany's) |
| SeaHighrs | Seaforth Highlanders |
| SEALF | South East Asia Land Forces |
| SEASI | South Eastern Area School of Instruction |
| SEC | Second or section |
| Sec | Secretary to a Flag Officer |
| Sec | Second |
| Sec | Secretary |
| Sec | Section |
| SEC | Security |
| SEC | Special Employment Company |
| SEC | Section or Second |
| Secd | Seconded |
| SECNAV | Secretary of the Navy (U.S.) |
| SecNB | Secretary, Naval Board |
| SecNB | Secretary, Naval Officer |
| SecNP | Secretary, Naval Personnel |
| SECO | Synthetic Environment Coordination Office |
| SECO | South Eastern Command (United Kingdom) |
| SecOB | Secretary Ordnance Board |
| SECPC | Special Employment Company Pacific Command |
| SECT | Section |
| Secy | Secretary, National Defence |
| SED | Superintendent Equipment Division |
| SEE | Superintendent Electrical Engineer |
| SEE | Signals Experimental Establishment |
| SEF | Special Experimental Flight; or Siberian Expeditionary Force |
| SEF | Salary Equalization Factor |
| SEF | Siberian Expeditionary Force - small international force sent to Russia in 1918 to help anti-communist forces |
| SEHU | Surplus Equipment Holding Units |
| SEIN | Sergeant Instructor |
| SELT | Sergeant Lieutenant |
| SEMO | Self Evident Military Objective |
| SEng | Stationary Engineer |
| SENGO | Senior Engineering Officer; or Station Engineering Officer |
| SEO | Squadron Engineer Officer |
| SEO | Senior Engineer Officer |
| SEO(CO) | Senior Engineer Officer (Combined Operations) |
| SEP | Special Erection Party (Gibraltar) |
| SEP | Special Employment Platoon |
| SEPA | South East Pacific Area |
| SEPI | Sergeant Pioneer |
| Sergt | Sergeant |
| Serial5000 | Miscellaneous Personnel Overseas - No.1 General Reinforcement Unit |
| Serjt | Sergeant |
| SERSupt | Safety Equipment and Aircraft Refinishing Superintendent |
| SES | Synthetic Environments |
| SESO | Senior Equipment Staff Officer |
| SETech | Safety Equipment Technician |
| SETRU | Sergeant Trumpeter |
| SF | Station Flight; or Special Forces |
| SF | Shipfitter Use hand and machine tools for steel metal work. Bend, repair and fit pipes. Operate fire extinguishers and rescue breathing apparatus. |
| SF1c | Shipfitter, First Class |
| SF2c | Shipfitter, Second Classd |
| SF3c | Shipfitter, Third Class |
| SFC | School of Flying Control |
| SFC | The Scots Fusilier Regiment of Canada Regiment |
| SFC | School of Fighter Control |
| SFCS | Squadron & Flight Commanders School |
| SFF | Service Ferry Flight; or Special Forces Flight |
| SFFS | Ships Fire Fighting School |
| SFofC | Scots Fusiliers of Canada |
| SFOR | Stabilization Force |
| SFPP | (Service) Ferry Pilots Pool |
| SFR | Sherbrook Fusiliers Regiment |
| SFSCFC | Special Forestry Section Canadian Forestry Corps |
| SFT | School of Flying Training |
| SFTS | Service Flying Training School |
| SFTS | Service Flying Training Schools |
| SFU | Signal Flying Unit |
| SG | Scots Guards (The Scots Regiment of Foot Guards) |
| SG | Scots Guards |
| SG | Smoke Generation |
| SG | Sydney-Greenland Convoy |
| SG | Signalman |
| SG | Scots Guards |
| SGB | Steam Gun Boat |
| SGds | Scots Guards |
| SGHQCRCASC | Section General Headquarters Company, Royal Canadian Army Service Corps |
| SgL | Surgeon Lieutenant |
| SgLCd | Surgeon Lieutenant Commander |
| Sgmn | Signalman |
| SGO | Squadron Gunnery Officer |
| SGOCRCOC(AD) | Support Group Ordnance Company, Royal Canadian Ordnance Corps |
| SGR | School of General Reconnaissance |
| Sgr | Signaler |
| SGR&AN | School of General Reconnaissance & Air Navigation (India) |
| SGT | Sergeant |
| SGT | Sergeant |
| SgtP | Sergeant Pilot |
| SgtPlt | Sergeant Pilot |
| SGW/SRCOC | Support Group Workshop, Royal Canadian Ordnance Corps |
| SH | Shipwright |
| SHA | Shore Authority Number |
| SHAEF | Supreme Headquarters - Allied Expeditionary Force |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SHAPE | Supreme Headquarters - Allied Powers Europe |
| SHAPE | Supreme Headquarters Allied Powers Europe |
| SHARP | Standard for Harassment and Racism Prevention |
| SHARPSHOOTERS | County of London Yeomanry (Sharpshooters) (TA) |
| SHBRCA | Super Heavy Battery, Royal Canadian Artillery |
| ShCk | Ship's Cook |
| ShCpl | Ship's Corporal |
| SHEAF | Supreme Headquarters, Allied Expeditionary Force |
| SHELREP | Shelling report |
| SherFor | Sherwood Foresters |
| SherFusR | Sherbrooke Fusiliers Regiment |
| SherR | The Sherbrooke Regiment |
| SherRang | Sherwood Rangers Yeomanry |
| SHINCOM | Shipboard Integrated Communications |
| SHLVW | Super Heavy Logistic Vehicle Wheeled |
| SHOFC | Seaforth Highlanders of Canada |
| Shpt | Shipwright |
| Shpt,1c(or2c,3c,4c,5c) | Shipwright, 1st Class (or 2nd,3rd,4th or 5th Class) |
| SHQ | Station Head Quarters |
| SHQ | Station Headquarters |
| SHR | St. Hyacinthe Regiment |
| Shrapl | Shrapnel |
| SHRMC | Strategic Human Resource Management Council |
| Shrop Yeo | The Shropshire Yeomanry Regiment |
| ShropsLI | Shropshire Light Infantry |
| ShropsYeo | Shropshire Yeomanry |
| ShrW | Shrapnel Wound |
| SHURCCS | Signals Holding Unit, Royal Canadian Corps of Signals |
| SI | Strength Increase |
| SI | Special Instruction |
| SIB | Special Investigation Branch |
| SIB | Special Investigations Branch |
| SIC | Special Infantry Company |
| SIDG | Superintending Inspector of Degaussing |
| SIDPHQCRU | Section "I" Defence Platoon Headquarters Canadian Reinforcement Unit |
| SIF | Special Instruction Flight |
| SIF/U | Special Installation Flight/Unit |
| SIG | Signalman |
| Sig | Signaler |
| Sig | Signalman |
| Sig | Signaling |
| SIG | Signals or Signalman |
| SIG CEN | Signal Centre |
| Sig(s) | Signal(s) |
| SIGINT | Signals Intelligence |
| SIGINT | Signals Intelligence |
| SIGMN | Signalman or signalmen |
| SIGMN | Signalman |
| SIGS | Signals |
| SIGS | Signals |
| Sigs. | Signals |
| SigSea | Signalman (Sea) |
| Sikh | The Sikh Regiment |
| SInv | Security Investigator |
| SIOCO | Senior Intelligence Officer, Combined Operations |
| SIP | Self-igniting Phosphorus (grenade) |
| SIR | Significant Incident Report |
| SIR | Seniority in Rank |
| SIrH | South Irish Horse |
| SIS | Secret Intelligence Service |
| SISCPC | Special Investigation Section Canadian Provost Corps |
| SISIP | Service Income Security Insurance Plan |
| SIT | Situation |
| SITC | Special Infantry Training Centre |
| SITF | Station Instrument Training Flight |
| SITREP | Situation Report |
| SITREPS | Situation Reports |
| SIU | Signals Intelligence Unit ; or Special Investigation Unit |
| SIU | Special Investigation Unit |
| SIU | Signals Intelligence Unit |
| SIV | Staff Inspection Visits |
| SIW | Self-Inflicted Wound |
| SJF(MG) | St. John Fusiliers (Machine Gun) |
| SJMH | St. Jerome Military Hospital |
| SJMHRCAMC | St. John's Military Hospital, Royal Canadian Army Medical Corps |
| SJSMHRCAMC | Saint James Street Military Hospital, Royal Canadian Army Medical Corps |
| SJT | Serjeant |
| Sjt | Sergeant |
| SJT | Serjeant |
| SK | Storekeeper Take charge of ship's storeroom. Issue and account for stock and clothing. |
| SK1c | Storekeeper, First Class |
| SK2c | Storekeeper, Second Class |
| SK3c | Storekeeper, Third Class |
| SKD | Storekeeper D Disbursing storekeeper. |
| Skr | Skipper |
| SKT | Storekeeper T Handle technical stock material. |
| SKV | Storekeeper V Aviation storekeeper. |
| SL | Start line or searchlight |
| SL | Sick leave |
| SL | Sailing List |
| SL | Sailmaker |
| SL | Sick Leave or Squadron Leader or Searchlight or Start Line |
| SL BTY | Searchlight Battery |
| SL Comdr | Searchlight Commander |
| SLA | Supply loading airfield |
| SLA | Service Level Agreement |
| SLAIS | Specialized Low Attack Instructors School |
| SLancs (PWV) | The South Lancashire Regiment (The Prince of Wales's Volunteers) |
| SLanR | South Lancashire Regiment |
| SLAW | School of Land/Air Warfare |
| SLC | Search-Light Control |
| SLC | Support Landing Craft |
| SLC | Searchlight Control or Support Landing Craft |
| SLDS | Searchlight Directing Station |
| SLE | Searchlight Emplacement |
| SLER | Searchlight Engine Room |
| SLG | Satellite Landing Ground |
| SLI | Somerset Light Infantry |
| SLI(MG) | Saskatoon Light Infantry (Machine Gun) |
| SLICGRU | "S" List I Canadian General Reinforcement Unit |
| SLL | Searchlight Laying |
| Slmk | Sailmaker |
| SLP | Supply landing point |
| SLP | Supply Landing Point |
| SLR | Self Loading Rifle |
| SLR | Self Loading Rifle |
| SLT | Sub-Lieutenant |
| SLT | Second Language Training |
| SLt | Sub-Lieutenant |
| SLT | Searchlight Training |
| SLTW | Special Leave Travel Warrant |
| SLU | Signals Landline Units |
| SM | Signalman Stand signal watch on bridge. Identify flags. Use blinker, searchlight and semaphore. Use range finder, searchlights, signal apparatus. |
| SM | Supply & Maintenance |
| SM | Stoker Mechanic |
| SM | Sergeant Major |
| SM | Sergeant Major |
| SM1c | Signalman, First Class |
| SM2c | Signalman, Second Class |
| SM3c | Signalman, Third Class |
| SMBH | Standing Medical Board Hamilton |
| SMC | Sten machine carbine |
| SMC | Sten Machine Carbine or Stadd Message Control |
| SMD | Superintendent of Mining & Design |
| SME | Subject Matter Expert |
| SME | School of Military Training |
| SME | School of Military Engineering or School of Mechanical Engineers |
| SMEBritUnits | School of Mechanical Engineers |
| SMG | Sub Machine Gun |
| SMG | Sub-Machine Gun |
| SMG | Sergeant-Major |
| SMG | Sub Machine Gun |
| SMH | Sorel Military Hospital |
| SMHIRCAMC | Sydney Military Hospital Installation, Royal Canadian Army Medical Corps |
| SMHRCAMC | Saskatoon Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Shelburne Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Sherbrooke Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Simcoe Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Suffield Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Sussex Military Hospital, Royal Canadian Army Medical Corps |
| SMi | Shrapnel Mine |
| SMIG | Sergeant Major Instructor in Gunnery |
| SMjr | Sergeant Major |
| SMLE | Short Magazine Lee-Enfield |
| Smn | Seaman |
| SMO | Senior medical officer |
| SMO | Senior Medical Officer |
| SMO(D) | Squadron Medical Officer (Dental) |
| SMP | Standard Military Pattern |
| SMR | School of Maritime Reconnaissance |
| SMT | Square-mesh track (building material) |
| SMTO | Senior Mechanical Transport Officer |
| SMTP | Special Militia Training Program |
| SMTSIDRCOC | Special Mechanical Transport / Military / Militia or Motor Transport Stores Increment Detachment, Royal Canadian Ordnance Corps |
| SN | Sonarman |
| SN-2 | German Night Fighter Radar |
| SNAD | Supt. Naval Armament Depot |
| SNC | School of Naval Cooperation |
| SNCF | Southern Naval Coastal Frontier |
| SNCO | Senior None Commissioned Officer |
| SNCO | Senior Non-Commissioned Officer |
| SNEO(T) | Senior Naval Experimental Officer (Torpedoes) |
| SNLR | Services No Longer Required |
| SNO | Senior Naval Officer |
| SNO | Senior Naval Officer |
| SNOAL | Senior Naval Officer Advanced Landing |
| SNOC | Senior Naval Officer Cyrenaica |
| SNOCA | Senior Naval Officer Casablanca Area |
| SNOCON | Senior Naval Officer Combined Operations North |
| SNOCOW | Senior Naval Officer Combined Operations Isle of Wight |
| SNOESy | Senior Naval Officer, Eastern Sicily |
| SNOIS | Senior Naval Officer in Charge |
| SNOL | Senior Naval Officer Landing |
| SNOLA | Senior Laval Officer Landing, Levant Area |
| SNOTrip | Senior Naval Officer Tripolitania |
| SNR | Senior Naval Representative |
| SNSO | Superintending Naval Store Officer |
| SO | Staff officer |
| SO | Special Operator |
| SO | Signals Officer |
| SO | Staff Officer |
| SO | Senior Officer |
| SO | Standing Orders |
| SO | Senior Officer or Staff Officer or Section Officer |
| SO(A/AIR) | Staff Officer for Air Duties |
| SO(CO) | Staff Officer (Combined Operations) |
| SO(D)S | Senior Officer (Dutch Ships) |
| SO(I) | Staff Officer (Intelligence) |
| SO(M) | Staff Officer (Material) |
| SO(O) | Staff Officer (Operations) |
| SO(P) | Staff Officer (Plans) |
| SO(T) | Staff Officer (Trade) |
| SO/SM | Senior Officer, Submarine |
| SOAC | School of Army Co-operation |
| SOACEF | Senior Officer Aircraft Carriers Eastern Fleet |
| SOAF | School of Air Fighting |
| SOAF&BD | School of Air Fighting & Bomb Dropping |
| SOAF&G | School of Air Fighting and Gunnery |
| SOAFTT(1) | School of Air Force Technical Training (India) |
| SOAG | School of Air Gunnery |
| SOAN&BD | School of Aerial Navigation & Bomb Dropping |
| SOAS | School of Air Navigation |
| SOASR | School of Air Sea Rescue |
| SOAT | School of Air Transport |
| SOATC | School of Air Traffic Control |
| SOC | Struck off Charge; or Sector Operations Control |
| SOC | Senior Officers Course |
| SOCO | Signal Officer, Combined Operations |
| SOCS | Staff Officer Control Service (Naval) |
| SODS(Air) | Staff Officer Dental Services (Air) |
| SOE | Special Operations executive |
| SOE | Special Operation Executive |
| SOE | Special Operations Executive |
| SOEATPACFOR | Commander U.S. South East Pacific Force |
| SOEscorts | Senior Officer Escorts |
| SOF | Special Operations Flight |
| SOF(V) | Senior Office Force (V) |
| SofA | School of Artillery |
| SofC | School of Cookery |
| SOFP | School of Fighter Plotting |
| SOFP | School of Photography |
| SOFRT | School of Recruit Training |
| SofS | Statement of Service |
| SOFSC | Senior Officer Fleet Signal School |
| SOG | Special Operations Group |
| SOH | Staff Officer / Senior Officer / Signal Officer or Standing Orders Force "H" |
| SOI | School of Instruction |
| SOI | Staff Officer - Intelligence |
| SOIC | Senior Officer In Command |
| SOK | Norwegian Mission, Cockspur St. South West 1 |
| SoM | Sonarman Operate special sound equipment. |
| SOM LI | Somerset Light Infantry (Prince Albert's) |
| SOM LI | Somerset Light Infantry |
| Som LI (Somt) | The Somerset Light Infantry Regiment (Prince Albert's) |
| SoM1c | Soundman, First Class |
| SoM2c | Soundman, Second Class |
| SoM3c | Soundman, Third Class |
| SOMA | School of Military Aeronautics |
| SOMBB | Senior Officer Mobile Balloon Barrage |
| SOMBB | Senior Officer Motor Boat Base |
| SOME | Senior Ordnance Mechanical Engineer |
| SOME | Senior Ordnance Mechanical Engineer |
| SoMH | Sonarman H Operate special harbor sound equipment. |
| SomLI | Somerset Light Infantry |
| SON&BD | School of Navigation & Bomb Dropping |
| Sonarmn | Sonarman (Sea) |
| SONC&AN | School of Naval Cooperation & Aerial Navigation |
| SONT | Senior Officer Northern Trawlers |
| SOO | Staff Officer for Operational Duties |
| SOP | Standard Operating Procedure |
| SOP(A) | U.S. Naval Senior Officer Present Afloat at (U.S.) |
| SOPACFOR | Commander U.S. Pacific Force |
| SOPL | Staff Officer Polish Liaison |
| SOPs | Standing Operating Procedures |
| SOPT | School of Parachute Training |
| SOR | Sector Operations Room |
| SORD | Strategic Operations and Resource Direction |
| SORE | Staff Officer, Royal Engineers |
| SORE | Staff Officer Royal Engineers |
| SORM | Senior Officer, Royal Marines |
| SORS(B) | Senior Officer Raiding Squadron "B" |
| SORS(D) | Senior Officer Raiding Squadron (Dutchmen) |
| SORS(H) | Senior Officer Raiding Squadron "H" |
| SORTF | Senior Officer Radar Training Flotilla |
| SOS | Struck off strength (of a unit); or Save Our Souls |
| SOS | Signed on strength (always followed by date) |
| SOS | Send Ordinary Course or Senior Officer Chasseurs |
| SOS | Struck off strength - when a soldier ceases to be a member of a unit because of transfer, injury or death |
| SOS | Struck Off Strength or Static Officers Shop |
| SOS1RCOCRU | Struck Off Strength 1 Reserve or Regiment, Canadian Ordnance Corps Reinforcement Unit |
| SOSEF | Senior Officer Suez Escort Force |
| SOSF | School of Special Flying |
| SOSG | Senior Officer Support Group |
| SOTC | Special Officers Training Centre |
| SOTLDF | Senior Officer Thames Local Defence Flotilla |
| SOVMPF | Senior Officer Vernon Mine Recovery Flotilla |
| SoW | Superintendent of Works |
| SOWESTPACFOR | Commander U.S. South West Pacific Force (U.S.) |
| SOWT | School of Wireless Telephony |
| SP | Self-propelled or starting point |
| SP | Staging Post; or Service Police; or Self Propelled; or Start Point, Support or supported |
| sp | Support |
| SP | Security Police |
| SP | Signal Publication |
| SP | Special Posting |
| SP | Self-Propelled |
| SP | Shore Patrol |
| SP | Staging Post |
| SP | Sapper |
| SP | Staging Post or Supported or Start Point or Support |
| SP | Self-propelled or Service Police |
| Sp. | Special |
| Sp(A) | Specialist A Athletic instructor. |
| Sp(C) | Specialist C Classification interviewer. |
| Sp(F) | Specialist F Fire fighter. |
| Sp(G) | Specialist G Aviation free gunnery instructor. |
| Sp(I) | Specialist I Punched card accounting machine operator and mechanic. |
| Sp(M) | Specialist M Mail clerk. |
| Sp(O) | Specialist O Inspector of Naval material. |
| Sp(P) | Specialist P Photographic specialist. |
| Sp(P)(LB) | Specialist P (LB) Laboratory. |
| Sp(P)(MP) | Specialist P (MP) Motion picture production. |
| Sp(P)(PG) | Specialist P (PG) Photogrammetry. |
| Sp(P)(VM) | Specialist P (VM) V-mail. |
| Sp(Q) | Specialist Q Communication specialist. |
| Sp(Q)(CR) | Specialist Q (CR) Cryptographer. |
| Sp(Q)(IN) | Specialist Q (IN) Radio Intelligence. |
| Sp(Q)(TE) | Specialist Q (TE) Technicians. |
| Sp(R) | Specialist R Recruiter. |
| Sp(S) | Specialist S Shore patrol. Master-at-arms. |
| Sp(T) | Specialist T Teacher. |
| Sp(T)(LT) | Specialist T (LT) Link Trainer Instructor. |
| Sp(U) | Specialist U Supervisor of WAVE quarters. |
| Sp(V) | Specialist V Transport airman. |
| Sp(W) | Specialist W Chaplain's assistant. |
| Sp(X) | Specialist X Specialists not elsewhere classified. |
| Sp(X)(CT) | Specialist X (CT) Cartographer. |
| Sp(X)(ED) | Specialist X (ED) Engineering draftsman. |
| Sp(X)(PI) | Specialist X (PI) Pigeon trainer. |
| Sp(X)(PL) | Specialist X (PL) Plastic expert. |
| Sp(X)(QM) | Specialist X (QM) Operation - plotting and chart work. |
| Sp(X)(SB) | Specialist X (SB) Telephone switchboard operator supervisors. |
| Sp(X)(TD) | Specialist X (TD) Topographical draftsman. |
| Sp(X)(TS) | Specialist X (TS) Air stations operations desk (time shack). |
| Sp(X)(VA) | Specialist X (VA) Visual training aids. |
| Sp(Y) | Specialist Y Control tower operator. |
| Sp1c(*) | Specialist First Class |
| Sp2c(*) | Specialist, Second Class |
| Sp3c(*) | Specialist, Third Class |
| SPA | South Pacific Area |
| SPB | Service Police Barracks |
| SPBulletin | Senior Psychologist's (Administration) Bulletin |
| SpConst | Special Constable |
| SPCOSA | Spare Part Control Offices South Africa |
| Spec | Special |
| Spec | Specialist |
| SpecInc | Special Increment |
| SPENAVO | Special Naval Observer, London (U.S.) |
| SPNOCD | Senior Polish Naval Officer, Clyde District |
| SPO | Stoker Petty Officer |
| SPO(FF) | Stoker Petty Officer (Fire Fighter) |
| SPR | Sapper (lowest enlisted rank in Canadian Engineers) |
| Spr | Sapper - lowest enlisted rank in Canadian Engineers (see CE) |
| SPR | Sapper |
| SPSO | Senior Personnel Staff Officer |
| SPSRCASC(D) | Supply Personnel Section, Royal Canadian Army Service Corps (Deffered) |
| SPSS | Spare Parts Supply Section |
| Spts | Sportsman |
| SPTU | Staff Pilots Training Unit |
| Spvr | Supervisor |
| SQ | Soldier Qualification Course |
| SQ | Sydney-Quebec convoy |
| SQ | Soldier Qualification |
| SQ | Squadron |
| SQ/SQN/SQD | Squadron |
| Sqd | Squadron |
| SQD | Squadron |
| Sqd. | Squadron |
| Sqdn | Squadron |
| SQFT | Secteur du Qubec de la Force terrestre |
| SQMS | Staff or squadron quarter-master-serjeant |
| SQMS | Squadron Quartermaster-Sergeant |
| SQMS | Staff Quartermaster-Sergeant |
| SQMS | Staff Quarter-Master Sergeant |
| SQN | Squadron |
| SQN | Squadron |
| SQN O | Squadron Officer |
| SQN QMS | Squadron Quarter-Master Sergeant |
| SQN SM | Squadron Sergeant-Major |
| Squadron code 1 | No. 59 Squadron RAF |
| Squadron code 1 | No. 172 Squadron RAF |
| Squadron code 1 | No. 206 Squadron RAF |
| Squadron code 1 | No. 407 Squadron RCAF |
| Squadron code 1 | No. 601 Squadron RAF |
| Squadron code 1 | No. 3 School of General Reconnaissance |
| Squadron code 1 | No. 1 Radio School |
| Squadron code 10 | No. 10 Group Target Towing Flight |
| Squadron code 11 | No. 11 Group Target Towing Flight |
| Squadron code 12 | No. 12 Group Target Towing Flight |
| Squadron code 13 | No. 13 Group Target Towing Flight |
| Squadron code 1C | Station Flight?RAF Scampton |
| Squadron code 2 | No. 143 Squadron RAF |
| Squadron code 2 | No. 220 Squadron RAF |
| Squadron code 2 | No. 304 Squadron RAF |
| Squadron code 2 | No. 404 Squadron RCAF |
| Squadron code 2 | No. 407 Squadron RCAF |
| Squadron code 2 | No. 422 Squadron RCAF |
| Squadron code 2 | No. 455 Squadron RAAF |
| Squadron code 2 | No. 603 Squadron RAF |
| Squadron code 2 | No. 3 School of General Reconnaissance |
| Squadron code 2 | No. 2 Radio School |
| Squadron code 26 | No. 26 Anti-Aircraft Co-operation Unit |
| Squadron code 2A | Station Flight?RAF St Eval |
| Squadron code 2B | No. 272 Maintenance Unit RAF |
| Squadron code 2H | Station Flight?RAF Brawdy |
| Squadron code 2I | No. 443 Squadron RCAF |
| Squadron code 2K | No. 1668 Conversion Unit RAF |
| Squadron code 2L | No. 9 Maintenance Unit RAF |
| Squadron code 2M | No. 520 Squadron RAF |
| Squadron code 2N | Station Flight?RAF Foulsham |
| Squadron code 2O | No. 84 Group Communication Flight |
| Squadron code 2P | No. 644 Squadron RAF |
| Squadron code 2Q | No. 88 Group Communication Flight |
| Squadron code 2V | No. 18 Group Communication Flight |
| Squadron code 2V | No. 547 Squadron RAF |
| Squadron code 2W | No. 3 School of General Reconnaissance |
| Squadron code 2X | No. 85 Operational Training Unit RAF |
| Squadron code 2Y | No. 345 Squadron RAF |
| Squadron code 3 | No. 280 Squadron RAF |
| Squadron code 3 | No. 423 Squadron RCAF |
| Squadron code 3 | No. 601 Squadron RAF |
| Squadron code 3 | No. 3 School of General Reconnaissance |
| Squadron code 33 | No. 15 Squadron SAAF |
| Squadron code 3B | No. 23 Maintenance Unit RAF |
| Squadron code 3C | No. 1 Lancaster Finishing School |
| Squadron code 3D | No. 4 Ferry Pool |
| Squadron code 3E | No. 100 Group Communication Flight |
| Squadron code 3F | British Air Forces of Occupation Communication Wing |
| Squadron code 3G | No. 111 Operational Training Unit RAF |
| Squadron code 3H | No. 80 Operational Training Unit RAF |
| Squadron code 3J | No. 13 Maintenance Unit RAF |
| Squadron code 3K | No. 1695 Flight RAF |
| Squadron code 3L | Fighter Command Control and Reporting School |
| Squadron code 3M | No. 679 Squadron RAF |
| Squadron code 3M | No. 48 Group Communication Flight |
| Squadron code 3O | Station Flight?RAF Wratting Common |
| Squadron code 3P | No. 515 Squadron RAF |
| Squadron code 3S | No. 3 Group Communication Flight |
| Squadron code 3T | Station Flight?RAF Acaster Malbis |
| Squadron code 3V | No. 1 Group Communication Flight |
| Squadron code 3W | No. 322 Squadron RAF |
| Squadron code 3X | No. 38 Maintenance Unit RAF |
| Squadron code 3Y | No. 577 Squadron RAF |
| Squadron code 4 | No. 3 School of General Reconnaissance |
| Squadron code 4 | No. 4 Radio School |
| Squadron code 4A | No. 2 Group Communication Flight |
| Squadron code 4B | No. 5 Group Communication Flight |
| Squadron code 4D | No. 48 Maintenance Unit RAF |
| Squadron code 4D | No. 74 Squadron RAF |
| Squadron code 4E | No. 1687 Flight RAF |
| Squadron code 4H | No. 142 Squadron RAF |
| Squadron code 4J | No. 5 Maintenance Unit RAF |
| Squadron code 4K | Station Flight?RAF West Malling |
| Squadron code 4L | Station Flight?RAF Mowbray |
| Squadron code 4M | No. 695 Squadron RAF |
| Squadron code 4Q | No. 59 Operational Training Unit RAF |
| Squadron code 4Q | Coastal Command Fighter Affiliation Unit |
| Squadron code 4S | Central Signals Establishment |
| Squadron code 4T | Station Flight?RAF Portreath |
| Squadron code 4U | No. 30 Maintenance Unit RAF |
| Squadron code 4W | Station Flight?RAF Snaith |
| Squadron code 4X | No. 230 Squadron RAF |
| Squadron code 4X | No. 1692 Flight RAF |
| Squadron code 4Z | No. 1699 Flight RAF |
| Squadron code 4Z | No. 1699 Conversion Unit RAF |
| Squadron code 4Z | Bomber Command Communication Squadron |
| Squadron code 5 | No. 3 School of General Reconnaissance |
| Squadron code 5 | School of Air Sea Rescue |
| Squadron code 5 | No. 5 Middle East Training School |
| Squadron code 5 | No. 10 Radio School |
| Squadron code 5A | No. 329 (French) Squadron RAF |
| Squadron code 5D | Station Flight?RAF Gibraltar |
| Squadron code 5F | No. 147 Squadron RAF |
| Squadron code 5G | No. 299 Squadron RAF |
| Squadron code 5H | Station Flight?RAF Chivenor |
| Squadron code 5I | Station Flight?RAF Benson |
| Squadron code 5J | No. 126 Squadron RAF |
| Squadron code 5K | No. 39 Maintenance Unit RAF |
| Squadron code 5N | No. 38 Group Communication Flight |
| Squadron code 5O | No. 521 Squadron RAF |
| Squadron code 5R | No. 33 Squadron RAF |
| Squadron code 5S | No. 691 Squadron RAF |
| Squadron code 5T | No. 233 Squadron RAF |
| Squadron code 5V | No. 439 Squadron RCAF |
| Squadron code 6 | No. 600 Squadron RAF |
| Squadron code 6 | No. 11 Radio School |
| Squadron code 6B | Station Flight?RAF Tempsford |
| Squadron code 6C | Photographic Reconnaissance Development Unit |
| Squadron code 6D | No. 631 Squadron RAF |
| Squadron code 6F | No. 1669 Conversion Unit RAF |
| Squadron code 6G | No. 223 Squadron RAF |
| Squadron code 6H | No. 96 Squadron RAF |
| Squadron code 6H | No. 1688 Flight RAF |
| Squadron code 6J | No. 34 Squadron RAF |
| Squadron code 6O | No. 582 Squadron RAF |
| Squadron code 6Q | Station Flight?RAF Pembroke Dock |
| Squadron code 6R | No. 41 Operational Training Unit RAF |
| Squadron code 6T | No. 608 Squadron RAF |
| Squadron code 6U | No. 415 Squadron RCAF |
| Squadron code 6V | Station Flight?RAF Cottesmore |
| Squadron code 6Y | No. 171 Squadron RAF |
| Squadron code 6Z | No. 19 Maintenance Unit RAF |
| Squadron code 7 | No. 12 Radio School |
| Squadron code 7A | No. 614 Squadron RAF |
| Squadron code 7B | No. 5 Squadron RAF |
| Squadron code 7C | No. 595 Squadron RAF |
| Squadron code 7D | No. 296 Squadron RAF |
| Squadron code 7E | No. 327 Squadron RAF |
| Squadron code 7G | Station Flight?RAF Northolt |
| Squadron code 7H | No. 84 Group Communication Flight |
| Squadron code 7I | Station Flight?RAF Acklington |
| Squadron code 7J | No. 7 (Belgian AF) Squadron RAF |
| Squadron code 7K | Survival and Rescue Training Unit |
| Squadron code 7L | No. 59 Operational Training Unit RAF |
| Squadron code 7M | No. 1 parachute Training School |
| Squadron code 7N | Signals Flying Unit |
| Squadron code 7R | No. 524 Squadron RAF |
| Squadron code 7S | No. 83 Group Support Unit |
| Squadron code 7T | No. 169 Squadron RAF |
| Squadron code 7U | Station Flight?RAF Bardney |
| Squadron code 7X | Station Flight?RAF Aldergrove |
| Squadron code 7Z | No. 1381 Conversion Unit RAF |
| Squadron code 8A | No. 298 Squadron RAF |
| Squadron code 8B | No. 1508 Flight RAF |
| Squadron code 8C | No. 12 Maintenance Unit RAF |
| Squadron code 8D | No. 220 Squadron RAF |
| Squadron code 8E | No. 295 Squadron RAF |
| Squadron code 8F | No. 105 Operational Training Unit RAF |
| Squadron code 8F | No. 1381 Conversion Unit RAF |
| Squadron code 8H | No. 8 Group Communication Flight |
| Squadron code 8I | No. 2 Armament Practice Station |
| Squadron code 8I | Armament Practice Station Acklington |
| Squadron code 8K | No. 571 Squadron RAF |
| Squadron code 8L | No. 92 Squadron RAF |
| Squadron code 8P | No. 525 Squadron RAF |
| Squadron code 8Q | No. 34 Squadron RAF |
| Squadron code 8T | No. 298 Squadron RAF |
| Squadron code 8U | Station Flight?RAF Ballykelly |
| Squadron code 8V | No. 6 Operational Training Unit RAF |
| Squadron code 8V | No. 60 Operational Training Unit RAF |
| Squadron code 8W | No. 612 Squadron RAF |
| Squadron code 8Y | No. 15 Maintenance Unit RAF |
| Squadron code 8Z | No. 295 Squadron RAF |
| Squadron code 9 | No. 9 Group Target Towing Flight |
| Squadron code 9C | No. 82 Operational Training Unit RAF |
| Squadron code 9E | British Air Forces of Occupation Communication Squadron |
| Squadron code 9F | Station Flight?RAF Stradishall |
| Squadron code 9G | No. 441 Squadron RCAF |
| Squadron code 9I | No. 326 Squadron RAF |
| Squadron code 9J | No. 227 Squadron RAF |
| Squadron code 9K | No. 1 Torpedo Training Unit |
| Squadron code 9M | No. 1690 Flight RAF |
| Squadron code 9N | No. 127 Squadron RAF |
| Squadron code 9O | No. 44 Maintenance Unit RAF |
| Squadron code 9P | No. 85 Operational Training Unit RAF |
| Squadron code 9R | No. 229 Squadron RAF |
| Squadron code 9T | Signals Flying Unit |
| Squadron code 9U | No. 644 Squadron RAF |
| Squadron code 9W | No. 296 Squadron RAF |
| Squadron code 9X | No. 2 Ferry Pool |
| Squadron code 9Y | No. 20 Maintenance Unit RAF |
| Squadron code 9Y | No. 132 Operational Training Unit RAF |
| Squadron code A | No. 1 Photographic Reconnaissance Unit RAF |
| Squadron code A | No. 111 Operational Training Unit RAF |
| Squadron code A | No. 112 Squadron RAF |
| Squadron code A | No. 118 Squadron RAF |
| Squadron code A | No. 120 Squadron RAF |
| Squadron code A | No. 14 (Advanced) Flying Training School |
| Squadron code A | No. 14 Squadron RAF |
| Squadron code A | No. 19 Flying Training School RAF |
| Squadron code A | No. 201 Squadron RAF |
| Squadron code A | No. 202 Squadron RAF |
| Squadron code A | No. 217 Squadron RAF |
| Squadron code A | No. 229 Operational Conversion Unit RAF |
| Squadron code A | No. 266 Squadron RAF |
| Squadron code A | No. 3 Squadron RAF |
| Squadron code A | No. 39 Squadron RAF |
| Squadron code A | No. 4 Flying Training School RAF |
| Squadron code A | No. 42 Squadron RAF |
| Squadron code A | No. 43 Squadron RAF |
| Squadron code A | No. 5 Squadron RAF |
| Squadron code A | No. 541 Squadron RAF |
| Squadron code A | No. 56 Squadron RAF |
| Squadron code A | No. 72 Squadron RAF |
| Squadron code A | No. 9 Squadron RAF |
| Squadron code A | No. 94 Squadron RAF |
| Squadron code A | RAF College Flying Training School |
| Squadron code A2 | No. 514 Squadron RAF |
| Squadron code A3 | No. 1653 Conversion Unit RAF |
| Squadron code A3 | No. 230 Operational Conversion Unit RAF |
| Squadron code A4 | No. 115 Squadron RAF |
| Squadron code A4 | No. 195 Squadron RAF |
| Squadron code A5 | No. 3 Lancaster Finishing School |
| Squadron code A6 | No. 257 Squadron RAF |
| Squadron code A9 | Station Flight?RAF Woodbridge |
| Squadron code AA | No. 134 Squadron RAF |
| Squadron code AA | No. 75 Squadron RAF |
| Squadron code AB | No. 1557 (Radio Aids Training) Flight RAF |
| Squadron code AB | No. 423 Squadron RCAF |
| Squadron code AC | No. 138 Squadron RAF |
| Squadron code AD | No. 113 Squadron RAF |
| Squadron code AD | No. 251 Squadron RAF |
| Squadron code AD | No. 60 Squadron RAF |
| Squadron code AE | No. 1409 (Meteorological) Flight RAF |
| Squadron code AE | No. 402 Squadron RCAF |
| Squadron code AF | Air Fighting Development Establishment |
| Squadron code AF | Air Fighting Development Unit |
| Squadron code AF | No. 294 Squadron RAF |
| Squadron code AF | No. 607 Squadron RAF |
| Squadron code AG | No. 197 Squadron RAF |
| Squadron code AH | No. 332 (Norwegian) Squadron RAF |
| Squadron code AI | No. 20 Operational Training Unit RAF |
| Squadron code AJ | No. 617 Squadron RAF |
| Squadron code AJ | Station Flight?RAF North Luffenham |
| Squadron code AK | No. 1657 Conversion Unit RAF |
| Squadron code AK | No. 213 Squadron RAF |
| Squadron code AL | No. 429 Squadron RCAF |
| Squadron code AL | No. 79 Squadron RAF |
| Squadron code AM | No. 14 Operational Training Unit RAF |
| Squadron code AM | No. 219 Squadron RAF |
| Squadron code AN | No. 13 Squadron RAF |
| Squadron code AN | No. 417 Squadron RCAF |
| Squadron code AN | Station Flight?RAF Great Dunmow |
| Squadron code AO | No. 211 Squadron RAF |
| Squadron code AO | No. 267 Squadron RAF |
| Squadron code AP | No. 130 Squadron RAF |
| Squadron code AP | No. 186 Squadron RAF |
| Squadron code AQ | No. 267 Squadron RAF |
| Squadron code AR | No. 309 (Polish) Squadron RAF |
| Squadron code AR | No. 460 Squadron RAAF |
| Squadron code AS | No. 100 Squadron RAF |
| Squadron code AS | No. 166 Squadron RAF |
| Squadron code AS | No. 176 Squadron RAF |
| Squadron code AS | No. 83 Squadron RAF |
| Squadron code AS | No. 97 Squadron RAF |
| Squadron code AT | No. 13 Operational Training Unit RAF |
| Squadron code AT | No. 299 Squadron RAF |
| Squadron code AT | No. 60 Operational Training Unit RAF |
| Squadron code AU | No. 148 Squadron RAF |
| Squadron code AU | No. 279 Squadron RAF |
| Squadron code AU | No. 421 Squadron RCAF |
| Squadron code AV | No. 121 (Eagle) Squadron RAF |
| Squadron code AW | No. 42 Squadron RAF |
| Squadron code AW | No. 504 Squadron RAF |
| Squadron code AW | No. 664 Squadron RAF |
| Squadron code AX | No. 161 Squadron RAF |
| Squadron code AX | 1 Squadron SAAF |
| Squadron code AX | 11 Operational Training Unit SAAF |
| Squadron code AX | No. 202 Squadron RAF |
| Squadron code AY | No. 110 Squadron RCAF |
| Squadron code AY | No. 17 Operational Training Unit RAF |
| Squadron code AZ | No. 234 Squadron RAF |
| Squadron code AZ | No. 627 Squadron RAF |
| Squadron code B | Air Training Squadron |
| Squadron code B | Canberra Standardisation and Training Flight |
| Squadron code B | Helicopter Operational Conversion Flight |
| Squadron code B | No. 11 Squadron RAF |
| Squadron code B | No. 111 Squadron RAF |
| Squadron code B | No. 14 Squadron RAF |
| Squadron code B | No. 145 Squadron RAF |
| Squadron code B | No. 17 Squadron RAF |
| Squadron code B | No. 18 Squadron RAF |
| Squadron code B | No. 19 Flying Training School RAF |
| Squadron code B | No. 2 Squadron RAF |
| Squadron code B | No. 203 Squadron RAF |
| Squadron code B | No. 206 Squadron RAF |
| Squadron code B | No. 224 Squadron RAF |
| Squadron code B | No. 230 Squadron RAF |
| Squadron code B | No. 231 Operational Conversion Unit RAF |
| Squadron code B | No. 240 Operational Conversion Unit RAF |
| Squadron code B | No. 269 Squadron RAF |
| Squadron code B | No. 29 Squadron RAF |
| Squadron code B | No. 4 Flying Training School RAF |
| Squadron code B | No. 4 Squadron RAF |
| Squadron code B | No. 5 (Pilot) Advanced Flying Unit |
| Squadron code B | No. 5 Squadron RAF |
| Squadron code B | No. 56 Squadron RAF |
| Squadron code B | No. 87 Squadron RAF |
| Squadron code B | RAF College Flying Training School |
| Squadron code B | Tri-National Tornado Training Establishment |
| Squadron code B | Wessex Training Flight |
| Squadron code B3 | Station Flight?RAF Wyton |
| Squadron code B4 | No. 282 Squadron RAF |
| Squadron code B6 | Station Flight?RAF Spilsby |
| Squadron code B7 | Station Flight?RAF Waddington |
| Squadron code B8 | Station Flight?RAF Woodhall Spa |
| Squadron code B9 | No. 1562 Flight RAF |
| Squadron code BA | No. 277 Squadron RAF |
| Squadron code BA | No. 125 Squadron RCAF |
| Squadron code BB | No. 226 Operational Conversion Unit RAF |
| Squadron code BB | No. 27 Operational Training Unit RAF |
| Squadron code BB | No. 347 Squadron RAF |
| Squadron code BC | No. 511 Squadron RAF |
| Squadron code BC | Photographic Reconnaissance Development Unit |
| Squadron code BD | Air Observation Post School |
| Squadron code BD | Light Aeroplane School |
| Squadron code BD | No. 227 Operational Conversion Unit RAF |
| Squadron code BD | No. 43 Operational Training Unit RAF |
| Squadron code BE | No. 284 Squadron RAF |
| Squadron code BE | No. 8 Operational Training Unit RAF |
| Squadron code BF | No. 14 Squadron RCAF |
| Squadron code BF | No. 28 Squadron RAF |
| Squadron code BF | No. 54 Operational Training Unit RAAF |
| Squadron code BG | No. 606 Squadron RAF |
| Squadron code BG | No. 660 Squadron RAF |
| Squadron code BH | No. 215 Squadron RAF |
| Squadron code BH | No. 228 Squadron RAF |
| Squadron code BH | No. 300 (Polish) Squadron RAF |
| Squadron code BI | Station Flight?RAF Holme-on-Spalding Moor |
| Squadron code BJ | No. 271 Squadron RAF |
| Squadron code BJ | No. 334 Squadron RAF |
| Squadron code BK | No. 115 Squadron RAF |
| Squadron code BK | Southern Sector Communication Flight |
| Squadron code BL | No. 1656 Conversion Unit RAF |
| Squadron code BL | No. 40 Squadron RAF |
| Squadron code BL | No. 609 Squadron RAF |
| Squadron code BM | No. 308 Squadron RAF |
| Squadron code BM | No. 433 Squadron RCAF |
| Squadron code BN | No. 1401 Flight RAF |
| Squadron code BN | No. 170 Squadron RAF |
| Squadron code BN | No. 240 Squadron RAF |
| Squadron code BN | No. 618 Squadron RAF |
| Squadron code BO | No. 630 Squadron RAF |
| Squadron code BP | No. 457 Squadron RAAF |
| Squadron code BP | No. 519 Squadron RAF |
| Squadron code BQ | No. 451 Squadron RAAF |
| Squadron code BQ | No. 509 Squadron RAF |
| Squadron code BQ | No. 550 Squadron RAF |
| Squadron code BQ | No. 600 Squadron RAF |
| Squadron code BR | No. 184 Squadron RAF |
| Squadron code BS | No. 120 Squadron RAF |
| Squadron code BS | No. 148 Squadron RAF |
| Squadron code BS | No. 160 Squadron RAF |
| Squadron code BS | No. 1651 Conversion Unit RAF |
| Squadron code BT | No. 113 Squadron RAF |
| Squadron code BT | No. 252 Squadron RAF |
| Squadron code BT | No. 30 Operational Training Unit RAF |
| Squadron code BTU | Bombing Trials Unit |
| Squadron code BU | No. 214 Squadron RAF |
| Squadron code BU | No. 227 Squadron RAF |
| Squadron code BV | No. 305 Squadron RAF |
| Squadron code BW | No. 58 Squadron RAF |
| Squadron code BX | No. 86 Squadron RAF |
| Squadron code BY | No. 23 Operational Training Unit RAF |
| Squadron code BY | No. 255 Squadron RAF |
| Squadron code BY | No. 58 Squadron RAF |
| Squadron code BY | No. 59 Squadron RAF |
| Squadron code BZ | No. 107 Squadron RAF |
| Squadron code BZ | No. 82 Operational Training Unit RAF |
| Squadron code C | Air Training Squadron |
| Squadron code C | No. 100 Squadron RAF |
| Squadron code C | No. 111 Operational Training Unit RAF |
| Squadron code C | No. 1563 Flight RAF |
| Squadron code C | No. 17 Squadron RAF |
| Squadron code C | No. 19 Flying Training School RAF |
| Squadron code C | No. 2 Tactical Air Force Communication Squadron,?No. 3 Group Communication Flight |
| Squadron code C | No. 20 Squadron RAF |
| Squadron code C | No. 208 Squadron RAF |
| Squadron code C | No. 216 Squadron RAF |
| Squadron code C | No. 228 Operational Conversion Unit RAF |
| Squadron code C | No. 236 Operational Conversion Unit RAF |
| Squadron code C | No. 237 Operational Conversion Unit RAF |
| Squadron code C | No. 240 Operational Conversion Unit RAF |
| Squadron code C | No. 33 Squadron RAF |
| Squadron code C | No. 4 Squadron RAF |
| Squadron code C | No. 5 Squadron RAF |
| Squadron code C | RAF College Flying Training School |
| Squadron code C2 | Bomber Command Instructors School |
| Squadron code C5 | Station Flight?RAF Tibenham |
| Squadron code C6 | No. 51 Squadron RAF |
| Squadron code C8 | No. 640 Squadron RAF |
| Squadron code CA | No. 189 Squadron RAF |
| Squadron code CA | 3 Squadron SAAF |
| Squadron code CB | Metropolitan Communication Squadron |
| Squadron code CB | No. 31 Squadron RAF |
| Squadron code CC | Station Flight?RAF Holmsley South |
| Squadron code CE | No. 5 Lancaster Finishing School |
| Squadron code CF | No. 625 Squadron RAF |
| Squadron code CG | Station Flight?RAF Binbrook |
| Squadron code CH | Station Flight?RAF Swinderby |
| Squadron code CJ | No. 203 Squadron RAF |
| Squadron code CL | Station Flight?RAF Little Staughton |
| Squadron code CM | No. 107 Operational Training Unit RAF |
| Squadron code CM | No. 1333 Conversion Unit RAF |
| Squadron code CM | No. 42 Group Communication Flight |
| Squadron code CO | No. 84 Operational Training Unit RAF |
| Squadron code CP | Station Flight?RAF Topcliffe |
| Squadron code CR | No. 162 Squadron RAF |
| Squadron code CS | No. 513 Squadron RAF |
| Squadron code CS | Station Flight?RAF Upwood |
| Squadron code CV | Station Flight?RAF Tuddenham |
| Squadron code CV | No. 3 Squadron RAAF |
| Squadron code CX | No. 14 Squadron RAF |
| Squadron code CY | Station Flight?RAF Ludford Magna |
| Squadron code CZ | No. 222 Squadron RAF |
| Squadron code CZ | No. 84 Operational Training Unit RAF |
| Squadron code D | Lightning Training Flight |
| Squadron code D | No. 11 Squadron RAF |
| Squadron code D | No. 14 (Advanced) Flying Training School |
| Squadron code D | No. 15 Squadron RAF |
| Squadron code D | No. 19 Flying Training School RAF |
| Squadron code D | No. 230 Squadron RAF |
| Squadron code D | No. 234 Squadron RAF |
| Squadron code D | No. 235 Operational Conversion Unit RAF |
| Squadron code D | No. 31 Squadron RAF |
| Squadron code D | No. 4 Flying Training School RAF |
| Squadron code D | No. 7 Flying Training School RAF |
| Squadron code D | RAF College Flying Training School |
| Squadron code D2 | No. 1606 Flight RAF |
| Squadron code D4 | No. 620 Squadron RAF |
| Squadron code D6 | Station Flight?RAF Hethel |
| Squadron code D8 | No. 22 Maintenance Unit RAF |
| Squadron code D8 | No. 5 Ferry Pool RAF |
| Squadron code DA | No. 210 Squadron RAF |
| Squadron code DA | No. 273 Maintenance Unit RAF |
| Squadron code DB | 2 Squadron SAAF |
| Squadron code DB | No. 229 Squadron RAF |
| Squadron code DB | No. 411 Squadron RCAF |
| Squadron code DC | Station Flight?RAF Oakington |
| Squadron code DD | No. 15 Squadron RAAF |
| Squadron code DD | No. 22 Operational Training Unit RAF |
| Squadron code DD | No. 45 Squadron RAF |
| Squadron code DE | No. 61 Operational Training Unit RAF |
| Squadron code DE | No. 86 Squadron RAF |
| Squadron code DF | Central Bomber Establishment |
| Squadron code DF | No. 221 Squadron RAF |
| Squadron code DG | No. 150 Squadron RAF |
| Squadron code DG | No. 155 Squadron RAF |
| Squadron code DG | No. 422 Squadron RCAF |
| Squadron code DH | No. 1664 Conversion Unit RAF |
| Squadron code DH | No. 540 Squadron RAF |
| Squadron code DI | Station Flight?RAF Kemble |
| Squadron code DJ | No. 15 Squadron RAF |
| Squadron code DJ | No. 612 Squadron RAF |
| Squadron code DK | No. 32 Operational Training Unit RAF |
| Squadron code DL | No. 421 (Reconnaissance) Flight RAF |
| Squadron code DL | No. 54 Squadron RAF |
| Squadron code DL | No. 91 Squadron RAF |
| Squadron code DL | No. 92 Squadron RAF |
| Squadron code DM | No. 248 Squadron RAF |
| Squadron code DN | No. 416 Squadron RCAF |
| Squadron code DO | No. 199 Squadron RAF |
| Squadron code DP | No. 1416 Flight RAF |
| Squadron code DP | No. 193 Squadron RAF |
| Squadron code DP | No. 30 Squadron RAF |
| Squadron code DS | Station Flight?RAF Llanbedr |
| Squadron code DT | No. 192 Squadron RAF |
| Squadron code DT | No. 257 Squadron RAF |
| Squadron code DU | No. 312 (Czech) Squadron RAF |
| Squadron code DU | No. 70 Squadron RAF |
| Squadron code DV | No. 129 Squadron RAF |
| Squadron code DW | No. 610 Squadron RAF |
| Squadron code DX | No. 230 Squadron RAF |
| Squadron code DX | No. 245 Squadron RAF |
| Squadron code DX | No. 57 Squadron RAF |
| Squadron code DX | 4 Squadron SAAF |
| Squadron code DY | No. 102 Squadron RAF |
| Squadron code DY | No. 112 Squadron RAF |
| Squadron code DY | No. 508 Squadron RAF |
| Squadron code DZ | No. 151 Squadron RAF |
| Squadron code E | No. 15 Squadron RAF |
| Squadron code E | No. 18 Squadron RAF |
| Squadron code E | No. 19 Flying Training School RAF |
| Squadron code E | No. 23 Squadron RAF |
| Squadron code E | No. 360 Squadron RAF |
| Squadron code E | No. 5 (Pilots) Advanced Flying Unit |
| Squadron code E | No. 6 Squadron RAF |
| Squadron code E | No. 7 Squadron RAF |
| Squadron code E | No. 72 Squadron RAF |
| Squadron code E | RAF College Flying Training School |
| Squadron code E2 | Station Flight?RAF Warboys |
| Squadron code E4 | Station Flight?RAF Wickenby |
| Squadron code E7 | No. 570 Squadron RAF |
| Squadron code E9 | Station Flight?RAF Westcott |
| Squadron code EA | Central Fighter Establishment |
| Squadron code EA | No. 325 Squadron RAF |
| Squadron code EA | No. 49 Squadron RAF |
| Squadron code EB | No. 41 Squadron RAF |
| Squadron code EC | Station Flight?RAF Odiham |
| Squadron code ED | No. 21 Operational Training Unit RAF |
| Squadron code EE | No. 16 Squadron RAF |
| Squadron code EE | No. 404 Squadron RCAF |
| Squadron code EE | Station Flight?RAF Elvington |
| Squadron code EF | No. 102 Squadron RAF |
| Squadron code EF | No. 15 Squadron RAF |
| Squadron code EF | No. 232 Squadron RAF |
| Squadron code EF | No. 36 Operational Training Unit RAF |
| Squadron code EG | No. 16 Squadron RAF |
| Squadron code EG | No. 268 Squadron RAF |
| Squadron code EG | No. 302 Squadron RAF |
| Squadron code EG | No. 34 Squadron RAF |
| Squadron code EG | No. 487 Squadron RNZAF |
| Squadron code EH | No. 109 Squadron RAF |
| Squadron code EH | No. 3 Tactical Exercise Unit |
| Squadron code EH | No. 55 Operational Training Unit RAF |
| Squadron code EJ | Coastal Command Flying Instructors School |
| Squadron code EJ | Coastal Command Instructors School |
| Squadron code EJ | No. 127 Squadron RAF |
| Squadron code EK | No. 1656 Conversion Unit RAF |
| Squadron code EK | No. 168 Squadron RAF |
| Squadron code EL | No. 10 Operational Training Unit RAF |
| Squadron code EL | No. 181 Squadron RAF |
| Squadron code EL | No. 71 Squadron RAF |
| Squadron code EM | No. 207 Squadron RAF |
| Squadron code EN | No. 27 Operational Training Unit RAF |
| Squadron code EO | No. 15 Operational Training Unit RAF |
| Squadron code EO | No. 404 Squadron RCAF |
| Squadron code EP | No. 104 Squadron RAF |
| Squadron code EP | No. 84 Group Communication Flight |
| Squadron code EQ | No. 408 Squadron RCAF |
| Squadron code EQ | No. 57 Squadron RAF |
| Squadron code ER | No. 1552 Flight RAF |
| Squadron code ER | No. 621 Squadron RAF |
| Squadron code ES | No. 229 Operational Conversion Unit RAF |
| Squadron code ES | No. 541 Squadron RAF |
| Squadron code ES | No. 628 Squadron RAF |
| Squadron code EU | No. 26 Operational Training Unit RAF |
| Squadron code EU | No. 641 Squadron RAF |
| Squadron code EV | No. 180 Squadron RAF |
| Squadron code EV | No. 191 Squadron RAF |
| Squadron code EW | No. 307 (Polish) Squadron RAF |
| Squadron code EW | No. 47 Squadron RAF |
| Squadron code EX | No. 11 Squadron RAF |
| Squadron code EX | No. 117 Squadron RAF |
| Squadron code EX | No. 199 Squadron RAF |
| Squadron code EX | No. 6 Squadron RAF |
| Squadron code EY | No. 233 Squadron RAF |
| Squadron code EY | No. 78 Squadron RAF |
| Squadron code EY | No. 80 Squadron RAF |
| Squadron code EZ | No. 1380 Conversion Unit RAF |
| Squadron code EZ | No. 241 Squadron RAF |
| Squadron code EZ | No. 81 Operational Training Unit RAF |
| Squadron code F | Air / Sea Warfare Development Unit |
| Squadron code F | No. 111 Operational Training Unit RAF |
| Squadron code F | No. 12 Squadron RAF |
| Squadron code F | No. 16 Squadron RAF |
| Squadron code F | No. 19 Flying Training School RAF |
| Squadron code F | No. 240 Operational Conversion Unit RAF |
| Squadron code F | No. 25 Squadron RAF |
| Squadron code F | No. 4 Flying Training School RAF |
| Squadron code F | No. 6 Flying Training School RAF |
| Squadron code F1 | P Flight 1 Anti-Aircraft Co-operation Unit |
| Squadron code F2 | No. 635 Squadron RAF |
| Squadron code F3 | No. 438 Squadron RCAF |
| Squadron code FA | No. 236 Squadron RAF |
| Squadron code FA | No. 281 Squadron RAF |
| Squadron code FAA | No. 19 Flying Training School RAF |
| Squadron code FAA | RAF College Flying Training School |
| Squadron code FAB | No. 19 Flying Training School RAF |
| Squadron code FAB | RAF College Flying Training School |
| Squadron code FAC | No. 19 Flying Training School RAF |
| Squadron code FAC | RAF College Flying Training School |
| Squadron code FAD | No. 19 Flying Training School RAF |
| Squadron code FAD | RAF College Flying Training School |
| Squadron code FAE | No. 19 Flying Training School RAF |
| Squadron code FAE | RAF College Flying Training School |
| Squadron code FAF | No. 19 Flying Training School RAF |
| Squadron code FAF | RAF College Flying Training School |
| Squadron code FAG | No. 19 Flying Training School RAF |
| Squadron code FAG | RAF College Flying Training School |
| Squadron code FAI | No. 2 Flying Training School RAF |
| Squadron code FAI | No. 20 Flying Training School RAF |
| Squadron code FAI | No. 20 Service Flying Training School |
| Squadron code FAJ | No. 2 Flying Training School RAF |
| Squadron code FAJ | No. 20 Flying Training School RAF |
| Squadron code FAJ | No. 20 Service Flying Training School |
| Squadron code FAK | No. 2 Flying Training School RAF |
| Squadron code FAK | No. 20 Flying Training School RAF |
| Squadron code FAK | No. 20 Service Flying Training School |
| Squadron code FAL | No. 2 Flying Training School RAF |
| Squadron code FAL | No. 20 Flying Training School RAF |
| Squadron code FAL | No. 20 Service Flying Training School |
| Squadron code FAM | No. 2 Flying Training School RAF |
| Squadron code FAM | No. 20 Flying Training School RAF |
| Squadron code FAM | No. 20 Service Flying Training School |
| Squadron code FAN | No. 21 Flying Training School RAF |
| Squadron code FAO | No. 21 Flying Training School RAF |
| Squadron code FAP | No. 21 Flying Training School RAF |
| Squadron code FAQ | No. 21 Flying Training School RAF |
| Squadron code FAS | No. 16 (Polish) Flying Training School |
| Squadron code FAT | No. 16 (Polish) Flying Training School |
| Squadron code FAU | No. 16 (Polish) Flying Training School |
| Squadron code FAV | No. 16 (Polish) Flying Training School |
| Squadron code FAW | No. 16 (Polish) Flying Training School |
| Squadron code FAX | No. 16 (Polish) Flying Training School |
| Squadron code FAY | No. 16 (Polish) Flying Training School |
| Squadron code FB | No. 24 Operational Training Unit RAF |
| Squadron code FB | No. 35 Squadron RAF |
| Squadron code FB | Washington Conversion Unit RAF |
| Squadron code FBA | No. 7 Flying Training School |
| Squadron code FBA | No. 7 Service Flying Training School |
| Squadron code FBB | No. 7 Flying Training School RAF |
| Squadron code FBB | No. 7 Service Flying Training School |
| Squadron code FBC | No. 7 Flying Training School RAF |
| Squadron code FBC | No. 7 Service Flying Training School |
| Squadron code FBD | No. 7 Flying Training School RAF |
| Squadron code FBD | No. 7 Service Flying Training School |
| Squadron code FBE | No. 7 Flying Training School RAF |
| Squadron code FBE | No. 7 Service Flying Training School |
| Squadron code FBG | No. 6 Flying Training School RAF |
| Squadron code FBG | No. 6 Service Flying Training School |
| Squadron code FBH | No. 6 Flying Training School RAF |
| Squadron code FBH | No. 6 Service Flying Training School |
| Squadron code FBI | No. 6 Flying Training School RAF |
| Squadron code FBI | No. 6 Service Flying Training School |
| Squadron code FBJ | No. 6 Flying Training School RAF |
| Squadron code FBJ | No. 6 Service Flying Training School |
| Squadron code FBK | No. 6 Flying Training School RAF |
| Squadron code FBK | No. 6 Service Flying Training School |
| Squadron code FBL | No. 6 Flying Training School RAF |
| Squadron code FBL | No. 6 Service Flying Training School |
| Squadron code FBM | No. 6 Flying Training School RAF |
| Squadron code FBM | No. 6 Service Flying Training School |
| Squadron code FBN | No. 6 Flying Training School RAF |
| Squadron code FBN | No. 6 Service Flying Training School |
| Squadron code FBP | No. 3 Flying Training School RAF |
| Squadron code FBP | No. 3 Service Flying Training School |
| Squadron code FBQ | No. 3 Flying Training School RAF |
| Squadron code FBQ | No. 3 Service Flying Training School |
| Squadron code FBR | No. 3 Flying Training School RAF |
| Squadron code FBR | No. 3 Service Flying Training School |
| Squadron code FBS | No. 3 Flying Training School RAF |
| Squadron code FBS | No. 3 Service Flying Training School |
| Squadron code FBT | No. 3 Flying Training School RAF |
| Squadron code FBT | No. 3 Service Flying Training School |
| Squadron code FBU | No. 3 Flying Training School RAF |
| Squadron code FBU | No. 3 Service Flying Training School |
| Squadron code FBV | No. 3 Flying Training School RAF |
| Squadron code FBV | No. 3 Service Flying Training School |
| Squadron code FBW | No. 3 Flying Training School RAF |
| Squadron code FBW | No. 3 Service Flying Training School |
| Squadron code FBX | No. 3 Flying Training School RAF |
| Squadron code FBX | No. 3 Service Flying Training School |
| Squadron code FC | Station Flight?RAF Kenley |
| Squadron code FCA | No. 1 Flying Training School RAF |
| Squadron code FCA | No. 17 Flying Training School RAF |
| Squadron code FCA | No. 17 Service Flying Training School |
| Squadron code FCB | No. 1 Flying Training School RAF |
| Squadron code FCB | No. 17 Flying Training School RAF |
| Squadron code FCB | No. 17 Service Flying Training School |
| Squadron code FCC | No. 1 Flying Training School RAF |
| Squadron code FCC | No. 17 Flying Training School RAF |
| Squadron code FCC | No. 17 Service Flying Training School |
| Squadron code FCD | No. 1 Flying Training School RAF |
| Squadron code FCD | No. 17 Flying Training School RAF |
| Squadron code FCD | No. 17 Service Flying Training School |
| Squadron code FCE | No. 1 Flying Training School RAF |
| Squadron code FCE | No. 17 Flying Training School RAF |
| Squadron code FCE | No. 17 Service Flying Training School |
| Squadron code FCF | No. 1 Flying Training School RAF |
| Squadron code FCF | No. 17 Flying Training School RAF |
| Squadron code FCF | No. 17 Service Flying Training School |
| Squadron code FCG | No. 1 Flying Training School RAF |
| Squadron code FCG | No. 17 Flying Training School RAF |
| Squadron code FCG | No. 17 Service Flying Training School |
| Squadron code FCI | No. 22 Flying Training School RAF |
| Squadron code FCI | No. 22 Service Flying Training School |
| Squadron code FCJ | No. 22 Flying Training School RAF |
| Squadron code FCJ | No. 22 Service Flying Training School |
| Squadron code FCK | No. 22 Flying Training School RAF |
| Squadron code FCK | No. 22 Service Flying Training School |
| Squadron code FCL | No. 22 Flying Training School RAF |
| Squadron code FCL | No. 22 Service Flying Training School |
| Squadron code FCM | No. 22 Flying Training School RAF |
| Squadron code FCM | No. 22 Service Flying Training School |
| Squadron code FCT | Empire Central Flying School |
| Squadron code FCT | Empire Flying School |
| Squadron code FCT | RAF Flying College |
| Squadron code FCU | Empire Central Flying School |
| Squadron code FCU | Empire Flying School |
| Squadron code FCU | RAF Flying College |
| Squadron code FCV | Empire Central Flying School |
| Squadron code FCV | Empire Flying School |
| Squadron code FCV | RAF Flying College |
| Squadron code FCW | Empire Central Flying School |
| Squadron code FCW | Empire Flying School |
| Squadron code FCW | RAF Flying College |
| Squadron code FCX | Empire Central Flying School |
| Squadron code FCX | Empire Flying School |
| Squadron code FCX | RAF Flying College |
| Squadron code FD | No. 114 Squadron RAF |
| Squadron code FD | No. 1659 Conversion Unit RAF |
| Squadron code FDA | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDA | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDA | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDB | No. 1 Flying Training School RAF |
| Squadron code FDB | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDB | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDC | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDC | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDC | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDD | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDD | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDD | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDE | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDE | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDE | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDF | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDF | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDF | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDG | No. 1 (Pilot Refresher) Flying Unit |
| Squadron code FDG | No. 21 (Pilot Refresher) Flying School |
| Squadron code FDG | No. 21 (Pilot) Advanced Flying Unit |
| Squadron code FDI | Central Flying School |
| Squadron code FDJ | Central Flying School |
| Squadron code FDK | Central Flying School |
| Squadron code FDL | Central Flying School |
| Squadron code FDM | Central Flying School |
| Squadron code FDN | Central Flying School |
| Squadron code FDO | Central Flying School |
| Squadron code FDQ | No. 10 Flying Instructors School |
| Squadron code FDQ | No. 8 Elementary Flying Training School |
| Squadron code FDR | No. 10 Flying Instructors School |
| Squadron code FDR | No. 8 Elementary Flying Training School |
| Squadron code FDS | No. 10 Flying Instructors School |
| Squadron code FDS | No. 8 Elementary Flying Training School |
| Squadron code FDT | No. 10 Flying Instructors School |
| Squadron code FDT | No. 8 Elementary Flying Training School |
| Squadron code FDU | Beam Approach School |
| Squadron code FDV | Beam Approach School |
| Squadron code FDW | Beam Approach School |
| Squadron code FDW | Central Flying School |
| Squadron code FDX | Beam Approach School |
| Squadron code FDY | Airfield Controllers School |
| Squadron code FDY | School of Air Traffic Control |
| Squadron code FDY | School of Flying Control |
| Squadron code FE | No. 56 Operational Training Unit RAF |
| Squadron code FE | No. 644 Squadron RAF |
| Squadron code FEA | No. 1 Glider Training School |
| Squadron code FED | No. 1 Glider Training School |
| Squadron code FEE | No. 1 Glider Training School |
| Squadron code FEG | No. 3 Glider Training School |
| Squadron code FEH | No. 3 Glider Training School |
| Squadron code FEI | No. 3 Glider Training School |
| Squadron code FEJ | No. 3 Glider Training School |
| Squadron code FEK | No. 3 Glider Training School |
| Squadron code FEL | No. 3 Glider Training School |
| Squadron code FEM | No. 3 Glider Training School |
| Squadron code FEN | No. 3 Glider Training School |
| Squadron code FEP | No. 21 Heavy Glider Conversion Unit RAF |
| Squadron code FEQ | No. 21 Heavy Glider Conversion Unit RAF |
| Squadron code FER | No. 21 Heavy Glider Conversion Unit RAF |
| Squadron code FES | No. 21 Heavy Glider Conversion Unit RAF |
| Squadron code FET | No. 21 Heavy Glider Conversion Unit RAF |
| Squadron code FF | No. 132 Squadron RAF |
| Squadron code FF | No. 251 Squadron RAF |
| Squadron code FFA | No. 10 Air Gunnery School |
| Squadron code FFB | No. 10 Air Gunnery School |
| Squadron code FFC | No. 10 Air Gunnery School |
| Squadron code FFD | No. 10 Air Gunnery School |
| Squadron code FFE | No. 11 Air Gunnery School |
| Squadron code FFF | No. 11 Air Gunnery School |
| Squadron code FFG | No. 11 Air Gunnery School |
| Squadron code FFI | No. 1 Air Navigation School |
| Squadron code FFI | No. 5 Air Navigation School |
| Squadron code FFJ | No. 1 Air Navigation School |
| Squadron code FFJ | No. 5 Air Navigation School |
| Squadron code FFK | No. 1 Air Navigation School |
| Squadron code FFK | No. 5 Air Navigation School |
| Squadron code FFM | No. 2 Air Navigation School |
| Squadron code FFM | No. 7 Air Navigation School |
| Squadron code FFN | No. 2 Air Navigation School |
| Squadron code FFN | No. 7 Air Navigation School |
| Squadron code FFO | No. 2 Air Navigation School |
| Squadron code FFO | No. 7 Air Navigation School |
| Squadron code FFP | No. 2 Air Navigation School |
| Squadron code FFP | No. 7 Air Navigation School |
| Squadron code FFR | No. 10 Air Navigation School |
| Squadron code FFS | No. 10 Air Navigation School |
| Squadron code FFT | No. 10 Air Navigation School |
| Squadron code FFU | No. 10 Air Navigation School |
| Squadron code FG | No. 335 Squadron RAF |
| Squadron code FG | No. 72 Squadron RAF |
| Squadron code FGA | Empire Air Armament School |
| Squadron code FGA | RAF Flying College |
| Squadron code FGB | Empire Air Armament School |
| Squadron code FGB | RAF Flying College |
| Squadron code FGC | Empire Air Armament School |
| Squadron code FGC | RAF Flying College |
| Squadron code FGE | Central Navigation and Control School |
| Squadron code FGE | Central Navigation School |
| Squadron code FGE | Empire Air Navigation School |
| Squadron code FGF | Central Navigation and Control School |
| Squadron code FGF | Central Navigation School |
| Squadron code FGF | Empire Air Navigation School |
| Squadron code FGG | Central Navigation and Control School |
| Squadron code FGG | Central Navigation School |
| Squadron code FGG | Empire Air Navigation School |
| Squadron code FGI | Aeroplane & Armament Experimental Establishment |
| Squadron code FGJ | Aeroplane & Armament Experimental Establishment |
| Squadron code FGK | Aeroplane & Armament Experimental Establishment |
| Squadron code FGL | Aeroplane & Armament Experimental Establishment |
| Squadron code FGM | Aeroplane & Armament Experimental Establishment |
| Squadron code FGN | Aeroplane & Armament Experimental Establishment |
| Squadron code FGP | Empire Test Pilots School |
| Squadron code FGQ | Empire Test Pilots School |
| Squadron code FGR | Empire Test Pilots School |
| Squadron code FGT | Airborne Forces Experimental Establishment |
| Squadron code FGU | Airborne Forces Experimental Establishment |
| Squadron code FGV | Airborne Forces Experimental Establishment |
| Squadron code FGW | Airborne Forces Experimental Establishment |
| Squadron code FGX | Airborne Forces Experimental Establishment |
| Squadron code FH | No. 15 Operational Training Unit RAF |
| Squadron code FH | No. 258 Squadron RAF |
| Squadron code FH | No. 53 Squadron RAF |
| Squadron code FHA | No. 1 Elementary Flying Training School |
| Squadron code FHB | No. 1 Elementary Flying Training School |
| Squadron code FHC | No. 1 Elementary Flying Training School |
| Squadron code FHE | No. 2 Elementary Flying Training School |
| Squadron code FHF | No. 2 Elementary Flying Training School |
| Squadron code FHG | No. 2 Elementary Flying Training School |
| Squadron code FHI | No. 3 Elementary Flying Training School |
| Squadron code FHJ | No. 3 Elementary Flying Training School |
| Squadron code FHK | No. 3 Elementary Flying Training School |
| Squadron code FHM | No. 4 Elementary Flying Training School |
| Squadron code FHN | No. 4 Elementary Flying Training School |
| Squadron code FHO | No. 4 Elementary Flying Training School |
| Squadron code FHQ | No. 6 Elementary Flying Training School |
| Squadron code FHR | No. 6 Elementary Flying Training School |
| Squadron code FHS | No. 6 Elementary Flying Training School |
| Squadron code FHT | No. 6 Elementary Flying Training School |
| Squadron code FHV | No. 7 Elementary Flying Training School |
| Squadron code FHW | No. 7 Elementary Flying Training School |
| Squadron code FHX | No. 7 Elementary Flying Training School |
| Squadron code FHY | No. 7 Elementary Flying Training School |
| Squadron code FI | No. 1686 Flight RAF |
| Squadron code FI | No. 83 Operational Training Unit RAF |
| Squadron code FI | Warwick Training Unit |
| Squadron code FIA | No. 11 Elementary Flying Training School |
| Squadron code FIB | No. 11 Elementary Flying Training School |
| Squadron code FIC | No. 11 Elementary Flying Training School |
| Squadron code FID | No. 11 Elementary Flying Training School |
| Squadron code FIJ | No. 15 Elementary Flying Training School |
| Squadron code FIK | No. 15 Elementary Flying Training School |
| Squadron code FIL | No. 15 Elementary Flying Training School |
| Squadron code FIN | No. 16 Elementary Flying Training School |
| Squadron code FIO | No. 16 Elementary Flying Training School |
| Squadron code FIP | No. 16 Elementary Flying Training School |
| Squadron code FIR | No. 17 Elementary Flying Training School |
| Squadron code FIS | No. 17 Elementary Flying Training School |
| Squadron code FIT | No. 17 Elementary Flying Training School |
| Squadron code FIV | No. 21 Elementary Flying Training School |
| Squadron code FIW | No. 21 Elementary Flying Training School |
| Squadron code FIX | No. 21 Elementary Flying Training School |
| Squadron code FIY | No. 21 Elementary Flying Training School |
| Squadron code FJ | No. 164 Squadron RAF |
| Squadron code FJ | No. 261 Squadron RAF |
| Squadron code FJ | No. 37 Squadron RAF |
| Squadron code FJA | No. 22 Elementary Flying Training School |
| Squadron code FJB | No. 22 Elementary Flying Training School |
| Squadron code FJC | No. 22 Elementary Flying Training School |
| Squadron code FJD | No. 22 Elementary Flying Training School |
| Squadron code FJF | No. 24 Elementary Flying Training School |
| Squadron code FJG | No. 24 Elementary Flying Training School |
| Squadron code FJH | No. 24 Elementary Flying Training School |
| Squadron code FJJ | No. 28 Elementary Flying Training School |
| Squadron code FJK | No. 28 Elementary Flying Training School |
| Squadron code FJL | No. 28 Elementary Flying Training School |
| Squadron code FJN | No. 29 Elementary Flying Training School |
| Squadron code FJO | No. 29 Elementary Flying Training School |
| Squadron code FJP | No. 29 Elementary Flying Training School |
| Squadron code FJQ | No. 29 Elementary Flying Training School |
| Squadron code FJR | Central Gunnery School |
| Squadron code FJS | Central Gunnery School |
| Squadron code FJT | Central Gunnery School |
| Squadron code FJU | Central Gunnery School |
| Squadron code FJV | Central Gunnery School |
| Squadron code FJW | Central Gunnery School |
| Squadron code FJX | Central Gunnery School |
| Squadron code FK | No. 134 Squadron RAF |
| Squadron code FK | No. 209 Squadron RAF |
| Squadron code FK | No. 219 Squadron RAF |
| Squadron code FKA | No. 1511 Beam Approach Training Flight |
| Squadron code FKB | No. 1511 Beam Approach Training Flight |
| Squadron code FKD | No. 1537 Beam Approach Training Flight |
| Squadron code FKF | No. 1547 Beam Approach Training Flight |
| Squadron code FKN | Flying Training Command Communication Flight |
| Squadron code FKO | No. 21 Group Communication Flight |
| Squadron code FKP | No. 23 Group Communication Flight |
| Squadron code FKQ | No. 25 Group Communication Flight |
| Squadron code FKR | No. 54 Group Communication Flight |
| Squadron code FKS | Station Flight?RAF Cranwell |
| Squadron code FL | No. 155 Squadron RAF |
| Squadron code FL | No. 81 Squadron RAF |
| Squadron code FLA | Cambridge University Air Squadron |
| Squadron code FLB | Aberdeen University Air Squadron |
| Squadron code FLC | Edinburgh University Air Squadron |
| Squadron code FLD | Glasgow University Air Squadron |
| Squadron code FLE | Queens University Air Squadron |
| Squadron code FLF | St. Andrews University Air Squadron |
| Squadron code FLG | Liverpool University Air Squadron |
| Squadron code FLH | Manchester University Air Squadron |
| Squadron code FLI | Leeds University Air Squadron |
| Squadron code FLJ | Durham University Air Squadron |
| Squadron code FLK | Birmingham University Air Squadron |
| Squadron code FLL | Nottingham University Air Squadron |
| Squadron code FLM | Bristol University Air Squadron |
| Squadron code FLN | Swansea University Air Squadron |
| Squadron code FLO | London University Air Squadron |
| Squadron code FLO | University of London Air Squadron |
| Squadron code FLP | Southampton University Air Squadron |
| Squadron code FLQ | Oxford University Air Squadron |
| Squadron code FLR | Perth University Air Squadron |
| Squadron code FLS | Wolverhampton University Air Squadron |
| Squadron code FLT | Derby University Air Squadron |
| Squadron code FLU | Yatesbury University Air Squadron |
| Squadron code FLV | Cambridge University Air Squadron |
| Squadron code FM | No. 238 Squadron RAF |
| Squadron code FM | No. 257 Squadron RAF |
| Squadron code FM | No. 518 Squadron RAF |
| Squadron code FMA | No. 201 Advanced Flying School |
| Squadron code FMB | No. 201 Advanced Flying School |
| Squadron code FMC | No. 201 Advanced Flying School |
| Squadron code FME | No. 202 Advanced Flying School |
| Squadron code FMF | No. 202 Advanced Flying School |
| Squadron code FMG | No. 202 Advanced Flying School |
| Squadron code FMI | No. 203 Advanced Flying School |
| Squadron code FMJ | No. 203 Advanced Flying School |
| Squadron code FMK | No. 203 Advanced Flying School |
| Squadron code FMO | No. 204 Advanced Flying School |
| Squadron code FN | No. 125 Squadron RAF |
| Squadron code FN | No. 331 (Norwegian) Squadron RAF |
| Squadron code FO | No. 1665 Conversion Unit RAF |
| Squadron code FO | No. 75 Squadron RAF |
| Squadron code FO | Station Flight?RAF Wick |
| Squadron code FP | No. 1683 Flight RAF |
| Squadron code FQ | No. 12 Operational Training Unit RAF |
| Squadron code FR | No. 303 (Polish) Squadron RAF |
| Squadron code FR | No. 348 Squadron RAF |
| Squadron code FR | Station Flight?RAF Manston |
| Squadron code FS | No. 148 Squadron RAF |
| Squadron code FS | No. 506 Squadron RAF |
| Squadron code FT | No. 290 Squadron RAF |
| Squadron code FT | No. 43 Squadron RAF |
| Squadron code FT | Station Flight?RAF Mildenhall |
| Squadron code FU | No. 453 Squadron RAAF |
| Squadron code FV | No. 13 Operational Training Unit RAF |
| Squadron code FV | No. 205 Squadron RAF |
| Squadron code FV | No. 230 Squadron RAF |
| Squadron code FW | No. 194 Squadron RAF |
| Squadron code FW | Station Flight?RAF Rivenhall |
| Squadron code FX | No. 234 Squadron RAF |
| Squadron code FX | No. 266 Squadron RAF |
| Squadron code FX | No. 34 Operational Training Unit RAF |
| Squadron code FX | No. 6 Squadron RAAF |
| Squadron code FY | No. 34 Operational Training Unit RAF |
| Squadron code FY | No. 4 Squadron RAF |
| Squadron code FY | No. 611 Squadron RAF |
| Squadron code FZ | No. 23 Operational Training Unit RAF |
| Squadron code FZ | No. 65 Squadron RAF |
| Squadron code FZ | No. 94 Squadron RAF |
| Squadron code G | Joint Anti-Submarine School Flight |
| Squadron code G | No. 19 Flying Training School RAF |
| Squadron code G | No. 2 Flying Training School RAF |
| Squadron code G | No. 20 Squadron RAF |
| Squadron code G | No. 4 Flying Training School RAF |
| Squadron code G | No. 43 Squadron RAF |
| Squadron code G | No. 5 Flying Training School RAF |
| Squadron code G | No. 54 Squadron RAF |
| Squadron code G | No. 6 Flying Training School RAF |
| Squadron code G | No. 81 Squadron RAF |
| Squadron code G2 | No. 19 Group Communication Flight |
| Squadron code G4 | Station Flight?RAF Skellingthorpe |
| Squadron code G7 | Bomber Command Film Unit |
| Squadron code G8 | Station Flight?RAF Wing |
| Squadron code G9 | No. 430 Squadron RCAF |
| Squadron code GA | No. 112 Squadron RAF |
| Squadron code GA | No. 16 Operational Training Unit RAF |
| Squadron code GA | No. 208 Squadron RAF |
| Squadron code GA | No. 21 Squadron RAAF |
| Squadron code GB | No. 100 Squadron RAF |
| Squadron code GB | No. 105 Squadron RAF |
| Squadron code GB | No. 166 Squadron RAF |
| Squadron code GB | No. 83 Squadron RAF |
| Squadron code GB | No. 97 Squadron RAF |
| Squadron code GC | Station Flight?RAF Pershore |
| Squadron code GD | Station Flight?RAF Horsham St Faith |
| Squadron code GE | No. 349 (Belgian) Squadron RAF |
| Squadron code GE | No. 58 Squadron RAF |
| Squadron code GF | No. 1 Tactical Exercise Unit |
| Squadron code GF | No. 56 Operational Training Unit RAF |
| Squadron code GG | No. 151 Squadron RAF |
| Squadron code GG | No. 1667 Conversion Unit RAF |
| Squadron code GH | No. 285 Squadron RAF |
| Squadron code GI | No. 622 Squadron RAF |
| Squadron code GK | No. 459 Squadron RAAF |
| Squadron code GK | No. 52 Operational Training Unit RAF |
| Squadron code GK | No. 80 Squadron RAF |
| Squadron code GL | No. 14 Operational Training Unit RAF |
| Squadron code GL | No. 1529 Flight RAF |
| Squadron code GL | 5 Squadron SAAF |
| Squadron code GL | No. 175 Squadron RAF |
| Squadron code GL | No. 185 Squadron RAF |
| Squadron code GL | Station Flight?RAF Duxford |
| Squadron code GM | No. 55 Squadron RAF |
| Squadron code GM | No. 74 Squadron RAF |
| Squadron code GN | Central Bomber Establishment |
| Squadron code GN | No. 249 Squadron RAF |
| Squadron code GN | No. 323 Squadron RAF |
| Squadron code GO | Central Fighter Establishment |
| Squadron code GO | No. 135 Squadron RAF |
| Squadron code GO | No. 94 Squadron RAF |
| Squadron code GP | No. 1661 Conversion Unit RAF |
| Squadron code GP | No. 187 Squadron RAF |
| Squadron code GQ | No. 134 Squadron RAF |
| Squadron code GQ | Station Flight?RAF North Killingholme |
| Squadron code GR | No. 1586 Flight RAF |
| Squadron code GR | No. 301 (Polish) Squadron RAF |
| Squadron code GR | No. 92 Squadron RAF |
| Squadron code GS | No. 190 Squadron RAF |
| Squadron code GS | No. 297 Squadron RAF |
| Squadron code GS | No. 330 Squadron RAF |
| Squadron code GS | No. 83 Operational Training Unit RAF |
| Squadron code GT | No. 156 Squadron RAF |
| Squadron code GT | No. 344 Squadron RAF |
| Squadron code GU | No. 18 Squadron RAF |
| Squadron code GV | No. 103 Squadron RAF |
| Squadron code GV | No. 1652 Conversion Unit RAF |
| Squadron code GW | No. 252 Squadron RAF |
| Squadron code GW | No. 340 (French) Squadron RAF |
| Squadron code GX | No. 415 Squadron RCAF |
| Squadron code GX | No. 507 Squadron RAF |
| Squadron code GX | Station Flight?RAF Broadwell |
| Squadron code GY | No. 109 (Transport) Operational Training Unit RAF |
| Squadron code GY | No. 1383 Conversion Unit RAF |
| Squadron code GZ | No. 12 Squadron RAF |
| Squadron code GZ | No. 32 Squadron RAF |
| Squadron code GZ | No. 611 Squadron RAF |
| Squadron code H | No. 111 Squadron RAF |
| Squadron code H | No. 1340 Flight RAF |
| Squadron code H | No. 19 Flying Training School RAF |
| Squadron code H | No. 4 Flying Training School RAF |
| Squadron code H | No. 5 (Pilot) Advanced Flying Unit |
| Squadron code H | School of Maritime Reconnaissance |
| Squadron code H7 | No. 346 (French) Squadron RAF |
| Squadron code H8 | No. 42 (Belgian) Squadron RAF |
| Squadron code H9 | Station Flight?RAF Shepherds Grove |
| Squadron code HA | No. 218 Squadron RAF |
| Squadron code HA | No. 649 Squadron RAF |
| Squadron code HB | No. 229 Squadron RAF |
| Squadron code HB | No. 239 Squadron RAF |
| Squadron code HC | No. 512 Squadron RAF |
| Squadron code HD | No. 311 Squadron RAF |
| Squadron code HD | No. 38 Squadron RAF |
| Squadron code HD | No. 466 Squadron RAAF |
| Squadron code HE | No. 263 Squadron RAF |
| Squadron code HE | No. 605 Squadron RAF |
| Squadron code HF | No. 127 Squadron RAF |
| Squadron code HF | No. 183 Squadron RAF |
| Squadron code HF | No. 54 Squadron RAF |
| Squadron code HG | No. 154 Squadron RAF |
| Squadron code HG | No. 332 Squadron RAF |
| Squadron code HH | No. 175 Squadron RAF |
| Squadron code HH | No. 273 Squadron RAF |
| Squadron code HI | No. 63 Operational Training Unit RAF |
| Squadron code HI | No. 66 Squadron RAF |
| Squadron code HJ | No. 254 Squadron RAF |
| Squadron code HK | Fighter Leaders School |
| Squadron code HK | No. 269 Squadron RAF |
| Squadron code HK | No. 306 Squadron RAF |
| Squadron code HL | No. 26 Squadron RAF |
| Squadron code HL | Station Flight?RAF Gransden Lodge |
| Squadron code HM | No. 136 Squadron RAF |
| Squadron code HM | No. 1667 Flight RAF |
| Squadron code HN | No. 20 Squadron RAF |
| Squadron code HN | No. 93 Squadron RAF |
| Squadron code HP | Gunnery Research Unit |
| Squadron code HP | No. 247 Squadron RAF |
| Squadron code HP | Station Flight?RAF Full Sutton |
| Squadron code HQ | No. 56 Operational Training Unit RAF |
| Squadron code HQ | No. 91 Squadron RAF |
| Squadron code HR | North-East Sector Communication Flight |
| Squadron code HS | No. 109 Squadron RAF |
| Squadron code HS | No. 170 Squadron RAF |
| Squadron code HS | No. 260 Squadron RAF |
| Squadron code HT | No. 154 Squadron RAF |
| Squadron code HT | No. 158 Squadron RAF |
| Squadron code HT | No. 601 Squadron RAF |
| Squadron code HU | No. 220 Squadron RAF |
| Squadron code HU | No. 406 Squadron RCAF |
| Squadron code HV | No. 73 Squadron RAF |
| Squadron code HV | No. 8 Squadron RAF |
| Squadron code HV | Station Flight?RAF East Kirkby |
| Squadron code HW | No. 100 Squadron RAF |
| Squadron code HX | No. 203 Advanced Flying School |
| Squadron code HX | No. 226 Operational Conversion Unit RAF |
| Squadron code HX | No. 295 Squadron RAF |
| Squadron code HX | No. 61 Operational Training Unit RAF |
| Squadron code HY | No. 88 Squadron RAF |
| Squadron code HZ | No. 44 Group Communication Flight |
| Squadron code I | Central Flying School |
| Squadron code I2 | No. 48 Squadron RAF |
| Squadron code I4 | No. 567 Squadron RAF |
| Squadron code I5 | No. 105 Operational Training Unit RAF |
| Squadron code I5 | No. 1381 Conversion Unit RAF |
| Squadron code I6 | No. 32 Maintenance Unit RAF |
| Squadron code I8 | No. 440 Squadron RCAF |
| Squadron code I9 | No. 575 Squadron RAF |
| Squadron code IA | Station Flight?RAF Syerston |
| Squadron code IB | Glider pick-up Training Flight |
| Squadron code IB | No. 43 Group Communication Flight |
| Squadron code IC | No. 623 Squadron RAF |
| Squadron code IF | No. 84 Operational Training Unit RAF |
| Squadron code II | No. 116 Squadron RAF |
| Squadron code II | No. 59 Operational Training Unit RAF |
| Squadron code IK | Bomber Command Instructors School |
| Squadron code IL | No. 115 Squadron RAF |
| Squadron code IN | Station Flight?RAF Valley |
| Squadron code IP | Bomber Command Instructors School |
| Squadron code IQ | No. 150 Squadron RAF |
| Squadron code IS | No. 2 (Belgian) Squadron RAF |
| Squadron code IV | Station Flight?RAF Upper Heyford |
| Squadron code IW | Station Flight?RAF Chilbolton |
| Squadron code IY | Station Flight?RAF Dunsfold |
| Squadron code J | No. 111 Operational Training Unit RAF |
| Squadron code J | No. 26 Squadron RAF |
| Squadron code J | No. 27 Squadron RAF |
| Squadron code J | RAF College Flying Training School |
| Squadron code J5 | No. 3 Squadron RAF |
| Squadron code J6 | No. 1521 Flight RAF |
| Squadron code J7 | No. 8 Maintenance Unit RAF |
| Squadron code J8 | No. 24 Maintenance Unit RAF |
| Squadron code J9 | No. 1668 Conversion Unit RAF |
| Squadron code JA | No. 1652 Conversion Unit RAF |
| Squadron code JB | No. 1380 Conversion Unit RAF |
| Squadron code JB | No. 190 Squadron RAF |
| Squadron code JB | No. 81 Operational Training Unit RAF |
| Squadron code JC | No. 11 Group Communication Flight |
| Squadron code JD | Station Flight?RAF Grimsetter |
| Squadron code JE | No. 195 Squadron RAF |
| Squadron code JE | No. 610 Squadron RAF |
| Squadron code JF | No. 1654 Conversion Unit RAF |
| Squadron code JF | No. 3 Squadron RAF |
| Squadron code JG | No. 17 Operational Training Unit RAF |
| Squadron code JH | No. 303 (Polish) Squadron RAF |
| Squadron code JH | No. 317 Squadron RAF |
| Squadron code JH | No. 74 Squadron RAF |
| Squadron code JI | No. 514 Squadron RAF |
| Squadron code JJ | No. 160 Squadron RAF |
| Squadron code JJ | No. 274 Squadron RAF |
| Squadron code JL | No. 10 Operational Training Unit RAF |
| Squadron code JL | No. 520 Squadron RAF |
| Squadron code JM | No. 184 Squadron RAF |
| Squadron code JM | No. 20 Operational Training Unit RAF |
| Squadron code JM | No. 32 Squadron RAAF |
| Squadron code JN | No. 150 Squadron RAF |
| Squadron code JN | No. 268 Squadron RAF |
| Squadron code JN | No. 30 Squadron RAF |
| Squadron code JN | No. 75 Squadron RAF |
| Squadron code JO | No. 463 Squadron RAAF |
| Squadron code JO | No. 62 Squadron RAF |
| Squadron code JP | No. 12 Operational Training Unit RAF |
| Squadron code JP | No. 21 Squadron RAF |
| Squadron code JQ | No. 169 Squadron RAF |
| Squadron code JQ | No. 2 Anti-aircraft Co-operation Unit |
| Squadron code JQ | Station Flight?RAF Breighton |
| Squadron code JR | No. 161 Squadron RAF |
| Squadron code JS | No. 16 Operational Training Unit RAF |
| Squadron code JS | No. 321 Squadron RAF |
| Squadron code JT | No. 182 Squadron RAF |
| Squadron code JT | No. 256 Squadron RAF |
| Squadron code JU | No. 111 Squadron RAF |
| Squadron code JU | No. 202 Squadron RAF |
| Squadron code JV | No. 283 Squadron RAF |
| Squadron code JV | No. 6 Squadron RAF |
| Squadron code JV | Station Flight?RAF Finningley |
| Squadron code JW | Central Fighter Establishment |
| Squadron code JW | No. 44 Squadron RAF |
| Squadron code JX | No. 1 Squadron RAF |
| Squadron code JY | No. 121 Squadron RAF |
| Squadron code JZ | No. 57 Operational Training Unit RAF |
| Squadron code K | Central Flying School |
| Squadron code K | No. 1 Flying Training School RAF |
| Squadron code K1 | K Flight 1 Anti-Aircraft Co-operation Unit |
| Squadron code K2 | No. 2 Group Communication Flight |
| Squadron code K5 | Station Flight?RAF Pocklington |
| Squadron code K7 | No. 236 Operational Conversion Unit RAF |
| Squadron code K7 | No. 6 Operational Training Unit RAF |
| Squadron code K8 | Station Flight?RAF Wymeswold |
| Squadron code K9 | Station Flight?RAF Tain |
| Squadron code KA | No. 1685 Flight RAF |
| Squadron code KA | No. 9 Squadron RAF |
| Squadron code KB | No. 142 Squadron RAF |
| Squadron code KB | No. 1661 Conversion Unit RAF |
| Squadron code KC | No. 238 Squadron RAF |
| Squadron code KC | No. 617 Squadron RAF |
| Squadron code KD | No. 154 Squadron RAF |
| Squadron code KD | No. 226 Operational Conversion Unit RAF |
| Squadron code KD | No. 30 Operational Training Unit RAF |
| Squadron code KE | Merchant Ship Flying Unit |
| Squadron code KE | No. 330 Squadron RAF |
| Squadron code KF | No. 1662 Conversion Unit RAF |
| Squadron code KF | No. 645 Squadron RAF |
| Squadron code KG | No. 1380 Conversion Unit RAF |
| Squadron code KG | No. 196 Squadron RAF |
| Squadron code KG | No. 204 Squadron RAF |
| Squadron code KG | No. 81 Operational Training Unit RAF |
| Squadron code KH | No. 11 Operational Training Unit RAF |
| Squadron code KH | No. 403 Squadron RCAF |
| Squadron code KI | Station Flight?RAF Coningsby |
| Squadron code KJ | No. 11 Operational Training Unit RAF |
| Squadron code KJ | No. 16 Squadron RAF |
| Squadron code KJ | 4 Squadron SAAF |
| Squadron code KK | No. 15 Operational Training Unit RAF |
| Squadron code KK | No. 333 Squadron RAF |
| Squadron code KK | No. 624 Squadron RAF |
| Squadron code KL | No. 269 Squadron RAF |
| Squadron code KL | No. 54 Squadron RAF |
| Squadron code KM | No. 205 Squadron RAF |
| Squadron code KM | No. 44 Squadron RAF |
| Squadron code KN | No. 339 Squadron RAF |
| Squadron code KN | No. 77 Squadron RAF |
| Squadron code KO | No. 115 Squadron RAF |
| Squadron code KO | No. 2 Squadron RAAF |
| Squadron code KP | No. 226 Squadron RAF |
| Squadron code KP | No. 409 Squadron RCAF |
| Squadron code KQ | No. 13 Operational Training Unit RAF |
| Squadron code KQ | No. 502 Squadron RAF |
| Squadron code KR | No. 1667 Conversion Unit RAF |
| Squadron code KR | No. 226 Operational Conversion Unit RAF |
| Squadron code KR | No. 231 Squadron RAF |
| Squadron code KR | No. 61 Operational Training Unit RAF |
| Squadron code KS | Station Flight?RAF Tarrant Rushton |
| Squadron code KT | No. 32 Squadron RAF |
| Squadron code KT | No. 54 Squadron RAF |
| Squadron code KT | No. 7 Squadron RAAF |
| Squadron code KU | No. 265 Squadron RAF |
| Squadron code KU | No. 47 Squadron RAF |
| Squadron code KU | No. 53 Operational Training Unit RAF |
| Squadron code KV | No. 264 Squadron RAF |
| Squadron code KV | No. 619 Squadron RAF |
| Squadron code KW | No. 267 Squadron RAF |
| Squadron code KW | No. 312 Squadron RAF |
| Squadron code KW | No. 425 Squadron RCAF |
| Squadron code KW | No. 615 Squadron RAF |
| Squadron code KX | No. 1448 Flight RAF |
| Squadron code KX | No. 311 Squadron RAF |
| Squadron code KX | No. 529 Squadron RAF |
| Squadron code KX | No. 639 Squadron RAF |
| Squadron code KY | No. 162 Squadron RAF |
| Squadron code KY | No. 242 Squadron RAF |
| Squadron code KZ | No. 287 Squadron RAF |
| Squadron code KZ | No. 296 Squadron RAF |
| Squadron code L-Z | No. 421 Flight RAF |
| Squadron code L4 | No. 27 Maintenance Unit RAF |
| Squadron code L5 | No. 297 Squadron RAF |
| Squadron code L6 | No. 1669 Conversion Unit RAF |
| Squadron code L7 | No. 271 Squadron RAF |
| Squadron code L8 | No. 347 Squadron RAF |
| Squadron code L9 | No. 190 Squadron RAF |
| Squadron code LA | No. 235 Squadron RAF |
| Squadron code LA | No. 607 Squadron RAF |
| Squadron code LB | No. 28 Operational Training Unit RAF |
| Squadron code LB | No. 34 Squadron RAF |
| Squadron code LC | Station Flight?RAF Feltwell |
| Squadron code LD | No. 108 Squadron RAF |
| Squadron code LD | No. 117 Squadron RAF |
| Squadron code LD | No. 250 Squadron RAF |
| Squadron code LD | No. 331 Squadron RAF |
| Squadron code LE | No. 242 Squadron RAF |
| Squadron code LE | No. 40 Squadron RAF |
| Squadron code LE | No. 630 Squadron RAF |
| Squadron code LF | No. 172 Squadron RAF |
| Squadron code LF | No. 37 Squadron RAF |
| Squadron code LF | Station Flight?RAF Predannack |
| Squadron code LG | No. 13 Group Communication Flight |
| Squadron code LG | No. 215 Squadron RAF |
| Squadron code LG | No. 89 Squadron RAF |
| Squadron code LH | No. 313 Squadron RAF |
| Squadron code LH | Station Flight?RAF Mepal |
| Squadron code LJ | No. 211 Squadron RAF |
| Squadron code LJ | No. 600 Squadron RAF |
| Squadron code LJ | No. 614 Squadron RAF |
| Squadron code LJ | No. 614A Squadron RAF |
| Squadron code LK | No. 342 Squadron RAF |
| Squadron code LK | No. 51 Squadron RAF |
| Squadron code LK | No. 578 Squadron RAF |
| Squadron code LK | No. 87 Squadron RAF |
| Squadron code LL | No. 1513 Flight RAF |
| Squadron code LM | No. 189 Squadron RAF |
| Squadron code LM | Station Flight?RAF Elsham Wolds |
| Squadron code LN | No. 183 Squadron RAF |
| Squadron code LN | No. 83 Group Communication Flight |
| Squadron code LN | No. 99 Squadron RAF |
| Squadron code LO | No. 602 Squadron RAF |
| Squadron code LO | No. 62? Squadron RAF |
| Squadron code LO | No. 632 Squadron RAF |
| Squadron code LP | No. 237 Operational Conversion Unit RAF |
| Squadron code LP | No. 327 Squadron RAF |
| Squadron code LQ | No. 405 Squadron RCAF |
| Squadron code LQ | No. 629 Squadron RAF |
| Squadron code LR | No. 1667 Conversion Unit RAF |
| Squadron code LR | No. 31 Operational Training Unit RAF |
| Squadron code LR | No. 56 Squadron RAF |
| Squadron code LS | No. 15 Squadron RAF |
| Squadron code LS | No. 61 Squadron RAF |
| Squadron code LT | No. 22 Operational Training Unit RAF |
| Squadron code LT | No. 7 Squadron RAF |
| Squadron code LU | Merchant Flying Unit |
| Squadron code LU | No. 101 Squadron RAF |
| Squadron code LV | No. 57 Operational Training Unit RAF |
| Squadron code LW | No. 318 (Polish) Squadron RAF |
| Squadron code LW | No. 607 Squadron RAF |
| Squadron code LW | No. 74 Wing Calibration Flight |
| Squadron code LW | No. 75 Wing Calibration Flight |
| Squadron code LW | No. 76 Wing Calibration Flight |
| Squadron code LX | No. 225 Squadron RAF |
| Squadron code LX | No. 54 Operational Training Unit RAF |
| Squadron code LX | No. 614A Squadron RAF |
| Squadron code LY | No. 1 Photographic Reconnaissance Unit |
| Squadron code LY | No. 149 Squadron RAF |
| Squadron code LY | No. 30 Squadron RAAF |
| Squadron code LY | Photographic Reconnaissance Unit |
| Squadron code LZ | No. 66 Squadron RAF |
| Squadron code LZ | No. 111 Squadron RCAF |
| Squadron code M | Central Flying School |
| Squadron code M | No. 1 Flying Training School RAF |
| Squadron code M | No. 10 Advanced Flying Training School |
| Squadron code M | No. 102 Flying Refresher School |
| Squadron code M | No. 111 Operational Training Unit RAF |
| Squadron code M | No. 202 Advanced Flying School |
| Squadron code M | No. 205 Advanced Flying School |
| Squadron code M | No. 206 Advanced Flying School |
| Squadron code M | No. 215 Advanced Flying School |
| Squadron code M | No. 22 Flying Training School |
| Squadron code M | No. 22 Service Flying Training School |
| Squadron code M | No. 3 Flying Training School RAF |
| Squadron code M | No. 6 Flying Training School |
| Squadron code M | No. 7 Flying Training School |
| Squadron code M | No. 9 Advanced Flying Training School |
| Squadron code M | No. 9 Flying Training School |
| Squadron code M1 | M Flight 1 Anti-Aircraft Co-operation Unit |
| Squadron code M2 | No. 33 Maintenance Unit RAF |
| Squadron code M4 | No. 587 Squadron RAF |
| Squadron code M5 | No. 128 Squadron RAF |
| Squadron code M6 | No. 83 Group Communication Flight |
| Squadron code M7 | No. 41 Group Communication Flight |
| Squadron code M8 | No. 4 Group Communication Flight |
| Squadron code M9 | No. 1653 Conversion Unit RAF |
| Squadron code MA | No. 161 Squadron RAF |
| Squadron code MA | No. 650 Squadron RAF |
| Squadron code MA | No. 651 Squadron RAF |
| Squadron code MB | No. 220 Squadron RAF |
| Squadron code MB | No. 236 Squadron RAF |
| Squadron code MB | No. 52 Squadron RAF |
| Squadron code MB | No. 651 Squadron RAF |
| Squadron code MC | No. 651 Squadron RAF |
| Squadron code MC | Station Flight?RAF Fiskerton |
| Squadron code MD | No. 133 (Eagle) Squadron RAF |
| Squadron code MD | No. 458 Squadron RAAF |
| Squadron code MD | No. 526 Squadron RAF |
| Squadron code MD | No. 651 Squadron RAF |
| Squadron code ME | No. 488 Squadron RNZAF |
| Squadron code MF | Central Fighter Establishment |
| Squadron code MF | Fighter Leaders School |
| Squadron code MF | No. 108 Squadron RAF |
| Squadron code MF | No. 280 Squadron RAF |
| Squadron code MF | No. 59 Operational Training Unit RAF |
| Squadron code MG | No. 7 Squadron RAF |
| Squadron code MH | No. 237 Squadron RAF |
| Squadron code MH | No. 51 Squadron RAF |
| Squadron code MJ | No. 1680 Flight RAF |
| Squadron code MJ | No. 69 Squadron RAF |
| Squadron code MK | No. 126 Squadron RAF |
| Squadron code MK | No. 20 Operational Training Unit RAF |
| Squadron code MK | No. 500 Squadron RAF |
| Squadron code ML | No. 12 Operational Training Unit RAF |
| Squadron code ML | No. 257 Squadron RAF |
| Squadron code ML | No. 338 Squadron RAF |
| Squadron code MM | No. 291 Squadron RAF |
| Squadron code MN | No. 328 Squadron RAF |
| Squadron code MN | No. 350 (Belgian) Squadron RAF |
| Squadron code MOTU | Maritime Operational Training Unit |
| Squadron code MP | No. 246 Squadron RAF |
| Squadron code MP | No. 76 Squadron RAF |
| Squadron code MQ | No. 226 Squadron RAF |
| Squadron code MQ | No. 642 Squadron RAF |
| Squadron code MR | No. 186 Squadron RAF |
| Squadron code MR | No. 245 Squadron RAF |
| Squadron code MR | No. 97 Squadron RAF |
| Squadron code MS | Hornet Conversion Flight |
| Squadron code MS | No. 23 Squadron RAF |
| Squadron code MS | No. 273 Squadron RAF |
| Squadron code MS | Station Flight?RAF Linton-on-Ouse |
| Squadron code MT | No. 105 Squadron RAF |
| Squadron code MT | No. 122 Squadron RAF |
| Squadron code MU | No. 274 Squadron RAF |
| Squadron code MU | No. 60 Squadron RAF |
| Squadron code MV | No. 53 Operational Training Unit RAF |
| Squadron code MV | No. 600 Squadron RAF |
| Squadron code MW | No. 101 Squadron RAF |
| Squadron code MW | No. 1641 Flight RAF |
| Squadron code MW | No. 217 Squadron RAF |
| Squadron code MW | No. 301 Squadron RAF |
| Squadron code MW | No. 5 Coastal Patrol Flight RAF |
| Squadron code MX | No. 120 Squadron RAF |
| Squadron code MX | No. 1653 Conversion Unit RAF |
| Squadron code MX | Station Flight?RAF Glatton |
| Squadron code MY | No. 27 Squadron RAF |
| Squadron code MY | No. 278 Squadron RAF |
| Squadron code MZ | No. 617 Squadron RAF |
| Squadron code MZ | No. 83 Operational Training Unit RAF |
| Squadron code N | Central Flying School |
| Squadron code N | Flying Refresher School |
| Squadron code N | No. 1 Flying Training School RAF |
| Squadron code N | No. 101 Flying Refresher School |
| Squadron code N | No. 111 Operational Training Unit RAF |
| Squadron code N | No. 14 (Advanced) Flying Training School |
| Squadron code N | No. 2 Basic Air Navigation School |
| Squadron code N | No. 2 Flying Training School RAF |
| Squadron code N | No. 202 Advanced Flying School |
| Squadron code N | No. 215 Advanced Flying School |
| Squadron code N | No. 22 Flying Training School |
| Squadron code N | No. 22 Service Flying Training School |
| Squadron code N | No. 3 Flying Training School RAF |
| Squadron code N | No. 6 Flying Training School |
| Squadron code N | No. 7 Flying Training School |
| Squadron code N | RAF College Flying Training School |
| Squadron code N7 | Station Flight?RAF Lyneham |
| Squadron code N8 | Station Flight?RAF Waterbeach |
| Squadron code N9 | Station Flight?RAF Blackbushe |
| Squadron code N9 | Station Flight?RAF Buckeburg |
| Squadron code NA | No. 1 Squadron RAAF |
| Squadron code NA | No. 428 Squadron RCAF |
| Squadron code NA | Station Flight?RAF Manorbier |
| Squadron code NB | Fighter Command Communication Flight Training School |
| Squadron code NB | Fighter Command Communication Squadron Training School |
| Squadron code NB | No. 635 Squadron RAF |
| Squadron code NC | No. 4 Squadron RAF |
| Squadron code ND | No. 1666 Conversion Unit RAF |
| Squadron code ND | No. 236 Squadron RAF |
| Squadron code ND | 11 Squadron SAAF |
| Squadron code ND | No. 343 Squadron RAF |
| Squadron code NE | No. 143 Squadron RAF |
| Squadron code NE | No. 63 Squadron RAF |
| Squadron code NF | No. 138 Squadron RAF |
| Squadron code NF | No. 488 Squadron RAF |
| Squadron code NG | No. 604 Squadron RAF |
| Squadron code NH | No. 119 Squadron RAF |
| Squadron code NH | No. 274 Squadron RAF |
| Squadron code NH | No. 38 Squadron RAF |
| Squadron code NH | No. 415 Squadron RCAF |
| Squadron code NI | No. 451 Squadron RAAF |
| Squadron code NJ | Merchant Ship Flying Unit |
| Squadron code NJ | No. 207 Squadron RAF |
| Squadron code NK | No. 118 Squadron RAF |
| Squadron code NK | No. 163 Squadron RAF |
| Squadron code NK | No. 31 General Reconnaissance School |
| Squadron code NL | No. 316 Squadron RAF |
| Squadron code NL | No. 341 (French) Squadron RAF |
| Squadron code NM | No. 230 Squadron RAF |
| Squadron code NM | No. 268 Squadron RAF |
| Squadron code NM | No. 76 Squadron RAF |
| Squadron code NN | No. 303 Squadron RAF |
| Squadron code NN | No. 310 (Czech) Squadron RAF |
| Squadron code NO | No. 320 Squadron RAF |
| Squadron code NO | No. 85 Squadron RAF |
| Squadron code NP | No. 158 Squadron RAF |
| Squadron code NP | No. 195 Squadron RAF |
| Squadron code NQ | No. 24 Squadron RAF |
| Squadron code NQ | No. 43 Squadron RAF |
| Squadron code NR | No. 220 Squadron RAF |
| Squadron code NR | No. 605 Squadron RAF |
| Squadron code NS | No. 159 Squadron RAF |
| Squadron code NS | No. 201 Squadron RAF |
| Squadron code NS | No. 52 Operational Training Unit RAF |
| Squadron code NT | No. 203 Squadron RAF |
| Squadron code NT | No. 29 Operational Training Unit RAF |
| Squadron code NU | No. 1382 Conversion Unit RAF |
| Squadron code NU | No. 240 Operational Conversion Unit RAF |
| Squadron code NU | No. 242 Operational Conversion Unit RAF |
| Squadron code NU | No. 625 Squadron RAF |
| Squadron code NV | No. 144 Squadron RAF |
| Squadron code NV | No. 79 Squadron RAF |
| Squadron code NW | No. 286 Squadron RAF |
| Squadron code NW | No. 3 Squadron RAAF |
| Squadron code NW | No. 33 Squadron RAF |
| Squadron code NX | No. 131 Squadron RAF |
| Squadron code NZ | No. 304 (Polish) Squadron RAF |
| Squadron code O | No. 202 Advanced Flying School |
| Squadron code O | No. 203 Advanced Flying School |
| Squadron code O | No. 205 Advanced Flying School |
| Squadron code O | Central Flying School |
| Squadron code O | Flying Refresher School |
| Squadron code O | No. 101 Flying Refresher School |
| Squadron code O | No. 2 Flying Training School RAF |
| Squadron code O | No. 3 Flying Training School RAF |
| Squadron code O | No. 6 Flying Training School |
| Squadron code O | No. 7 Flying Training School |
| Squadron code O | No. 8 Flying Training School |
| Squadron code O | No. 9 Flying Training School |
| Squadron code O | No. 9 (Advanced) Flying Training School |
| Squadron code O | No. 22 Flying Training School |
| Squadron code O | No. 22 Service Flying Training School |
| Squadron code O3 | Bomber Command Development Unit |
| Squadron code O5 | Bomber Support Development Unit |
| Squadron code O8 | Station Flight?RAF Merryfield |
| Squadron code OA | No. 2 Squadron RAF |
| Squadron code OA | No. 223 Squadron RAF |
| Squadron code OA | No. 329 Squadron RAF |
| Squadron code OA | No. 342 Squadron RAF |
| Squadron code OB | No.45 Squadron RAF |
| Squadron code OB | No.260 Squadron RAF |
| Squadron code OB | No. 53 Operational Training Unit RAF |
| Squadron code OC | Station Flight?RAF Sandtoft |
| Squadron code OD | No. 80 Squadron RAF |
| Squadron code OD | No. 6 Operational Training Unit RAF |
| Squadron code OD | No. 56 Operational Training Unit RAF |
| Squadron code OE | No.98 Squadron RAF |
| Squadron code OE | No. 168 Squadron RAF |
| Squadron code OE | No. 661 Squadron RAF |
| Squadron code OF | No. 97 Squadron RAF |
| Squadron code OG | No. 172 Squadron RAF |
| Squadron code OG | No. 315 Squadron RAF |
| Squadron code OG | No. 1332 Conversion Unit RAF |
| Squadron code OG | No. 1665 Conversion Unit RAF |
| Squadron code OH | No. 120 Squadron RAF |
| Squadron code OI | No. 2 Squadron RAF |
| Squadron code OJ | No. 149 Squadron RAF |
| Squadron code OK | No. 337 Squadron RAF |
| Squadron code OK | No. 450 Squadron RAAF |
| Squadron code OK | No. 3 School of General Reconnaissance |
| Squadron code OL | No. 83 Squadron RAF |
| Squadron code OM | No. 11 Squadron RAF |
| Squadron code OM | No. 107 Squadron RAF |
| Squadron code OM | No. 119 Squadron RAF |
| Squadron code ON | No. 56 Squadron RAF |
| Squadron code ON | No. 63 Squadron RAF |
| Squadron code ON | No. 124 Squadron RAF |
| Squadron code ON | No. 623 Squadron RAF |
| Squadron code OO | No. 13 Squadron RAF |
| Squadron code OO | No. 164 Squadron RAF |
| Squadron code OO | No. 1663 Conversion Unit RAF |
| Squadron code OP | No. 3 Squadron RAF |
| Squadron code OP | No. 11 Operational Training Unit RAF |
| Squadron code OP | No. 32 Operational Training Unit RAF |
| Squadron code OQ | No. 52 Operational Training Unit RAF |
| Squadron code OQ | No. 5 Squadron RAF |
| Squadron code OQ | Fighter Leaders School |
| Squadron code OR | Bomb Ballistic Unit |
| Squadron code OS | No. 279 Squadron RAF |
| Squadron code OS | No. 349 Squadron RAF |
| Squadron code OS | Station Flight?RAF Sturgate |
| Squadron code OT | No. 58 Squadron RAF |
| Squadron code OU | No. 485 Squadron RNZAF |
| Squadron code OV | No. 197 Squadron RAF |
| Squadron code OV | No. 514 Squadron RAF |
| Squadron code OW | No. 426 Squadron RCAF |
| Squadron code OX | No. 40 Squadron RAF |
| Squadron code OX | No. 22 Operational Training Unit RAF |
| Squadron code OY | No. 13 Operational Training Unit RAF |
| Squadron code OY | No. 11 Squadron RAF |
| Squadron code OY | No. 48 Squadron RAF |
| Squadron code OZ | No. 82 Squadron RAF |
| Squadron code OZ | No. 179 Squadron RAF |
| Squadron code OZ | No. 210 Squadron RAF |
| Squadron code OZ | 24 Squadron SAAF |
| Squadron code P | No. 202 Advanced Flying School |
| Squadron code P | No. 207 Advanced Flying School |
| Squadron code P | No. 1 Flying Training School RAF |
| Squadron code P | No. 2 Flying Training School RAF |
| Squadron code P | No. 3 Flying Training School RAF |
| Squadron code P | No. 6 Flying Training School |
| Squadron code P | No. 7 Flying Training School |
| Squadron code P | No. 9 Flying Training School |
| Squadron code P | No. 22 Flying Training School |
| Squadron code P | No. 207 Flying Training School |
| Squadron code P | No. 9 (Advanced) Flying Training School |
| Squadron code P | No. 10 (Advanced) Flying Training School |
| Squadron code P | No. 22 Service Flying Training School |
| Squadron code P2 | Station Flight?RAF Marston Moor |
| Squadron code P3 | No. 692 Squadron RAF |
| Squadron code P4 | No. 153 Squadron RAF |
| Squadron code P5 | No. 297 Squadron RAF |
| Squadron code P6 | No. 489 Squadron RNZAF |
| Squadron code P6 | Station Flight?RAF Banff |
| Squadron code P8 | No. 87 Group Communication Flight |
| Squadron code P8 | No. 87 Wing Communication Flight |
| Squadron code P9 | No. 58 Operational Training Unit RAF |
| Squadron code PA | No. 55 Operational Training Unit RAF |
| Squadron code PA | No. 655 Squadron RAF |
| Squadron code PA | No. 3 Tactical exercise Unit |
| Squadron code PB | No. 10 Squadron RAF |
| Squadron code PB | No. 655 Squadron RAF |
| Squadron code PB | No. 1684 Flight RAF |
| Squadron code PB | No. 26 Operational Training Unit RAF |
| Squadron code PC | No. 655 Squadron RAF |
| Squadron code PD | No. 87 Squadron RAF |
| Squadron code PD | No. 303 Squadron RAF |
| Squadron code PD | No. 450 Squadron RAAF |
| Squadron code PD | No. 655 Squadron RAF |
| Squadron code PE | No. 1662 Conversion Unit RAF |
| Squadron code PF | No. 516 Squadron RAF |
| Squadron code PF | No. 43 Operational Training Unit RAF |
| Squadron code PF | No. 51 Operational Training Unit RAF |
| Squadron code PF | No. 227 Operational Training Unit RAF |
| Squadron code PF | Air Observation Post School |
| Squadron code PG | No. 608 (North Riding) Squadron RAF |
| Squadron code PG | No. 619 Squadron RAF |
| Squadron code PH | No. 12 Squadron RAF |
| Squadron code PI | Station Flight?RAF Silverstone |
| Squadron code PJ | No. 59 Squadron RAF |
| Squadron code PJ | No. 130 Squadron RAF |
| Squadron code PK | No. 124 Squadron RAF |
| Squadron code PK | No. 220 Squadron RAF |
| Squadron code PK | No. 315 Squadron RAF |
| Squadron code PL | No. 144 Squadron RAF |
| Squadron code PL | No. 341 Squadron RAF |
| Squadron code PM | No. 20 Squadron RAF |
| Squadron code PM | No. 103 Squadron RAF |
| Squadron code PN | No. 41 Squadron RAF |
| Squadron code PN | No. 252 Squadron RAF |
| Squadron code PN | No. 1552 Flight RAF |
| Squadron code PO | No. 46 Squadron RAF |
| Squadron code PO | No. 104 Squadron RAF |
| Squadron code PO | No. 463 Squadron RAAF |
| Squadron code PO | No. 467 Squadron RAAF |
| Squadron code PP | No. 203 Squadron RAF |
| Squadron code PP | No. 311 Squadron RAF |
| Squadron code PP | No. 25 Operational Training Unit RAF |
| Squadron code PQ | No. 206 Squadron RAF |
| Squadron code PQ | No. 324 Squadron RAF |
| Squadron code PQ | No. 2 Tactical Exercise Unit |
| Squadron code PQ | No. 58 Operational Training Unit RAF |
| Squadron code PR | No. 407 Squadron RCAF |
| Squadron code PR | No. 609 (West Riding) Squadron RAF |
| Squadron code PS | No. 264 Squadron RAF |
| Squadron code PT | No. 27 Squadron RAF |
| Squadron code PT | No. 420 Squadron RCAF |
| Squadron code PU | No. 53 Squadron RAF |
| Squadron code PU | No. 187 Squadron RAF |
| Squadron code PU | No. 198 Squadron RAF |
| Squadron code PV | No. 275 Squadron RAF |
| Squadron code PW | No. 224 Squadron RAF |
| Squadron code PW | No. 57 Operational Training Unit RAF |
| Squadron code PX | No. 95 Squadron RAF |
| Squadron code PX | No. 214 Squadron RAF |
| Squadron code PY | No. 84 Squadron RAF |
| Squadron code PY | No. 1527 Flight RAF |
| Squadron code PZ | No. 53 Squadron RAF |
| Squadron code PZ | No. 456 Squadron RAAF |
| Squadron code PZ | No. 638 Squadron RAF |
| Squadron code Q | Air/Sea Warfare Development Unit |
| Squadron code Q | Central Flying School |
| Squadron code Q | No. 2 Flying Training School RAF |
| Squadron code Q | No. 3 Flying Training School RAF |
| Squadron code Q | No. 7 Flying Training School |
| Squadron code Q | No. 14 (Advanced) Flying Training School |
| Squadron code Q3 | No. 613 Squadron RAF |
| Squadron code Q6 | No. 1384 Conversion Unit RAF |
| Squadron code Q7 | No. 29 Maintenance Unit RAF |
| Squadron code QA | No. 654 Squadron RAF |
| Squadron code QB | No. 212 Squadron RAF |
| Squadron code QB | No. 424 Squadron RCAF |
| Squadron code QB | No. 654 Squadron RAF |
| Squadron code QC | No. 168 Squadron RAF |
| Squadron code QC | No. 654 Squadron RAF |
| Squadron code QD | No. 654 Squadron RAF |
| Squadron code QD | No. 42 Squadron RAF |
| Squadron code QD | No. 304 Squadron RAF |
| Squadron code QE | No. 12 Squadron RAF |
| Squadron code QE | Central Fighter Establishment |
| Squadron code QF | No. 98 Squadron RAF |
| Squadron code QF | No. 177 Squadron RAF |
| Squadron code QF | No. 1323 Flight RAF |
| Squadron code QF | Navigation Training Unit |
| Squadron code QG | No. 53 Operational Training Unit RAF |
| Squadron code QH | No. 298 Squadron RAF |
| Squadron code QH | No. 302 Squadron RAF |
| Squadron code QI | Station Flight?RAF Swanton Morley |
| Squadron code QJ | No. 92 Squadron RAF |
| Squadron code QJ | No. 616 Squadron RAF |
| Squadron code QJ | British Air Forces of Occupation Communication Squadron |
| Squadron code QK | No. 248 Squadron RAF |
| Squadron code QK | No. 3 Armament Practice Station |
| Squadron code QL | No. 286 Squadron RAF |
| Squadron code QL | No. 413 Squadron RCAF |
| Squadron code QL | No. 76 Wing Calibration Flight |
| Squadron code QM | No. 42 Squadron RAF |
| Squadron code QM | No. 254 Squadron RAF |
| Squadron code QM | No. 276 Squadron RAF |
| Squadron code QN | No. 5 Squadron RAF |
| Squadron code QN | No. 214 Squadron RAF |
| Squadron code QN | No. 28 Operational Training Unit RAF |
| Squadron code QO | No. 3 Squadron RAF |
| Squadron code QO | No. 167 Squadron RAF |
| Squadron code QO | No. 432 Squadron RCAF |
| Squadron code QP | Station Flight?RAF Kirmington |
| Squadron code QQ | No. 83 Squadron RAF |
| Squadron code QQ | No. 1662 Conversion Unit RAF |
| Squadron code QR | No. 61 Squadron RAF |
| Squadron code QR | No. 223 Squadron RAF |
| Squadron code QS | No. 192 Squadron RAF |
| Squadron code QS | No. 620 Squadron RAF |
| Squadron code QT | No. 57 Squadron RAF |
| Squadron code QT | No. 67 Squadron RAF |
| Squadron code QT | No. 142 Squadron RAF |
| Squadron code QU | No. 326 Squadron RAF |
| Squadron code QU | Royal Air Force Northern Ireland Communication Flight |
| Squadron code QU | Headquarters Royal Air Force Northern Ireland Communication Flight |
| Squadron code QV | No. 19 Squadron RAF |
| Squadron code QW | No. 1516 Flight RAF |
| Squadron code QX | No. 50 Squadron RAF |
| Squadron code QX | No. 224 Squadron RAF |
| Squadron code QX | Coastal Command Communication Flight |
| Squadron code QY | No. 254 Squadron RAF |
| Squadron code QY | No. 262 Squadron RAF |
| Squadron code QY | No. 452 Squadron RAAF |
| Squadron code QY | No. 1666 Conversion Unit RAF |
| Squadron code QZ | No. 643 Squadron RAF |
| Squadron code QZ | No. 4 Operational Training Unit RAF |
| Squadron code R | No. 205 Advanced Flying School |
| Squadron code R | Central Flying School |
| Squadron code R | No. 2 Flying Training School RAF |
| Squadron code R | No. 3 Flying Training School RAF |
| Squadron code R | No. 22 Flying Training School |
| Squadron code R | No. 22 Service Flying Training School |
| Squadron code R1 | R Flight, No. 1 Anti-aircraft Co-operation Unit |
| Squadron code R2 | Pilotless Aircraft Unit |
| Squadron code R4 | No. 18 Armament Practice Camp |
| Squadron code R4 | No. 1 Armament Practice Station |
| Squadron code R8 | No. 274 Maintenance Unit RAF |
| Squadron code RA | No. 100 Squadron RAF |
| Squadron code RA | No. 410 Squadron RCAF |
| Squadron code RAA | No. 500 Squadron RAF |
| Squadron code RAB | No. 501 Squadron RAF |
| Squadron code RAC | No. 502 Squadron RAF |
| Squadron code RAD | No. 504 Squadron RAF |
| Squadron code RAG | No. 600 Squadron RAF |
| Squadron code RAH | No. 601 Squadron RAF |
| Squadron code RAI | No. 602 Squadron RAF |
| Squadron code RAJ | No. 603 Squadron RAF |
| Squadron code RAK | No. 604 Squadron RAF |
| Squadron code RAL | No. 605 Squadron RAF |
| Squadron code RAN | No. 607 Squadron RAF |
| Squadron code RAO | No. 608 Squadron RAF |
| Squadron code RAP | No. 609 Squadron RAF |
| Squadron code RAQ | No. 610 Squadron RAF |
| Squadron code RAR | No. 611 Squadron RAF |
| Squadron code RAS | No. 612 Squadron RAF |
| Squadron code RAT | No. 613 Squadron RAF |
| Squadron code RAU | No. 614 Squadron RAF |
| Squadron code RAV | No. 615 Squadron RAF |
| Squadron code RAW | No. 616 Squadron RAF |
| Squadron code RB | No. 66 Squadron RAF |
| Squadron code RB | No. 10 Squadron RAAF |
| Squadron code RC | No. 5 Lancaster Finishing School |
| Squadron code RCA | Reserve Command Communication Squadron |
| Squadron code RCB | No. 12 Reserve Flying School |
| Squadron code RCC | No. 13 Reserve Flying School |
| Squadron code RCD | No. 12 Reserve Flying School |
| Squadron code RCD | No. 15 Reserve Flying School |
| Squadron code RCE | No. 61 Group Communication Flight |
| Squadron code RCF | No. 62 Group Communication Flight |
| Squadron code RCG | No. 63 Group Communication Flight |
| Squadron code RCH | No. 64 Group Communication Flight |
| Squadron code RCI | No. 66 Group Communication Flight |
| Squadron code RCJ | No. 17 Reserve Flying School |
| Squadron code RCK | No. 3 Reserve Flying School |
| Squadron code RCL | No. 14 Reserve Flying School |
| Squadron code RCM | No. 1 Reserve Flying School |
| Squadron code RCN | No. 4 Reserve Flying School |
| Squadron code RCO | No. 6 Reserve Flying School |
| Squadron code RCP | No. 7 Reserve Flying School |
| Squadron code RCQ | No. 8 Reserve Flying School |
| Squadron code RCR | No. 11 Reserve Flying School |
| Squadron code RCS | No. 16 Reserve Flying School |
| Squadron code RCT | No. 18 Reserve Flying School |
| Squadron code RCU | No. 22 Reserve Flying School |
| Squadron code RCV | No. 24 Reserve Flying School |
| Squadron code RCW | No. 25 Reserve Flying School |
| Squadron code RCX | No. 2 Reserve Flying School |
| Squadron code RCY | No. 5 Reserve Flying School |
| Squadron code RCZ | No. 9 Reserve Flying School |
| Squadron code RD | No. 67 Squadron RAF |
| Squadron code RE | No. 118 Squadron RCAF |
| Squadron code RE | No. 229 Squadron RAF |
| Squadron code RE | Central Fighter Establishment |
| Squadron code RF | No. 204 Squadron RAF |
| Squadron code RF | No. 303 Squadron RAF |
| Squadron code RF | No. 1510 Flight RAF |
| Squadron code RG | No. 208 Squadron RAF |
| Squadron code RG | No. 510 Squadron RAF |
| Squadron code RG | No. 1472 Flight RAF |
| Squadron code RG | Station Flight?RAF Earls Colne |
| Squadron code RH | No. 88 Squadron RAF |
| Squadron code RH | No. 179 Squadron RAF |
| Squadron code RJ | No. 46 Squadron RAF |
| Squadron code RJ | Station Flight?RAF Thornaby |
| Squadron code RK | No. 131 Squadron RAF |
| Squadron code RL | No. 38 Squadron RAF |
| Squadron code RL | No. 279 Squadron RAF |
| Squadron code RL | No. 603 Squadron RAF |
| Squadron code RM | No. 26 Squadron RAF |
| Squadron code RM | No. 140 Squadron RAF |
| Squadron code RN | No. 72 Squadron RAF |
| Squadron code RN | No. 93 Squadron RAF |
| Squadron code RO | No. 29 Squadron RAF |
| Squadron code RO | No. 174 Squadron RAF |
| Squadron code RO | No. 32 Operational Training Unit RAF |
| Squadron code ROA | No. 661 Squadron RAF |
| Squadron code ROA | No. 1957 Flight RAF |
| Squadron code ROA | No. 1958 Flight RAF |
| Squadron code ROA | No. 1959 Flight RAF |
| Squadron code ROA | No. 1960 Flight RAF |
| Squadron code ROA | No. 1961 Flight RAF |
| Squadron code ROB | No. 662 Squadron RAF |
| Squadron code ROB | No. 1956 Flight RAF |
| Squadron code ROB | No. 1962 Flight RAF |
| Squadron code ROB | No. 1963 Flight RAF |
| Squadron code ROC | No. 663 Squadron RAF |
| Squadron code ROC | No. 1951 Flight RAF |
| Squadron code ROC | No. 1952 Flight RAF |
| Squadron code ROC | No. 1953 Flight RAF |
| Squadron code ROC | No. 1954 Flight RAF |
| Squadron code ROC | No. 1955 Flight RAF |
| Squadron code ROD | No. 664 Squadron RAF |
| Squadron code ROD | No. 1964 Flight RAF |
| Squadron code ROD | No. 1965 Flight RAF |
| Squadron code ROD | No. 1969 Flight RAF |
| Squadron code ROD | No. 1970 Flight RAF |
| Squadron code ROG | No. 666 Squadron RAF |
| Squadron code ROG | No. 1966 Flight RAF |
| Squadron code ROG | No. 1967 Flight RAF |
| Squadron code ROG | No. 1968 Flight RAF |
| Squadron code RP | No. 288 Squadron RAF |
| Squadron code RQ | No. 193 Squadron RAF |
| Squadron code RQ | Station Flight?RAF Colerne |
| Squadron code RR | No. 407 Squadron RCAF |
| Squadron code RR | No. 615 Squadron RAF |
| Squadron code RR | Station Flight?RAF Filton |
| Squadron code RS | No. 229 Operational Conversion Unit RAF |
| Squadron code RS | No. 30 Squadron RAF |
| Squadron code RS | No. 157 Squadron RAF |
| Squadron code RS | No. 171 Squadron RAF |
| Squadron code RSA | No. 23 Reserve Flying School |
| Squadron code RSB | No. 10 Reserve Flying School |
| Squadron code RT | No. 112 Squadron RAF |
| Squadron code RT | No. 114 Squadron RAF |
| Squadron code RT | No. 147 Squadron RAF |
| Squadron code RU | Station Flight?RAF Hendon |
| Squadron code RU | No. 414 Squadron RCAF |
| Squadron code RUA | Aberdeen University Air Squadron |
| Squadron code RUB | Birmingham University Air Squadron |
| Squadron code RUC | Cambridge University Air Squadron |
| Squadron code RUD | Durham University Air Squadron |
| Squadron code RUE | Edinburgh University Air Squadron |
| Squadron code RUG | Glasgow University Air Squadron |
| Squadron code RUL | London University Air Squadron |
| Squadron code RUL | University of London Air Squadron |
| Squadron code RUM | Manchester University Air Squadron |
| Squadron code RUN | Nottingham University Air Squadron |
| Squadron code RUO | Oxford University Air Squadron |
| Squadron code RUQ | Queens University Air Squadron |
| Squadron code RUS | St. Andrews University Air Squadron |
| Squadron code RUY | Leeds University Air Squadron |
| Squadron code RUZ | Southampton University Air Squadron |
| Squadron code RV | No. 1659 Conversion Unit RAF |
| Squadron code RW | No. 36 Squadron RAF |
| Squadron code RX | No. 25 Squadron RAF |
| Squadron code RX | No. 456 Squadron RAAF |
| Squadron code RY | No. 278 Squadron RAF |
| Squadron code RY | No. 313 Squadron RAF |
| Squadron code RZ | No. 513 Squadron RAF |
| Squadron code RZ | No. 241 Squadron RAF |
| Squadron code S | No. 78 Squadron RAF |
| Squadron code S | No. 208 Squadron RAF |
| Squadron code S | No. 207 Advanced Flying School |
| Squadron code S | No. 1564 Flight RAF |
| Squadron code S | Central Flying School |
| Squadron code S | Royal Air Force Technical College |
| Squadron code S | No. 3 Flying Training School RAF |
| Squadron code S | No. 8 Flying Training School |
| Squadron code S | No. 8 (Advanced) Flying Training School |
| Squadron code S6 | No. 41 Group Communication Flight |
| Squadron code S6 | Maintenance Command Communication Flight |
| Squadron code S7 | No. 500 Squadron RAF |
| Squadron code S8 | No. 328 Squadron RAF |
| Squadron code S9 | No. 16 Group Communication Flight |
| Squadron code SA | No. 486 Squadron RNZAF |
| Squadron code SB | No. 464 Squadron RAAF |
| Squadron code SC | Station Flight?RAF Prestwick |
| Squadron code SD | No. 72 Squadron RAF |
| Squadron code SD | No. 501 Squadron RAF |
| Squadron code SE | No. 95 Squadron RAF |
| Squadron code SE | No. 431 Squadron RCAF |
| Squadron code SF | No. 39 Squadron RAF |
| Squadron code SF | No. 137 Squadron RAF |
| Squadron code SG | No. 626 Squadron RAF |
| Squadron code SH | No. 64 Squadron RAF |
| Squadron code SH | No. 216 Squadron RAF |
| Squadron code SH | No. 240 Squadron RAF |
| Squadron code SJ | No. 96 Squadron RAF |
| Squadron code SJ | No. 21 Operational Training Unit RAF |
| Squadron code SK | No. 165 Squadron RAF |
| Squadron code SK | No. 263 Squadron RAF |
| Squadron code SL | No. 13 Operational Training Unit RAF |
| Squadron code SM | No. 272 Squadron RAF |
| Squadron code SM | No. 305 Squadron RAF |
| Squadron code SN | No. 243 Squadron RAF |
| Squadron code SN | No. 511 Squadron RAF |
| Squadron code SN | No. 230 Operational Conversion Unit RAF |
| Squadron code SO | No. 33 Squadron RAF |
| Squadron code SO | No. 145 Squadron RAF |
| Squadron code SP | No. 320 Squadron RAF |
| Squadron code SP | No. 110 Squadron RCAF |
| Squadron code SP | No. 400 Squadron RCAF |
| Squadron code SP | Station Flight?RAF Prestwick |
| Squadron code SQ | No. 500 Squadron RAF |
| Squadron code SR | No. 101 Squadron RAF |
| Squadron code SR | No. 281 Squadron RAF |
| Squadron code SS | No. 129 Squadron RAF |
| Squadron code SS | No. 1552 Flight RAF |
| Squadron code ST | No. 228 Operational Conversion Unit RAF |
| Squadron code ST | No. 54 Operational Training Unit RAF |
| Squadron code SU | No. 235 Squadron RAF |
| Squadron code SU | Station Flight?RAF Prestwick |
| Squadron code SV | No. 218 Squadron RAF |
| Squadron code SV | No. 1663 Conversion Unit RAF |
| Squadron code SW | No. 1678 Flight RAF |
| Squadron code SW | No. 43 Squadron RAF |
| Squadron code SW | No. 253 Squadron RAF |
| Squadron code SW | No. 517 Squadron RAF |
| Squadron code SW | No. 1678 Conversion Unit RAF |
| Squadron code SW | No. 1678 Flight RAF |
| Squadron code SX | No. 1 Coast Artillery Co-operation Unit/Flight |
| Squadron code SX | Station Flight?RAF Methwold |
| Squadron code SY | No. 139 Squadron RAF |
| Squadron code SY | No. 613 Squadron RAF |
| Squadron code SZ | No. 256 Squadron RAF |
| Squadron code SZ | No. 316 Squadron RAF |
| Squadron code T | No. 15 Squadron RAF |
| Squadron code T | No. 36 Squadron RAF |
| Squadron code T | No. 74 Squadron RAF |
| Squadron code T | No. 79 Squadron RAF |
| Squadron code T | No. 112 Squadron RAF |
| Squadron code T | No. 204 Squadron RAF |
| Squadron code T | No. 220 Squadron RAF |
| Squadron code T | No. 249 Squadron RAF |
| Squadron code T | No. 256 Squadron RAF |
| Squadron code T | No. 1 Coastal Patrol Flight |
| Squadron code T | No. 1417 Flight RAF |
| Squadron code T | No. 3 Flying Training Scholl |
| Squadron code T | No. 14 (Advanced) Flying Training Scholl |
| Squadron code T2 | No. 46 Maintenance Unit RAF |
| Squadron code T5 | Station Flight?RAF Abingdon |
| Squadron code T6 | Station Flight?RAF Melbourne |
| Squadron code T7 | No. 650 Squadron RAF |
| Squadron code TA | 2 Squadron SAAF |
| Squadron code TA | No. 358 Squadron RAF |
| Squadron code TA | No. 235 Operational Conversion Unit RAF |
| Squadron code TA | No. 4 Operational Training Unit RAF |
| Squadron code TAL | Communication Flight Aldermaston |
| Squadron code TB | No. 51 Squadron RAF |
| Squadron code TB | No. 77 Squadron RAF |
| Squadron code TB | No. 153 Squadron RAF |
| Squadron code TB | No. 156 Squadron RAF |
| Squadron code TBR | RAF Staff College Flight |
| Squadron code TC | No. 170 Squadron RAF |
| Squadron code TCA | No. 1 Radio School RAF |
| Squadron code TCE | Station Flight?RAF Carew Cheriton |
| Squadron code TCN | Station Flight?RAF Cranwell |
| Squadron code TCO | Station Flight?RAF Cosford |
| Squadron code TCR | No. 1 Radio School |
| Squadron code TCW | Station Flight?RAF Carew Cheriton |
| Squadron code TD | No. 132 Squadron RAF |
| Squadron code TD | No. 320 Squadron RAF |
| Squadron code TD | No. 453 Squadron RAAF |
| Squadron code TD | No. 82 Operational Training Unit RAF |
| Squadron code TDE | Empire Radio School |
| Squadron code TE | No. 53 Squadron RAF |
| Squadron code TE | No. 1401 Flight RAF |
| Squadron code TE | Station Flight?RAF Carew Cheriton |
| Squadron code TF | No. 620 Squadron RAF |
| Squadron code TF | No. 29 Operational Training Unit RAF |
| Squadron code TF | No. 127 Squadron RCAF |
| Squadron code TFA | School of Photography |
| Squadron code TH | No. 20 Squadron RAF |
| Squadron code TH | No. 418 Squadron RCAF |
| Squadron code THA | Station Flight?RAF Halton |
| Squadron code THE | Parachute Test Unit |
| Squadron code THI | Aeroplane & Armament Experimental Establishment |
| Squadron code THL | No. 24 Group Communication Flight |
| Squadron code THO | Station Flight?RAF Hornchurch |
| Squadron code TIH | No. 1 RAF Film Unit |
| Squadron code TJ | 7 Squadron SAAF |
| Squadron code TJ | No. 202 Squadron RAF |
| Squadron code TJ | No. 272 Squadron RAF |
| Squadron code TJ | No. 52 Operational Training Unit RAF |
| Squadron code TK | No. 143 Squadron RAF |
| Squadron code TK | No. 149 Squadron RAF |
| Squadron code TL | No. 35 Squadron RAF |
| Squadron code TL | No. 253 Squadron RAF |
| Squadron code TLO | Station Flight?RAF Locking |
| Squadron code TM | No. 111 Squadron RCAF |
| Squadron code TM | No. 504 Squadron RAF |
| Squadron code TMA | No. 4 Radio School |
| Squadron code TMD | No. 4 Radio School |
| Squadron code TME | No. 4 Radio School |
| Squadron code TML | No. 4 Radio School |
| Squadron code TN | No. 33 Squadron RAF |
| Squadron code TN | No. 30 Operational Training Unit RAF |
| Squadron code TO | No. 228 Squadron RAF |
| Squadron code TO | No. 61 Operational Training Unit RAF |
| Squadron code TO | No. 203 Advanced Flying School |
| Squadron code TO | No. 226 Operational Conversion Unit RAF |
| Squadron code TO | No. 228 Operational Conversion Unit RAF |
| Squadron code TOC | Officers Advanced Training School |
| Squadron code TP | No. 73 Squadron RAF |
| Squadron code TP | No. 198 Squadron RAF |
| Squadron code TP | No. 277 Squadron RAF |
| Squadron code TQ | No. 102 Squadron RAF |
| Squadron code TQ | No. 202 Squadron RAF |
| Squadron code TQ | Station Flight?RAF Bramcote |
| Squadron code TR | No. 59 Squadron RAF |
| Squadron code TR | No. 238 Squadron RAF |
| Squadron code TS | No. 137 Squadron RAF |
| Squadron code TS | No. 548 Squadron RAF |
| Squadron code TS | No. 657 Squadron RAF |
| Squadron code TS | No. 1900 Flight RAF |
| Squadron code TS | No. 1901 Flight RAF |
| Squadron code TSA | Station Flight?RAF St Athan |
| Squadron code TSI | RAF (Belgian) Training School |
| Squadron code TSM | No. 4 Radio School |
| Squadron code TSN | RAF (Belgian) Training School |
| Squadron code TSO | No. 27 Group Communication Flight |
| Squadron code TT | No. 289 Squadron RAF |
| Squadron code TT | No. 1658 Conversion Unit RAF |
| Squadron code TTE | No. 22 Group Communication Flight |
| Squadron code TU | Station Flight?RAF Dyce |
| Squadron code TU | No. 1 Torpedo Unit |
| Squadron code TV | No. 4 Squadron RAF |
| Squadron code TV | No. 151 Squadron RAF |
| Squadron code TV | No. 173 Squadron RAF |
| Squadron code TV | No. 1660 Conversion Unit RAF |
| Squadron code TW | No. 90 Squadron RAF |
| Squadron code TW | No. 141 Squadron RAF |
| Squadron code TWM | School of Photography |
| Squadron code TWY | Technical Training Command Communication Flight |
| Squadron code TX | No. 130 Squadron RAF |
| Squadron code TX | No. 11 Operational Training Unit RAF |
| Squadron code TY | No. 24 Operational Training Unit RAF |
| Squadron code U | No. 8 Flying Training School |
| Squadron code U | No. 8 (Advanced) Flying Training School |
| Squadron code U | No. 22 Flying Training School |
| Squadron code U | No. 22 Service Flying Training School |
| Squadron code U2 | Station Flight?RAF Talbenny |
| Squadron code U3 | Radio Warfare Establishment |
| Squadron code U4 | No. 667 Squadron RAF |
| Squadron code U5 | No. 3 Ferry Pool |
| Squadron code U5 | No. 51 Maintenance Unit RAF |
| Squadron code U6 | No. 436 Squadron RCAF |
| Squadron code U7 | No. 1697 Flight RAF |
| Squadron code UA | No. 269 Squadron RAF |
| Squadron code UB | No. 63 Squadron RAF |
| Squadron code UB | No. 164 Squadron RAF |
| Squadron code UB | No. 304 Squadron RAF |
| Squadron code UB | No. 455 Squadron RAAF |
| Squadron code UD | No. 141 Squadron RAF |
| Squadron code UD | No. 452 Squadron RAAF |
| Squadron code UE | No. 200 Squadron RAF |
| Squadron code UE | No. 228 Squadron RAF |
| Squadron code UF | No. 601 Squadron RAF |
| Squadron code UF | No. 622 Squadron RAF |
| Squadron code UF | No. 24 Operational Training Unit RAF |
| Squadron code UG | No. 16 Squadron RAF |
| Squadron code UG | No. 310 Squadron RAF |
| Squadron code UG | No. 1654 Conversion Unit RAF |
| Squadron code UH | No. 21 Operational Training Unit RAF |
| Squadron code UH | No. 1682 Flight RAF |
| Squadron code UJ | No. 27 Operational Training Unit RAF |
| Squadron code UK | No. 637 Squadron RAF |
| Squadron code UL | No. 178 Squadron RAF |
| Squadron code UL | No. 576 Squadron RAF |
| Squadron code UL | No. 608 Squadron RAF |
| Squadron code UM | No. 152 Squadron RAF |
| Squadron code UM | No. 626 Squadron RAF |
| Squadron code UN | No. 126 Squadron RAF |
| Squadron code UN | Station Flight?RAF Faldingworth |
| Squadron code UO | No. 266 Squadron RAF |
| Squadron code UO | No. 19 Operational Training Unit RAF |
| Squadron code UP | No. 605 Squadron RAF |
| Squadron code UP | No. 4 Squadron RAF |
| Squadron code UP | No. 222 Squadron RAF |
| Squadron code UQ | No. 211 Squadron RAF |
| Squadron code UQ | No. 512 Squadron RAF |
| Squadron code UQ | No. 1508 Flight RAF |
| Squadron code UR | No. 84 Squadron RAF |
| Squadron code UR | No. 13 Operational Training Unit RAF |
| Squadron code US | No. 28 Squadron RAF |
| Squadron code US | No. 56 Squadron RAF |
| Squadron code UT | No. 17 Squadron RAF |
| Squadron code UT | No. 51 Squadron RAF |
| Squadron code UT | No. 461 Squadron RAAF |
| Squadron code UU | No. 61 Operational Training Unit RAF |
| Squadron code UU | No. 226 Operational Conversion Unit RAF |
| Squadron code UV | No. 17 Squadron RAF |
| Squadron code UV | No. 8 Squadron RAAF |
| Squadron code UV | No. 460 Squadron RAAF |
| Squadron code UW | No. 3 Tactical Exercise Unit |
| Squadron code UW | No. 55 Operational Training Unit RAF |
| Squadron code UX | No. 82 Squadron RAF |
| Squadron code UX | No. 214 Squadron RAF |
| Squadron code UX | No. 1476 Flight RAF |
| Squadron code UX | Central Fighter Establishment |
| Squadron code UY | No. 314 Squadron RAF |
| Squadron code UY | No. 10 Operational Training Unit RAF |
| Squadron code UZ | No. 292 Squadron RAF |
| Squadron code UZ | No. 306 Squadron RAF |
| Squadron code V | No. 126 Squadron RAF |
| Squadron code V | No. 1435 Flight RAF |
| Squadron code V | No. 1435 Squadron RAF |
| Squadron code V4 | No. 6 Maintenance Unit RAF |
| Squadron code V6 | No. 615 Squadron RAF |
| Squadron code V6 | Radio Warfare Establishment |
| Squadron code V7 | Central Signals Establishment |
| Squadron code V8 | No. 570 Squadron RAF |
| Squadron code V9 | No. 502 Squadron RAF |
| Squadron code VA | No. 84 Squadron RAF |
| Squadron code VA | No. 125 Squadron RAF |
| Squadron code VA | No. 264 Squadron RAF |
| Squadron code VA | No. 282 Squadron RAF |
| Squadron code VB | No. 221 Squadron RAF |
| Squadron code VB | No. 334 Squadron RAF |
| Squadron code VB | No. 14 Operational Training Unit RAF |
| Squadron code VD | Central Gunnery School |
| Squadron code VD | No. 123 Squadron RCAF |
| Squadron code VE | No. 110 Squadron RAF |
| Squadron code VE | No. 319 Squadron RAF |
| Squadron code VE | Station Flight?RAF Kirton-in-Lindsey |
| Squadron code VF | Station Flight?RAF Lindholme |
| Squadron code VF | No. 99 Squadron RAF |
| Squadron code VG | No. 210 Squadron RAF |
| Squadron code VG | No. 285 Squadron RAF |
| Squadron code VI | No. 169 Squadron RAF |
| Squadron code VJ | No. 503 Squadron RAF |
| Squadron code VK | No. 238 Squadron RAF |
| Squadron code VK | No. 307 Squadron RAF |
| Squadron code VK | No. 85 Group Communication Flight |
| Squadron code VL | 12 Squadron SAAF |
| Squadron code VL | No. 167 Squadron RAF |
| Squadron code VL | No. 322 Squadron RAF |
| Squadron code VM | No. 231 Squadron RAF |
| Squadron code VM | No. 244 Squadron RAF |
| Squadron code VM | No. 1561 Flight RAF |
| Squadron code VN | No. 50 Squadron RAF |
| Squadron code VN | No. 333 Squadron RAF |
| Squadron code VO | No. 98 Squadron RAF |
| Squadron code VP | No. 259 Squadron RAF |
| Squadron code VP | Station Flight?RAF Exeter |
| Squadron code VQ | No. 201 Squadron RAF |
| Squadron code VQ | No. 18 Operational Training Unit RAF |
| Squadron code VR | No. 22 Squadron RAF |
| Squadron code VR | No. 419 Squadron RCAF |
| Squadron code VS | No. 31 Squadron RAF |
| Squadron code VS | Metropolitan Communication Squadron |
| Squadron code VT | No. 30 Squadron RAF |
| Squadron code VT | No. 216 Squadron RAF |
| Squadron code VT | No. 1556 Flight RAF |
| Squadron code VU | No. 36 Squadron RAF |
| Squadron code VU | No. 246 Squadron RAF |
| Squadron code VV | No. 288 Squadron RAF |
| Squadron code VV | Station Flight?RAF Sumburgh |
| Squadron code VW | Station Flight?RAF Chedburgh |
| Squadron code VW | No. 157 Squadron RAF |
| Squadron code VW | No. 118 Squadron RCAF |
| Squadron code VX | No. 206 Squadron RAF |
| Squadron code VY | No. 85 Squadron RAF |
| Squadron code VY | No. 249 Squadron RAF |
| Squadron code VZ | No. 412 Squadron RCAF |
| Squadron code VZ | No. 636 Squadron RAF |
| Squadron code W | No. 234 Squadron RAF |
| Squadron code W | No. 205 Advanced Flying School |
| Squadron code W | No. 3 Air Navigation School |
| Squadron code W | Central Flying School |
| Squadron code W | No. 4 Flying Training School RAF |
| Squadron code W | No. 5 Flying Training School RAF |
| Squadron code W | No. 8 Flying Training School RAF |
| Squadron code W | No. 8 (Advanced) Flying Training School |
| Squadron code W2 | No. 80 Squadron RAF |
| Squadron code W3 | Station Flight?RAF Hemswell |
| Squadron code W4 | Glider Pick-up Training Flight |
| Squadron code W5 | Station Flight?RAF Castle Camps |
| Squadron code W6 | No. 18 Maintenance Unit RAF |
| Squadron code WA | No. 264 Squadron RAF |
| Squadron code WB | No. 181 Squadron RAF |
| Squadron code WB | Bomber Command Instructors School |
| Squadron code WB | Bomber Command Instrument Rating and Examining Flight |
| Squadron code WC | No. 309 Squadron RAF |
| Squadron code WD | No. 206 Squadron RAF |
| Squadron code WD | Station Flight?RAF Leeming |
| Squadron code WE | No. 59 Squadron RAF |
| Squadron code WE | No. 23 Operational Training Unit RAF |
| Squadron code WF | No. 238 Squadron RAF |
| Squadron code WF | No. 525 Squadron RAF |
| Squadron code WG | No. 128 Squadron RAF |
| Squadron code WG | No. 26 Operational Training Unit RAF |
| Squadron code WH | No. 330 Squadron RAF |
| Squadron code WH | Armament Practice Station Acklington |
| Squadron code WI | No. 69 Squadron RAF |
| Squadron code WJ | No. 167 Squadron RAF |
| Squadron code WJ | No. 17 Operational Training Unit RAF |
| Squadron code WK | No. 81 Squadron RAF |
| Squadron code WK | No. 135 Squadron RAF |
| Squadron code WK | No. 1310 Flight RAF |
| Squadron code WK | No. 1316 Flight RAF |
| Squadron code WL | No. 434 Squadron RCAF |
| Squadron code WL | No. 612 Squadron RAF |
| Squadron code WL | Station Flight?RAF Leeming |
| Squadron code WM | No. 68 Squadron RAF |
| Squadron code WM | No. 122 Squadron RAF |
| Squadron code WN | No. 527 Squadron RAF |
| Squadron code WO | No. 138 Squadron RAF |
| Squadron code WP | No. 90 Squadron RAF |
| Squadron code WQ | No. 209 Squadron RAF |
| Squadron code WQ | No. 604 Squadron RAF |
| Squadron code WQ | No. 12 Group Communication Flight |
| Squadron code WR | No. 248 Squadron RAF |
| Squadron code WR | Station Flight?RAF Moreton-in-the-Marsh |
| Squadron code WR | 40 Squadron SAAF |
| Squadron code WS | No. 9 Squadron RAF |
| Squadron code WS | No. 275 Squadron RAF |
| Squadron code WT | No. 35 Squadron RAF |
| Squadron code WT | Station Flight?RAF Stornoway |
| Squadron code WU | No. 225 Squadron RAF |
| Squadron code WU | No. 317 Squadron RAF |
| Squadron code WV | No. 18 Squadron RAF |
| Squadron code WW | No. 332 Squadron RAF |
| Squadron code WX | No. 302 Squadron RAF |
| Squadron code WX | No. 627 Squadron RAF |
| Squadron code WY | No. 541 Squadron RAF |
| Squadron code WY | No. 261 Squadron RAF |
| Squadron code WY | No. 28 Operational Training Unit RAF |
| Squadron code WZ | No. 19 Squadron RAF |
| Squadron code WZ | Station Flight?RAF Graveley |
| Squadron code X | No. 229 Squadron RAF |
| Squadron code X | No. 603 Squadron RAF |
| Squadron code X | No. 203 Advanced Flying School |
| Squadron code X | No. 205 Advanced Flying School |
| Squadron code X | No. 3 Air Navigation School |
| Squadron code X | Central Flying School |
| Squadron code X | No. 2 Flying Training School RAF |
| Squadron code X | No. 4 Flying Training School RAF |
| Squadron code X | No. 5 Flying Training School RAF |
| Squadron code X | No. 6 Flying Training School RAF |
| Squadron code X | No. 8 Flying Training School RAF |
| Squadron code X | No. 8 (Advanced) Flying Training School |
| Squadron code X2 | Station Flight?RAF Stoney Cross |
| Squadron code X3 | No. 111 Operational Training Unit RAF |
| Squadron code X6 | No. 290 Squadron RAF |
| Squadron code X8 | No. 6 Group Communication Flight |
| Squadron code X9 | No. 299 Squadron RAF |
| Squadron code XA | No. 489 Squadron RAF |
| Squadron code XA | No. 640 Squadron RAF |
| Squadron code XA | Essex Sector Communication Flight |
| Squadron code XB | No. 224 Squadron RAF |
| Squadron code XB | No. 239 Squadron RAF |
| Squadron code XB | No. 2 Tactical Exercise Unit |
| Squadron code XC | No. 26 Squadron RAF |
| Squadron code XD | No. 139 Squadron RAF |
| Squadron code XD | No. 188 Squadron RAF |
| Squadron code XD | No. 13 Operational Training Unit RAF |
| Squadron code XE | No. 6 Squadron RAF |
| Squadron code XE | Central Bomber Establishment |
| Squadron code XF | No. 168 Squadron RAF |
| Squadron code XF | No. 19 Operational Training Unit RAF |
| Squadron code XG | No. 16 Operational Training Unit RAF |
| Squadron code XH | No. 218 Squadron RAF |
| Squadron code XH | No. 296 Squadron RAF |
| Squadron code XJ | No. 293 Squadron RAF |
| Squadron code XJ | No. 13 Operational Training Unit RAF |
| Squadron code XK | No. 46 Squadron RAF |
| Squadron code XK | No. 272 Squadron RAF |
| Squadron code XL | No. 346 Squadron RAF |
| Squadron code XL | No. 20 Operational Training Unit RAF |
| Squadron code XL | No. 226 Operational Conversion Unit RAF |
| Squadron code XL | No. 1335 Conversion Unit RAF |
| Squadron code XM | No. 182 Squadron RAF |
| Squadron code XM | No. 1902 Flight RAF |
| Squadron code XM | No. 1903 Flight RAF |
| Squadron code XM | No. 1904 Flight RAF |
| Squadron code XM | No. 1905 Flight RAF |
| Squadron code XM | No. 1908 Flight RAF |
| Squadron code XM | No. 1909 Flight RAF |
| Squadron code XM | No. 652 Squadron RAF |
| Squadron code XN | No. 232 Squadron RAF |
| Squadron code XN | No. 22 Operational Training Unit RAF |
| Squadron code XO | No. 57 Operational Training Unit RAF |
| Squadron code XO | No. 112 Squadron RAF |
| Squadron code XP | No. 174 Squadron RAF |
| Squadron code XP | No. 318 Squadron RAF |
| Squadron code XQ | No. 64 Squadron RAF |
| Squadron code XQ | No. 86 Squadron RAF |
| Squadron code XR | No. 71 Squadron RAF |
| Squadron code XR | No. 2 Group Communication Flight |
| Squadron code XS | No. 106 Squadron RAF |
| Squadron code XT | No. 335 Squadron RAF |
| Squadron code XT | No. 603 Squadron RAF |
| Squadron code XT | No. 1657 Conversion Unit RAF |
| Squadron code XU | No. 7 Squadron RAF |
| Squadron code XU | No. 49 Squadron RAF |
| Squadron code XV | No. 2 Squadron RAF |
| Squadron code XV | No. 309 Squadron RAF |
| Squadron code XW | No. 18 Operational Training Unit RAF |
| Squadron code XX | No. 631 Squadron RAF |
| Squadron code XY | No. 90 Squadron RAF |
| Squadron code XY | No. 136 Squadron RAF |
| Squadron code XY | No. 186 Squadron RAF |
| Squadron code XY | No. 203 Advanced Flying School |
| Squadron code XZ | No. 39 Squadron RAF |
| Squadron code XZ | No. 153 Squadron RAF |
| Squadron code Y | No. 205 Advanced Flying School |
| Squadron code Y | No. 206 Advanced Flying School |
| Squadron code Y | No. 1 Flying Training School RAF |
| Squadron code Y | No. 22 Flying Training School |
| Squadron code Y | No. 22 Service Flying Training School |
| Squadron code Y2 | No. 442 Squadron RCAF |
| Squadron code Y3 | No. 202 Squadron RAF |
| Squadron code Y3 | No. 518 Squadron RAF |
| Squadron code Y5 | Station Flight?RAF Dallachy |
| Squadron code YA | No. 68 Squadron RAF |
| Squadron code YA | Station Flight?RAF Netheravon |
| Squadron code YA | No. 14 Squadron RCAF |
| Squadron code YB | Station Flight?RAF Bentwaters |
| Squadron code YB | No. 17 Squadron RAF |
| Squadron code YB | No. 29 Squadron RAF |
| Squadron code YD | No. 242 Squadron RAF |
| Squadron code YD | No. 255 Squadron RAF |
| Squadron code YE | No. 250 Squadron RAF |
| Squadron code YE | No. 289 Squadron RAF |
| Squadron code YF | No. 280 Squadron RAF |
| Squadron code YF | No. 505 Squadron RAF |
| Squadron code YF | Station Flight?RAF Scampton |
| Squadron code YG | No. 156 Squadron RAF |
| Squadron code YG | No. 502 Squadron RAF |
| Squadron code YG | No. 646 Squadron RAF |
| Squadron code YH | No. 21 Squadron RAF |
| Squadron code YH | No. 11 Squadron RAF |
| Squadron code YI | No. 423 Squadron RCAF |
| Squadron code YJ | No. 152 Squadron RAF |
| Squadron code YJ | Station Flight?RAF Metheringham |
| Squadron code YK | No. 80 Squadron RAF |
| Squadron code YK | No. 274 Squadron RAF |
| Squadron code YK | No. 340 Squadron RAF |
| Squadron code YL | No. 27 Operational Training Unit RAF |
| Squadron code YM | No. 350 Squadron RAF |
| Squadron code YM | No. 1528 Flight RAF |
| Squadron code YM | No. 1529 Flight RAF |
| Squadron code YN | No. 601 Squadron RAF |
| Squadron code YO | No. 8 Squadron RAF |
| Squadron code YO | No. 401 Squadron RCAF |
| Squadron code YO | Station Flight?RAF Down Ampney |
| Squadron code YP | No. 23 Squadron RAF |
| Squadron code YP | No. 165 Squadron RAF |
| Squadron code YQ | No. 217 Squadron RAF |
| Squadron code YQ | No. 616 Squadron RAF |
| Squadron code YR | No. 133 Squadron RAF |
| Squadron code YR | No. 20 Operational Training Unit RAF |
| Squadron code YS | No. 77 Squadron RAF |
| Squadron code YS | No. 271 Squadron RAF |
| Squadron code YT | No. 65 Squadron RAF |
| Squadron code YT | No. 648 Squadron RAF |
| Squadron code YU | Station Flight?RAF Lossiemouth |
| Squadron code YV | No. 287 Squadron RAF |
| Squadron code YV | No. 48 Group Communication Flight |
| Squadron code YW | No. 515 Squadron RAF |
| Squadron code YW | No. 1660 Conversion Unit RAF |
| Squadron code YW | No. 230 Operational Conversion Unit RAF |
| Squadron code YX | No. 54 Operational Training Unit RAF |
| Squadron code YX | No. 614 Squadron RAF |
| Squadron code YY | No. 1332 Conversion Unit RAF |
| Squadron code YY | No. 241 Operational Conversion Unit RAF |
| Squadron code YY | No. 78 Squadron RAF |
| Squadron code YZ | No. 146 Squadron RAF |
| Squadron code YZ | No. 617 Squadron RAF |
| Squadron code YZ | No. 1651 Conversion Unit RAF |
| Squadron code Z | No. 205 Advanced Flying School |
| Squadron code Z | No. 3 Air Navigation School |
| Squadron code Z | No. 229 Operational Conversion Unit RAF |
| Squadron code Z | No. 5 Flying Training School |
| Squadron code Z2 | No. 437 Squadron RCAF |
| Squadron code Z4 | No. 10 Maintenance Unit RAF |
| Squadron code Z5 | No. 462 Squadron RAF |
| Squadron code Z8 | No. 45 Maintenance Unit RAF |
| Squadron code Z9 | No. 519 Squadron RAF |
| Squadron code ZA | No. 10 Squadron RAF |
| Squadron code ZA | No. 31 Squadron RAF |
| Squadron code ZA | Metropolitan Communication Flight |
| Squadron code ZB | No. 1658 Conversion Unit RAF |
| Squadron code ZD | No. 6 Squadron RAF |
| Squadron code ZD | No. 116 Squadron RAF |
| Squadron code ZD | No. 222 Squadron RAF |
| Squadron code ZE | No. 52 Squadron RAF |
| Squadron code ZE | No. 123 Squadron RAF |
| Squadron code ZE | No. 293 Squadron RAF |
| Squadron code ZE | Central Fighter Establishment |
| Squadron code ZF | No. 308 Squadron RAF |
| Squadron code ZF | No. 549 Squadron RAF |
| Squadron code ZG | No. 94 Squadron RAF |
| Squadron code ZG | No. 322 Squadron RAF |
| Squadron code ZG | No. 10 Operational Training Unit RAF |
| Squadron code ZH | No. 266 Squadron RAF |
| Squadron code ZH | No. 501 Squadron RAF |
| Squadron code ZJ | No. 96 Squadron RAF |
| Squadron code ZJ | No. 271 Squadron RAF |
| Squadron code ZK | No. 24 Squadron RAF |
| Squadron code ZK | No. 25 Squadron RAF |
| Squadron code ZL | No. 77 Squadron RAF |
| Squadron code ZL | No. 427 Squadron RCAF |
| Squadron code ZM | No. 185 Squadron RAF |
| Squadron code ZM | No. 201 Squadron RAF |
| Squadron code ZN | No. 106 Squadron RAF |
| Squadron code ZN | No. 300 Squadron RAF |
| Squadron code ZO | No. 196 Squadron RAF |
| Squadron code ZP | 15 Squadron SAAF |
| Squadron code ZP | No. 74 Squadron RAF |
| Squadron code ZP | No. 336 Squadron RAF |
| Squadron code ZP | No. 457 Squadron RAF |
| Squadron code ZP | No. 1473 Flight RAF |
| Squadron code ZP | No. 25 Operational Training Unit RAF |
| Squadron code ZQ | No. 322 Squadron RAF |
| Squadron code ZQ | Bomber Command Instructors School |
| Squadron code ZQ | Fighter Interception Unit |
| Squadron code ZQ | Central Fighter Establishment |
| Squadron code ZR | No. 309 Squadron RAF |
| Squadron code ZR | No. 613 Squadron RAF |
| Squadron code ZR | No. 2 Operational Training Unit RAF |
| Squadron code ZR | No. 107 Operational Training Unit RAF |
| Squadron code ZR | No. 1333 Conversion Unit RAF |
| Squadron code ZS | No. 233 Squadron RAF |
| Squadron code ZS | No. 647 Squadron RAF |
| Squadron code ZS | No. 1336 Conversion Unit RAF |
| Squadron code ZT | No. 97 Squadron RAF |
| Squadron code ZT | No. 258 Squadron RAF |
| Squadron code ZT | No. 602 Squadron RAF |
| Squadron code ZT | No. 20 Operational Training Unit RAF |
| Squadron code ZU | No. 1664 Conversion Unit RAF |
| Squadron code ZV | No. 19 Operational Training Unit RAF |
| Squadron code ZW | No. 48 Squadron RAF |
| Squadron code ZW | No. 140 Squadron RAF |
| Squadron code ZW | No. 1359 Flight RAF |
| Squadron code ZX | No. 145 Squadron RAF |
| Squadron code ZX | Polish Fighting Team |
| Squadron code ZX | No. 3 Tactical Exercise Unit |
| Squadron code ZX | No. 55 Operational Training Unit RAF |
| Squadron code ZY | No. 247 Squadron RAF |
| Squadron code ZZ | No. 220 Squadron RAF |
| SR | Strategic Reconnaissance |
| Sr | Senior |
| SR | Strength Return |
| SR | Supplementary Reserve |
| SR | Special Reserve |
| SR | Scottish Regiment |
| SR | Scottish Rifles (The Cameronians) |
| SR | Special Reserve or Sound Ranging or Spotter Reconnaissance or Supplementary Reserve |
| SR | Send Replies |
| SR&BRCA | Survey Regiment & Battery, Royal Canadian Artillery |
| SRAF | Southern Rhodesian Air Force |
| SRARNAH | Surgeon Rear Admiral Royal Navy Auxiliary Hospital |
| SRBRCA | Sound Ranging Battery, Royal Canadian Artillery |
| SRC | Signals Refresher Course |
| SRCU | Short Range Conversion Unit |
| SRD | Special Radar Detachment |
| SRD | Special Recruiting Detachment |
| SRD | Supply Reserve Depot |
| SRDE | Signals Research and Development Estblishment |
| SRE | Sound Reproduction Equipment |
| SRF | School of Refresher Flying; or Sea Rescue Flight; or Search& Rescue Flight |
| SRG | Special Reinforcement Group |
| SRH | Supply railhead |
| SRH | Supply Railhead |
| SRItoSRRCA | Sound Ranging Increment to Survey Regiment, Royal Canadian Artillery |
| SRMGD | Sherbrooke Regiment Machine Gun Depot |
| SRNO | Senior Royal Navy Officer |
| SRNO | Squadron Royal Marine Officer |
| SRO | Supplementary Reserve of Officers |
| SRO | Squadron Physical and Recreational Training Officer |
| SROS | Station Routine Orders |
| SRP | Supply Refilling Point |
| SRRCA | Searchlight Regiment, Royal Canadian Artillery |
| SRRCA | Survey Regiment, Royal Canadian Artillery |
| SRRD | Special Repair Ratings (Dockyard) |
| SRS | Syllabus Regimental Schools |
| SRTS | Short Range Transport Squadron |
| SRTU | Survival& Rescue Training Unit |
| SRU | Strategic Reconnaissance Unit |
| SRU | Signal Reinforcement Unit |
| SRW | Strategic Reconnaissance Wing |
| SS | Signals School; or Salvage Section; or Steamship |
| ss | shell shock |
| SS | Sanitary Section |
| SS | Special Service |
| SS | Supply Special |
| SS | Steamship - transport vessel used to carry troops and equipment |
| SS | Submarine (U.S.) |
| SS | Staff Sergeant or Self-Sealing or Single Shot |
| SS | Signals School or Steamship or Signal Squadron |
| SS Brigade | Special Service Brigade |
| SS Sigs | Deputy Director of Signals |
| SS(British) | Special Service |
| SS(German) | Schutzstaffeln, Nazi party organizations; including elite military units and formations |
| SS/T | Super Sonic Telegraphy |
| SSA | Ship's Steward's Assistant |
| SSA | Short Service Appointment |
| SSaskR | South Saskatchewan Regiment |
| SSB | Special Service Battalion |
| SSB | Superintendent of Shipbuilding |
| SSC | Senior Supervisor's Course |
| SSC | Secretary Naval Staff Committee |
| SSC | Sector Searchlight Commander |
| SSCO | Searchlight Sector Control Officer |
| SSCRU | Signals Section Canadian Reinforcement Units |
| SSDRCOC | Special Salvage Detachment, Royal Canadian Ordnance Corps |
| SSE | Superintendent Admiralty Signal Establishment |
| SSE | Staff Sergeant |
| SSEAP | Summer Student Employment Assistance Program |
| SSEIN | Staff Sergeant Instructor |
| SSF | Special Service Flight; or Special Survey Flight |
| SSF | Single-seater Fighter |
| SSGT | Staff sergeant |
| SSGT | Staff Sergeant |
| SSIB | Special Services Infantry Battalion |
| SSK | Long Range Diesel Patrol Submarine |
| SSM | Staff or squadron serjeant-major |
| SSM | Squadron Sergeant Major; or Surface to Surface Missile |
| SSM | Squadron Sergeant-Major |
| SSM | Staff Sergeant-Major |
| SSM | Staff or Squadron Sergeant Major |
| SSM&SR | Sault Ste. Marie & Sudbury Regiment |
| SSMB | Ship's Service Man B Barber. |
| SSMC | Ship's Service Man C Cobbler. |
| SSMI | Squadron Sergeant-Major Instructor |
| SSML | Ship's Service Man L Laundryman. |
| SSMT | Ship's Service Man T Tailor. |
| SSN | Nuclear Powered Attack Submarine |
| SSO | Special Signals Office or Squadron Signal Officer |
| SSO | Senior Staff Officer |
| SSO | Special Service Officer |
| SSOS | Station Standing Orders |
| SSpec | Security Specialist |
| SSQ | Station Sick Quarters |
| SSR | The Shan States Regiment |
| SSR | South Saskatchewan Regiment |
| SSRC | Small Scale Raiding Craft |
| SSRCA | Special Section, Royal Canadian Artillery |
| SSRF | Small Scale Raiding Force |
| SSS | Security Service Section |
| SSS&S-S | Sussex Services Staff & Sub-Staff |
| SST | Secretary Strathcona Trust |
| SStaffsR | South Staffordshire Regiment |
| SSTech | Safety Systems Technician |
| SSteM&S | The Sault Ste. Marie and Sudbury Regiment |
| SSTO | Superintending Sea Transport Officer |
| SSTT | Supplementary School of Technical Training |
| SSU | Sentry Standards Unit |
| SSVAF | Straight Settlement Volunteer Air Force |
| SSVC | Services Sound and Vision Corporation |
| SSVF | Straits Settlements Volunteer Force |
| St | Steward Take charge of mess arrangements. |
| St | Staff |
| St | Standing |
| ST | Ship's Storeman |
| ST | Seaman Torpedoman |
| ST | Steward |
| ST | Supply and Transport or Sticky type (grenande) |
| ST-SE | Staff Sergeant |
| St1c | Steward, First Class |
| St2c | Steward, Second Class |
| St3c | Steward, Third Class |
| STA | Station |
| Sta | Stationary |
| STA | Station |
| STAFFS YEO | Staffordshire Yeomanry (TA) |
| StaffYeo | Staffordshire Yeomanry |
| STANAG | NATO Standardization Agreements |
| Stat | Stationary |
| StatEng | Stationary Engineer |
| StatHosp | Stationary Hospital |
| Stats | Statistics |
| Staty | Stationary Hospital - large movable hospital of between 400 and 1,000 beds |
| StatyHosp | Stationary Hospital - large movable hospital of between 400 and 1,000 beds |
| STC | Signal Training Centre or Senior Training Corps or Spcial Training Centre |
| STCDB | Special Tunnelling Company Detachment "B" |
| STD | Signals Training Detachment |
| STD | Steward |
| STDU | Synthetic Training Development Unit; or Special Torpedo Development Unit |
| STE | Stokers' Training Establishment |
| STED | Superintendent of Torpedo Experimental Design |
| Steno | Stenographic Pool |
| STEP | Skilled Trades Entry Plan |
| STEREO | Stereoscope or stereoscopic |
| Stereo | Stereoscope or Stereoscopie |
| Stew | Steward |
| STF | Seaplane Training Flight; or Special Training Flight |
| StFXU | Saint Francis Xavier University |
| StJFus | St. John Fusiliers |
| StJohn Fus | The Saint John Fusiliers Regiment |
| StJSofAI | St. Jerome School of Army Instruction |
| STK | Special Tanker |
| STK | Stockbroker |
| StM | Steward's Mate Serve at table in officers' mess. |
| StM1c | Steward's Mate, First Class |
| StM2c | Steward's Mate, Second Class |
| StM3c | Steward's Mate, Third Class |
| STN | Station |
| STN | Station |
| Sto | Stoker |
| STO | Sea Transport Officer |
| STO | Squadron Torpedo Officer |
| Sto 1c (or 2c) | Stoker, 1st Class (or 2nd Class) |
| STOL | Short Take Off and Landing |
| STP | Supervision Training Personnel |
| STR | Strength or seater |
| Str | Strength |
| STR | Seater |
| STRAT R | Strategical reconnaissance |
| Strat T | Strategical Reconnaissance |
| STS | Seaplane Training Squadron; or Special Transport Flight |
| STT | School of Technical Training |
| STTD | Senior Technician (Naval) |
| STTD | Senior Technician, Technical Davison |
| Stwd | Steward |
| Stwd(Prob) | Steward (Probationer) |
| SU | Support Unit; or Servicing Unit |
| SU | Signals Units |
| SU | Staging Unit |
| SU | Staging Units |
| SU | Surgeon |
| SU | Salvage Unit |
| SUACW | Sub-Unit Assumption College Windsor |
| SUB | Subaltern |
| SUB | Submarine |
| SUB | Subaltern |
| Sub-Lieut | Sub-Lieutenant |
| Suballce | Subsistence Allowance |
| SUBJ | Subject |
| Subs | Subsequently |
| SUEP | Subsidized University Education Plans |
| SUFFOLK | Suffolk Regiment |
| SUFFOLK | The Suffolk Regiment |
| Suffolk (Suf) | The Suffolk Regiment |
| SuffR | Suffolk Regiment |
| SuffYeo | Suffolk Yeomanry |
| SUMA | Surgeon Major |
| SUMIRCEME | Section Unit Maintenance Inspection, Royal Canadian Electrical and Mechanical Engineers |
| SUNWMP | Superintendent North West Mounted Police |
| SUP | Supply or supplied |
| Sup | Supply |
| Sup | Supplement |
| SUP | Supply Officer |
| SUP | Supply |
| SUP (Dpo) (O) (P) | Supply (Depot) (Officer) (Point) |
| SUP P | Supply point |
| SUP P | Supply Point |
| Sup. | Supply |
| SUPE | Superintendent |
| SUPEG | Eastern Group Supply Council |
| SUPERHY | Superheavy |
| Supp | Supplement |
| SUPP RES | Res Supplementary Reserve |
| SuppPtIIO(C) | Supplementary Part II Orders (Consolidated) |
| SuppPtIIOrdersUEUKwithAAI(C) | Supplementary Part II Orders Units Expeditionary United Kingdom with Allied Armies in Italy (Consolidated) |
| SuptARY | Superintendent Aircraft Repair Yard |
| SupTech | Supply Technician |
| Supvr | Supervisor |
| SUPY | Supernumery |
| Surg | Surgeon |
| Surg(Rank) | Surgeon (Rank) |
| Surg(Rank)forDD | Surgeon (Rank) for Dental Duties |
| SurgGen | Surgeon General |
| Surp | Surplus |
| SURREYS | East Surrey Regiment |
| SURREYS | The East Surrey Regiment |
| Surreys (Sury) | The East Surrey Regiment |
| SurvCE | Surveyor Construction Engineering |
| SUS | Soldier Under Sentence |
| SussYeo | Sussex Yeomanry |
| SV | Supply Vessels |
| SV | Survey or Striking Velocity or Single Valve |
| SVC BN | BN Service Battalion |
| SVCBN | Service Battalion |
| Svce | Service |
| SVD | Superintendent Victuallying Depot |
| SVEO(M) | Senior Vernon Equipment Officer (Maintenance) |
| SVSO | Superintending Victuallying Store Officer |
| SVY | Survey |
| SVY | Survey |
| Svy. | Survey |
| Svy(s) | Survey(s) |
| SvyBty(Regt) | Survey Battery (Regiment), Royal Canadian Artillery |
| SvyCoy | Survey Company, Royal Canadian Engineers |
| SW | Shrapnel (Shell) Wound |
| SW | Shell or Shrapnel Wound - wound type of wound received from shrapnel or shell fragment |
| SW | Steward |
| SW | Shrapnel Wound or Static Workshop (REME) or Southwest or Short Wave |
| SW/SRCOC | Sub Workshop, Royal Canadian Ordnance Corps |
| SW/TO | Staff Wireless Telegraphy Officer (Naval) |
| SWA | South West Atlantic Area |
| SWAFIS | South Western Areas Flying Instructors School |
| SWalesBord | South Wales Borderers |
| SWB | The South Wales Borderers Regiment |
| SWB | South Wales Borderers |
| SWB | South Wales Borderers |
| SWBD | Switchboard |
| SWBD | Switchboard |
| SWD | Superintendent of Welding Development |
| SWD(N)(MS) | Superintendent of Welding Development (Naval) (Merchant Shipping) |
| SWG | Standard Wire Gauge |
| SWGISCIC | Special Wireless Group Intelligence Section, Canadian Intelligence Corps |
| SWGRCS | Special Wireless Group, Royal Canadian Signals |
| SWO | Station Warrant Officer |
| SWO | Squadron Wireless Telegraphy Officer |
| SWPA | South West Pacific Area |
| SWPAKFRON | South-west Pacific Sea Frontier |
| SWRCEME | Sub Workshop, Royal Canadian Electrical and Mechanical Engineers |
| SWS | Special Wireless Station, Royal Canadian Signals |
| SWTS | Supplementary Wireless Telegraphy School |
| SWUAS | South Wales University Air Squadron |
| SY | The Staffordshire Yeomanry (Queens Own Royal Regiment) |
| SY | Staffordshire Yeomanry |
| T | Transmitter |
| T | Telegrapher Send and receive cables. |
| T | Training |
| T | Territorial |
| T | Torpedo |
| T | Transport or Territorial or Transmitter |
| T Admn | Administrative Training |
| T EX | Telephone Exchange |
| T of F | Time of Flight |
| T.T. | Trade Training |
| T(B)TC | Temporary (Basic) Training Centre |
| T(No)B | Treasury Board Minutes |
| T/ | Temporary (appointed rank) |
| T/A | Torpedo Aircraft |
| T/F/SGT. | Temporary Flight Sergeant |
| T/O | Take Off |
| T/P | Teleprinter |
| T/R | Transmitter/Receiver |
| T/SGNT. | Temporary Sergeant |
| T/W/O | Temporary Warrant Officer |
| T&DU | Trials & Demonstration Unit |
| T&SWCACTE | Technical & Schools Wing, Canadian Armoured Corps Training Establishment |
| T&T | Through & Through |
| T1c | Telegrapher, First Class |
| T2c | Telegrapher, 2d Class |
| T3c | Telegrapher, Third Class |
| TA | Territorial Army (Reserves) |
| TA | Territorial Army |
| TA | Torpedo Armourer |
| TA | Territorial Army |
| TA (W) | Territorial Army for Duration of War |
| TA-TkBRCA | Training Anti-Tank Battery, Royal Canadian Artillery |
| TAB | Tactical Advance to Battle |
| TABTD | Vaccine Against Typhoid, Paratyphoid A & B, Tetanus & Diphtheria |
| TAC | Tactical; or Translation accuracy check |
| TAC | Tactical Air Command |
| TAC | Tactical or Tactics |
| TAC R | Tactical reconnaissance |
| TAC R | Tactical Reconnaissance |
| TACEVAL | Tactical Evaluation |
| TAD | Tactical Air Depots |
| TADU | Target Aircraft Development Unit; or Training Aids Development Unit |
| TAF | Tactical Air Force |
| TAF | Temporary Air Facilities |
| TAFSU | Tactical Air Force Support Unit |
| TAG | Telegraphist Air Gunner (Fleet Air Arm) |
| TAG | Trinidad-Guantanamo Convoy |
| TAGS | Telegraphist Air Gunner's School |
| TAI | Target Area of Interest |
| TAMU | Transport Aircraft Maintenance/Modification Unit |
| TankAux | Tankers (Auxiliary) |
| TankFA | Tankers Fleet Auxiliary |
| TANS | Territorial Army Nursing Service |
| TANS | Territorial Army Nursing Service |
| TAR | Tar-penetrated Macadam |
| TARU | Transport Aircraft Repair Unit |
| Tas | Tasmania (Australian state) |
| TASC | Training Area Selection Committee |
| TATP | Technical Apprentice Training Plan |
| TB | Torpedo Bomber; or Treasury Board |
| TB | Training Battalion or Topedo Bomber |
| TBF | Torpedo Bomber Fighter |
| TBG | Training Brigade Group |
| TBS | Torpedo & Bombing School; or Treasury Board of Canada Secretariat |
| TBW/SRCOC | Training Brigade Workshop, Royal Canadian Ordnance Corps |
| TC | Training Command (Later Transport Command); or Training Centre |
| TC | Traffic control |
| TC | Turret Captain Take charge of gun turret and crew. Assemble and repair guns. Handle ammunition. Operate periscopes and range finders. |
| TC | Transit Camp |
| TC | Training Centre |
| TC | Tunnelling Company |
| TC | Torpedo Coxswain |
| TC | Training Centre or Training Command or Traffic Control |
| TC | Tunnelling Company or Troop Commander |
| TC1c | Turret Captain, First Class |
| TCAC(CO) | The Canadian Armoured Corps (Corps Orders) |
| TCADSRCCS | Troop Canadian Armoured Division Signals, Royal Canadian Corps of Signals |
| TCAEU | Transport Command Aircrew Examining Unit |
| TCASF | Transport Command Air Support Flight |
| TCBU | Transport Command Base Unit |
| TCC | Traffic Control Company |
| TCCCS | Tactical Command, Control and Communications System |
| TCCRCASC | Training Composite Company, Royal Canadian Army Service Corps |
| TCDU/F | Transport Command Development Unit |
| TCEU | Transport Command Examining Unit |
| TCFCS | Transport Command Flight Commanders School |
| TCHRCAMC | Toronto Convalescent Hospital, Royal Canadian Army Medical Corps |
| TCICU | Transport Command Initial Conversion Unit |
| TCL | Tentacle |
| TCMF | Transport Command Meteorological Flight |
| TCNVTS | Transport Command Night Vision Training School |
| TCP | Traffic Control Point |
| TCP | Time Credit for Promotion |
| TCP | Traffic Control Post |
| TCPS | Transport Command Practice Flight |
| TCRCAMC | Training Command, Royal Canadian Army Medical Corps |
| TCS | Transport Conversion Squadron |
| TCU | Transport Conversion Unit |
| TCV | Troop Carrying Vehicle |
| TCV | Troop Carring Vehicle. |
| TCV | Troop Carrying Vehicle |
| TCV | Troop Carrying Vehicle |
| TD | Temporary Duty |
| TD | Training Depot |
| TD | Temporary Duty |
| TD | Torpedo Detector |
| TD | Temporary Duty or Tractor-drawn or Territorial Decoration |
| TDDEE | Task Design Development Experimental Establishment |
| TDF | Test and Development Flight |
| TDR | Tank Delivery Regiment |
| TDS | Training Depot Station |
| TDS | Tank Delivery Squadron |
| TDU | Tactical Development Unit |
| TDU | Torpedo Development Unit |
| TDU/F/S | Torpedo Development Unit/Flight/Section |
| TE | Teamster |
| TE | Training Establishment or Tangent Elevation |
| TEC3 | Technician Third Grade |
| TEC4 | Technician Fourth Grade |
| TEC5 | Technician Fith Grade |
| TECH | Technical |
| TECH | Technical |
| Tech. | Technical |
| TechAMed | Technical Assistant Medical |
| TEE | Test & Evaluation Establishment |
| TEE | Test and Evaluation Establishment |
| Tel | Telegram |
| Tel | Telegraphist |
| Tel | Telephone |
| TEL | Telephone |
| Tel(SO) | Telegraphist (Special Operator) |
| TELE | Telephone |
| Tele | Telegraph or telegraphic |
| Tele | Telephone |
| TelMSupt(A) | Telecommunications Maintenance Superintendent (Air) |
| TelMSupt(G) | Telecommunications Maintenance Superintendent (Ground) |
| TEO | Torpedo Engineer Officer |
| TEREME | Training Establishment, Royal Electrical and Mechanical Engineers (British Unit) |
| TES | Technical and Engineer School |
| TEU | Tactical Exercise Unit |
| TEV | Terminal Equipment Vehicle. Contained switchboards and teleprinters |
| TEWL | Tactical Exercise Without Leaders (derogatory term) |
| TEWT | Training Exercise Without Troops |
| TF | Training Flight; or Task Force |
| TF | Task Force |
| TF | Territorial Force |
| TF | Training Flight |
| TFC | Traffic |
| TFC | Time of 1st Gall (U.S.) |
| TFC | Traffic |
| TFCRCE | Training Field Company, Royal Canadian Engineers |
| TFD | Transferred |
| TFD | Transferred |
| TFEM | Territorial Force Efficiency Medal |
| TFF | Target Facilities Flight |
| TFNS | Territorial Force Nursing Service |
| TFP | Training Ferry Pool |
| TFPP | Temporary Ferry Pilots School; or Training Ferry Pilots Pool |
| TFRRCA | Training Field Regiment, Royal Canadian Artillery |
| TFS/F | Target Facilities Squadron |
| TFU | Telecommunications Flying Unit |
| TFWM | Territorial Force War Medal |
| TG | Telegraph or telegraphic |
| TG | Task Group |
| TG | Training |
| TGM | Torpedo Gunner's Mate |
| TGT | Target |
| TGT | Target |
| TgTech | Telegraph Technician |
| TGTS | Targets |
| TH | Trinidad-Halifax convoy |
| THA | The Transvaal Horse Artillery |
| THB | The Tower Hamlets Rifle Regiment |
| THCP | Tin Hats Concert Party |
| THGHRCAMC | The Horseman General Hospital, Royal Canadian Army Medical Corps |
| THI | Time Handed In |
| THI | Time Handed In |
| THU | Temporary Holding Unit |
| THV | Trinity House Vessel |
| TI | Target Indicator; or Time In; or Trial Installation |
| TI | Technique of Instruction |
| TI | Torpedo/Anti-Submarine Instructor |
| TIC | Troops In Contact |
| TID | Tour of Instructional Duty |
| TIMEX | Time-Expired |
| TIMEX | Time Expired |
| TIMS | Toxic Industrial Materials |
| TIU | Training Incoming Units |
| TK | Tank |
| tk | Tank Delivery Regiment |
| Tk | Tank |
| TK | Tank |
| Tk(s) | Tank(s) |
| TL | Trade Level (obsolete term for course training levels, ex. TL 2, TL 3 ...) |
| TL | Trade Level |
| TLA | Three Letter Acronym |
| TLAABRCA | Training Light Anti-Aircraft Battery, Royal Canadian Artillery |
| TLC | Tank Landing Craft |
| TLC | Tank Landing Craft |
| Tlr | Tailor |
| TLS | Temperate Land Scheme |
| TLTS | Technical Landline Training School |
| TM | Trench Mortar |
| TM | Torpedoman's Mate Lubricate, assemble, charge and fire torpedoes. Lay mines and drop depth charges. |
| TM | Trench Mortar |
| TM | Trench Mortar |
| TM1c | Torpedoman's Mate, First Class |
| TM2c | Torpedoman's Mate, Second Class |
| TM3c | Torpedoman's Mate, Third Class |
| TMB | Trench Mortar Battery |
| TMB | Trench Mortar Battery - small- to medium-calibre mortars used in infantry support and to shell enemy trenches |
| TMB | Trench Mortar Battery |
| TMC | Thompson machine carbine |
| TMC | Thompson Machine Carbine |
| TMCA | Terrace Military Camp Area |
| TME | Torpedoman's Mate E Torpedoman's mate, electrical. |
| TMH | Toronto Military Hospital |
| TMH | Tracadie Military Hospital |
| TMHRCAMC | Terrace Military Hospital, Royal Canadian Army Medical Corps |
| TMO | Technical Maintenance Officer |
| TMR | The Midland Regiment |
| TMSBP | Theater Mission Specific Battle Procedure |
| TMST | Theater Mission Specific Training |
| TMT | Technician of Motor Transport |
| TMV | Torpedoman's Mate V Torpedoman's mate assigned to aviation activities. |
| TN | Transportation or Transport |
| TN | Transportation |
| TNG | Training |
| TNG REGT | Training Regiment |
| TNHP | TNH Praha |
| Tnig | Tunnelling |
| TNT | Trinitrotoluene |
| TNT/BX | TNT Beeswax |
| TO | Transport Officer (only when used with bde, bn, etc) |
| TO | Transport Officer (only when used with bde, bn, etc.) |
| TO | Training Officer |
| TO | Torpedo Officer |
| TO | Telegraph Operator |
| TO | Transport Officer or Torpedo Officer |
| TO | Transport Officer |
| TO & E | & E Table of Organization and Equipment |
| TO-in-C | Tank Officer in Charge |
| TOD | Time of Despatch or Time of Delivery (U.S.) |
| TOET | Test of Elementary Training |
| TOETs | Tests of Elementary Training |
| TOF | Time of Flight |
| tOME | Ordnance Mechanical Engineer |
| TOO | Time of Origin |
| TOO | Time of Origin |
| TOp | Teletype Operator |
| topo | topographic(al) |
| TOR | Time of Receipt (U.S.) |
| TOR | Time of Receipt |
| Tor Scot R | The Toronto Scottish Regiment |
| TOR(T) | The Ontario Regiment (Tank) |
| TORP | Torpedo (U.S.) |
| TOS | Taken on strength (of a unit); or Terms of Service |
| TOS | Terms of Service |
| TOS | Taken on Strength - entry of a soldier to a unit |
| TOS | Taken on Strength or Terms of Service |
| TOT | Time On Target |
| Tot | Total |
| TOUREX | Tour-Expired |
| TOW | Tube-launched Optically-tracked Wire-guided missile |
| TP | Troop; or Training Plan |
| TP | Traffic post |
| TP | Training Plan |
| TP | Temporary Pay |
| TP | Trumpeter |
| TP | Test Pilot or Traffic Post or Troop or Training Progress |
| TP CG COY | Troop Carrying Company |
| Tp(s) | Troop(s) |
| TPCCourse | Telecommunications Performance Checker Course |
| TPDCPC | Training Provost Detachment Canadian Provost Corps |
| TPG | Temporary Parade Ground |
| TPO | Teleprinter Operator |
| TPR | Trooper |
| Tpr | Trooper - lowest rank in a cavalry unit |
| TPR | Trooper |
| TPR | Trooper |
| TPS | Test Pilots School |
| Tps | Troops |
| TPS | Troops |
| Tps. | Troops |
| TPT | Transport ; or Target practice tracer; or Third Party Targeting |
| Tpt | Transport |
| TPT | Transport or Tansportation |
| TPTD | Transported |
| TPTD | Transported |
| TPTR | Transporter |
| Tptr | Trumpeter |
| TPTR | Trumpeter |
| TQ | Trade Qualification (levels; obsolete term for course training levels, ex. TQ 2, TQ 3) |
| TQ | Tradesmens Qualification |
| TQ&E | Trade Qualifications and Employment |
| TQF | The Queens Flight |
| TQMS | Technical Quartermaster Sergeant |
| TR | Tire Repair |
| Tr | Training |
| TR | Training Records |
| TR | Trooper |
| TR | Training Reserve |
| TR | Troop |
| Trans | Transferred - to be sent from one unit or location to another |
| Transf | Transferred - to be sent from one unit or location to another |
| TransSqn | Transport Squadron (Royal Canadian Air Force) |
| Trav | Travel |
| TRE | Telecommunications Research Establishment |
| TRE | Temporary Reserve Employment |
| TRE | Technical Research Establishment |
| Tres(Army) | Chief Treasury Officer (Army) |
| Tres(Navy) | Chief Treasury Officer (Naval Services) |
| TRG | Training |
| trg | Training Centre |
| TRG | Training |
| TRG | Training |
| TRGO | Training Officer |
| TrgVes | Training Vessels |
| TRH | Their Royal Highnesses |
| Trlr | Trawler |
| TrngCoy | Training Company |
| TROF | Transport Officer |
| TRR | R?giment de Trois-Rivi?res (French only) |
| TRS | Tactical Reconnaissance Squadron; or Torpedo Refresher School |
| Trshp | Troop Ships |
| TRU | Transportable Radar Unit |
| TRU | Trumpeter |
| TRUMP | Tribal Class Update and Modernization Project |
| TRV | Torpedo Recovery Vessel |
| TS | The Transvaal Scottish Regiment |
| TS | Training School; or Training Squadron |
| TS | Trade School |
| TS | Top Secret |
| TS | Transport Specials |
| TS | Training School or Transvaal Scottish |
| TS(Records) | Trainees Section |
| TSBadge | Trained Soldier's Badge |
| TSC | Training Support Company |
| TSCU | Transport Support Conversion Unit |
| TSDS | Two Speed Destroyer Sweep |
| TSDSRCCS | Toronto Section Division Signals, Royal Canadian Corps of Signals |
| Tsfr | Transfer |
| TSGT | Technical Sergeant |
| TSM | Troop Sergeant Major |
| TSM | Troop Sergeant Major |
| TSO | Technical Staff Officer |
| TSPC | Transport Support Practice Camp |
| TSR | Torpedo Spotter Reconnaissance ; or Training and Support Request |
| TSR | Torpedo Spotting Reconnaissance (Aircraft) |
| TSR | Trained Soldier Regiment |
| TSR | Transport Special Reserve |
| TSR | Torpedo Scout Reconnaissance (plane) |
| TSR(MG) | Toronto Scottish Regiment (Machine Gun) |
| TSS | Temperate Sea Scheme |
| TSTS | Trade Selection Test Section |
| TSTU | Transport Support Training Unit |
| TSU | Technical Signals Unit |
| TSV | Torpedo School Vessel |
| TT | Target Towing |
| TT | Tonic Train |
| TT&G | Target Towing & Gunnery |
| TTC | Technical Training Command |
| TTC | Temporary Transit Camp |
| TTC | Temporary Training Centre |
| TTF | Target Towing Flight; or Towed Target Flight; or Tanker Training Flight; or Torpedo Training Flight; or Transport Training Flight |
| TTP'S | Tactics, Techniques and Procedures |
| TTS | Torpedo Training School/Squadron |
| TTS | Technical Training Schools |
| TTS | Trades Training School |
| TTU | Torpedo Training Unit; or Target Towing Unit |
| TU | Training Unit |
| TU | Tactical Urgency |
| TU | Task Unit |
| TU | Training Unit |
| TUA | TOW Under Armour |
| TunCoy | Tunnelling Company |
| Turco | Turn Round Control (Overlord) |
| TURP | Training Unit & Reserve School |
| TV | Tactical Vest |
| TVC | Thames Valley Camp |
| TW | Transport Warrant |
| TW | Travel Warrant |
| TWDU | Tactical Weapons Development Unit |
| TWO I/C | i/c Second In Command |
| TWU | Tactical Weapons Unit |
| TYNE SCOT | Tyneside Scottish (TA) |
| TyS | The Tynside Scottish Regiment |
| TZ | Tyneside Division |
| U | University |
| U | Unpaid |
| U/C | Undercarriage |
| U/I | Unidentified |
| U/i | Unidentified |
| U/S | Unserviceable |
| U/S | Unserviceable |
| U/T | under training |
| u/t | Under Training |
| UAS | University Air Squadron |
| UATC | University Air Training Corps |
| UATCS | University Air Training Corps Squadrons |
| UAV | Unmanned Aerial Vehicle |
| UC | United Kingdom-Caribbean convoy |
| UC | Undercarriage or Universall Call |
| UCC | United Church of Canada |
| UD | University Detachments |
| UDF | Union Defence Force |
| UED | Universal Equipment Depot |
| UET | Unit Equipment Table |
| UG | United States-Gibraltar convoy |
| UHF | Ultra High Frequency (radio) |
| UIC | Unit Identification Code |
| UK | United Kingdom |
| UK | United Kingdom |
| UKADGE | UK Air Defence Ground Environment |
| UKADR | UK Air Defence Region |
| UKALM | United Kingdom Air Liaison Mission |
| UKAR | United Kingdom Approach Routes |
| UKCC | United Kingdom Commercial Corporation |
| UKMF | United Kingdom Mobile Force |
| UKSA | United Kingdom Shipping Adviser |
| UL | Unattached List |
| ULNDHQ(D) | Unattached List National Defence Headquarters (Details) |
| ULO | University Liaison Officer |
| UM | Urgent memorandum |
| UM | Urgent Memorandum or Unit Mobilization |
| UMHRCAMC | Utopia Military Hospital, Royal Canadian Army Medical Corps |
| UMS | Unit Medical Section |
| UMS | Unit Medical Section |
| UMSP | Undergraduate Medical Subsidization Plan |
| UNAL | Unallotted |
| UNCLAS | Unclassified |
| UNCLASS | Unclassified |
| UNDOF | United Nations Disengagement Observer Force (Golan Heights) |
| UNEFME | United Nations Emergency Force Middle East |
| UNFICYP | United Nations Force in Cyprus |
| UNIFIL | United Nations Interim Force in Lebanon |
| UNIPOM | United Nations India Pakistan Observation Mission |
| Univ | University |
| unk | unknown - location of a soldier is not known |
| UNMOGIP | United Nations Military Observer Group in India and Pakistan |
| UNOGIL | United Nations Observer Group in Lebanon |
| UNPROFOR | United Nations Protection Force |
| UNSVC | Unserviceable |
| UNT | Untrained |
| UNTD | University Naval Training Division |
| UNTEA | United Nations Temporary Executive Authority in West Guinea |
| UNTSO | United Nations Truce Supervision Organization in Palestine |
| UNYOM | United Nations Yemen Observation Mission |
| UofT | University of Toronto |
| UofTO/STrCoy | University of Toronto Overseas Training Company |
| UOR | Urgent Operational Requirement |
| UP | Unrotating Projectile |
| UPDRCAPC | Unit Pay Detachment, Royal Canadian Army Pay Corps |
| UPDT | Unit Personnel Data Transaction |
| UPR | Unit Personnel Record (CF 478) |
| URDIS | Your Despatch (U.S.) |
| URS | Records Support Unit |
| URTP | University Reserve Training Plan |
| US | Unservicable |
| US | United States (of America) |
| US | United States |
| US of S | Under Secretary of State |
| US(A) | United States (Army) |
| USA | United States Army |
| USA | United States of America |
| USA | United States Army |
| USA | United States of America |
| USA | United States of America |
| USAAC | United States Army Air Corps |
| USAAC/F | United States Army Air Corps/Flight |
| USAAF | United States Army Air Forces |
| USAAF | United States Army Air Force |
| USAD | United States Army Depot (or Sub-Depot) |
| USAHS | United States Hospital Ship |
| USAT | United States Army Transport (U.S.) |
| USCG | United States Coast Guard |
| USCGC | United States Coast Guard Cutter |
| USDUE | United States Distinguished Unit Emblem |
| USED | United States Engineering Department |
| USLOM | United States Naval Senior Line Officer at - |
| USMC | United States Marine Corps |
| USMNAM | United States Military, Naval and Air Mission |
| USN | United States Navy |
| USNAAB | United States Naval Advanced Amphibious Base |
| USNAATB | United States Naval Advanced Amphibious Training Base |
| USNAATSB | United States Naval Advanced Amphibious Training Sub. Base |
| USNAMSB | United States Naval Advanced Maintenance Sub. Base |
| USNATB | United States Naval Amphibious Training Sub. Base |
| USNAVPO | United States Naval Port Officers |
| USNLOS | United States Naval Liaison Officers |
| USNR | Unites States Navy Reserve |
| USNSD | United States Naval Stores and Spare Parts Depot |
| USNTSD | United States Navy Technical Division |
| USRO | United States Routing Officers |
| USS | United States Ship |
| USShip | United States Ship |
| USSR | Union of Socialist Soviet Republics |
| UT | University Teaching Group |
| UT | Unsuitable for Training |
| UTO | Unit Training Officers |
| UTPM | University Training Plan (Men) |
| UTPM(CMC) | University Training Plan Men (at Canadian Military Colleges) |
| UTPM(U) | University Training Plan Men (At Civilian Universities) |
| UTPNCM | University Transfer Program (Non-Commissioned Member) |
| UTPNCM | University Training Plan Non-Commissioned Members |
| UV | Universal |
| UVF | Ulster Volunteer Force |
| UWOC | University of Western Ontario Contingent |
| UXB | Unexploded bomb(s) |
| UXB | Unexploded Bomb |
| UXO | Unexploded Ordnance |
| UXO | Unexploded Ordnance |
| V | Volunteers or Veterinary |
| V ADM | Vice Admiral |
| V-1 Div | Aircraft launching, landing and handling operations |
| V-12 Div | Fuzing and handling bombs and rockets |
| V-2 Div | Fueling, lubrication, and hangar deck plane handling |
| V-3 Div | Air Plot, Fly Control and Aerology |
| V-4 Div | Combat Information Center (CIC), and radar/radio maintenance |
| V-5 Div | Servicing and arming aircraft |
| V-A | Vice-Admiral |
| V-I | 14th Reinforcement Draft Overseas V1 |
| V-II | 14th Reinforcement Draft Overseas V2 |
| V/Chief | Vice Chief |
| V/S | Visual Signalling |
| V/S | Visual Signalling |
| V/T | Visual Telegraphy |
| V/T | Visual Telegraphy |
| V&FVAO | Vancouver & Fraser Valley Area Orders |
| VA | Victualling Assistant |
| VA | Vice-Admiral or Vickers-Armstrong |
| VA(No) | Vice-Admiral (No.) Battle Squadron |
| VAABH | Victor Animatophone and Bell & Howell |
| VAC | Veterans Affairs Canada |
| VAC(FleetorSqdn) | Vice-Admiral Commanding (Fleet or Squadron) |
| VACSTC | Vernon Army Cadet Summer Training Centre |
| VAD | Voluntary Aid Detachment |
| VAD | Voluntary Aid Division |
| VADM | Vice Admiral |
| VADM | Vice Admiral or Lieutenant General |
| VC | Victoria Cross |
| VC | Victoria Cross |
| VCAS | Vice Chief of the Air Staff |
| VCAS | Vice-Chief of the Air Staff |
| VCCO | Vice-Chief of Combined Operations |
| VCDCMSC | Valcartier Camp Detachment, Corps of Military Clerks |
| VCDS | Vice Chief of the Defence Staff |
| VCGS | Vice Chief of the General Staff |
| VCIGS | Vice Chief of the Imperial General Staff |
| VCIGS | Vice-Chief of the Imperial General Staff |
| VCMHRCAMC | Valcartier Camp Military Hospital, Royal Canadian Army Medical Corps |
| VCNO | Vice-Chief of Naval Operations (U.S.) |
| VCNS | Vice Chief of the Naval Staff |
| VCO | Viceroy's Commissioned Officer |
| VCP | Vehicle Check Point |
| VCP | Vehicle Check Point |
| VCR | Valve, Cathode-Ray (cathode-ray tube) |
| VCR | Veterans Care Regulations |
| VD | Volunteer Officer's Decoration |
| VD | Colonial Auxiliary Forces Officer's Decoration |
| VD | Venereal Disease |
| VD | Venereal Disease |
| VdeQ | Les Voltigeurs de Qu?bec |
| VDG | Venereal Disease - Gonorrhea |
| VDH | Valvular Disease of the Heart |
| VDS | Venereal Disease - Syphilis |
| VE | Verbal message |
| VE(J) | Victory in Europe (Japan) |
| VEB | Variable Elevation Beam |
| VEH | Vehicle |
| VEH | Vehicle |
| Veh. | Vehicle |
| veh(s) | vehicle(s) |
| VES | Veterinary Evacuating Station |
| VES | Veterinary Evacuating Station |
| VET | Veterinary |
| Vet | Veterinarian |
| VET | Veterinary |
| Vety | Veterinary |
| VFS | Verification of Former Service |
| VGofC | Veterans Guard of Canada |
| VGS | Volunteer Gliding School |
| VHF | Very High Frequency (radio) |
| VHF | Very High Frequency |
| VHF | Very High Frequncy |
| VHG | Veterans Home Guard (Now Veterans Guard of Canada) |
| VI | Vertical Interval |
| Vic | Victoria (Australian state) |
| VIE | Visual Indicating Equipment |
| VIF | Volunteers Interim Force |
| VIP | Veterans Independence Program |
| VIR | Vulcanized in Rubber |
| VIS | Visibility |
| VISTRE | Visual Inter-Service Training & Research Establishment |
| VLC | Victory Loan Convoy |
| VLF | Very Low Frequency |
| VLR | Very long Range |
| VMA | Vernon Military Area |
| VMC | Vernon Military Camp |
| VMC | Vehicle Maintenance Course |
| VMG | Vickers Machine Gun |
| VMH | Vancouver Military Hospital |
| VMH | Victoria Military Hospital |
| VMHRCAMC | Valleyfield Military Hospital, Royal Canadian Army Medical Corps |
| VMHRCAMC | Vermilion Military Hospital, Royal Canadian Army Medical Corps |
| VMHRCAMC | Vernon Military Hospital, Royal Canadian Army Medical Corps |
| VO | Veterinary Officer |
| VO | Verbal Order or Veterinary Officer |
| VOL | Voluntarily |
| Vol de Q | Les Voltiguers de Quebec Regiment |
| Voltigeurs | Les Voltigeurs de Qu?bec |
| VolTrans | Voluntary Transfer |
| VOR | VHF Omnidirectional Range (Radio Navigation Aid) |
| VP | Vulnerable point |
| VP | Vulnerable Point |
| VP COY CMP | Vulnerable Point Company Corps of Military |
| VPP | Volunerable Points Provost |
| VPT | Volunteered for Pacific Theatre |
| VQMG | Vice Quartermaster General |
| VR | Voluntary Release |
| VR | Volunteer Reserve |
| VR | Voluntry Release |
| VR of C | The Victoria Rifles of Canada Regiment |
| VRC | Victoria Rifles of Canada |
| VRD | Vehicle reserve depot |
| VRD | Naval Volunteer Reserve Decoration |
| VRD | Vehicle Repair Depot |
| VRD | Vehicle Reception Depot |
| VRDHQ | Volunteer Reserve Divisional Headquarters |
| VRofC | Victoria Rifles of Canada |
| VS | Visual signalling |
| VS | Veterinary Surgeon |
| VS | Victualling Storesman |
| VSDRCOC | Vancouver Sub Depot, Royal Canadian Ordnance Corps |
| VSIS | Victualling Store Issuing Ship |
| VSO | Victualling Store Officer |
| VSU | Veteran Surgeon |
| VTM | Vehicles to the mile |
| VTM | Vehicles to the mile |
| VTO | Visual Training Officer |
| VTS | Vocational Training School |
| w | wounded - injury caused by enemy action |
| W | West |
| W | Works |
| W DGNS | 2nd County of London Yeomanry (Westminster Dragoons) (TA) |
| W YORKS | West Yorks Regiment (The Prince of Wales's Own) |
| W YORKS | The West Yorkshire Regiment (The Prince of Wales's Own) |
| W Yorks (WYks) | The West Yorkshire Regiment (The Prince of Wales's Own) |
| W-CDR | Wing Commander |
| W-CMD | Western Command |
| W-V (S)2 | Officers of the Women's Reserve of the Volunteer Reserve appointed for emergency service. |
| w/ | with |
| W/C | Wing Commander |
| W/CDR | Wing Commander |
| W/K | Watchkeeping |
| W/Mech | Wireless Mechanic |
| W/O | Wireless Operator |
| W/OP | Wireless Operator |
| W/S | Workshop |
| W/S | War Substantive |
| W/T | Wireless Telegraphy (morse code communicatons) |
| W/T | Wireless Telegraphy |
| W/TBd | Wireless Telegraphy Board |
| W/TCal | Wireless Telegraphy Calibration Vessels |
| W/TO | Wireless Telegraphy Officer |
| W/TO | Wireless Telegraphy Officer |
| W/TStation | Wireless Telegraphy Station |
| W&B | Director of Works & Buildings (Naval) |
| W&PCRCE | Workshop & Park Company, Royal Canadian Engineers |
| W&SSOp | Water and Sanitation Service Operator |
| W&T | Wireless & Telephony |
| WA | West Africa or West African |
| WA | Watchman |
| WA | Western Approaches |
| WA | Weaponman Air |
| WA | West Africa or African |
| Wa/T | Warning Telephone |
| Wa/T | Warning Telephone |
| WAAC | Womens Army Auxiliary Corps (UK) |
| WAAC | Women's Auxiliary Army Corps |
| WAAC | Women's Army Auxillary Corps |
| WAAF | Women's Auxiliary Air Force |
| WAAF | Women's Auxillary Air Force |
| WAC | Western Air Command |
| WAC | War Assets Corporation |
| WAC | Women's Ambulance Corps |
| WACS | West Africa Communication Squadron |
| WAf | West Africa |
| WAFF | West Africa Frontier Force |
| WAG | Wireless Air Gunner |
| WAI | Waiter |
| WAMI | The Western Australian Mounted Infantry Regiment |
| WARD | WEstern Aircraft Repair Depot |
| WARWICK | Royal Warwickshire Regiment |
| WARWICK | The Royal Warwickshire Regiment |
| WARWICK YEO | Warwickshire Yeomanry (TA) |
| Warwicks (War) | The Royal Warwickshire Regiment |
| WarwickYeo | Warwickshire Yeomanry |
| WAt | Western Atlantic |
| Water Buffalo | LVT (Landing Vehicle Tracked) |
| WB | Whizz Bang |
| WBBV | Company of Waterborne Balloon Barrage Vessels |
| WC | Western Canada |
| WCAD | War Casualty Accounts Department |
| WCLC | Western Command Labour Company |
| WCO | War Cabinet Offices |
| WCRCE | Works Company, Royal Canadian Engineers |
| WCRCE(A) | Works Company, Royal Canadian Engineers (Active) |
| WCRCE(R) | Works Company, Royal Canadian Engineers (Reserve) |
| WCS | Western Communication Squadron |
| WD | Womens Division (Airforce) |
| WD | 2nd County of London Yeomanry Regiment (Westminster Dragoons) |
| Wd | wounded - injury caused by enemy action |
| WD | Women's Division |
| WD | War Diary |
| WD | War Department |
| WD | War Department or Westminister Dragoons |
| WDCF/U | Western Desert Communication Flight/Unit |
| WDCS | War Disease Control Station |
| WDU | Wireless Development Unit |
| WDV | War Dept. Vessel or Wreck Dispersal Vessel |
| WE | War Establishment (table of organization and equipment) |
| WE | War Establishment |
| WE | With Effect |
| WE | War Establishment |
| WEA | Weather (U.S.) |
| WECIS | War Establishment Committee Investigation Section |
| WEE | Wireless Experimental Establishment |
| WEF | With Effect From |
| WEF | Western Escort Force |
| WEF | Winter Experimental Flight |
| WEF | With Effect From |
| WELCH | Welch Regiment |
| WELCH | The Welch Regiment |
| Welch (Wch) | The Welch Regiment |
| Welsh R | Welsh Regiment |
| WelshH | Welsh Horse |
| WEM | Wireless Electrical Mechanic |
| WESEAFRON | Western Sea Frontier (U.S.) |
| West NSR | The West Nova Scotia Regiment |
| West&CumbYeo | Westmoreland & Cumberland Yeomanry |
| Westm R | The Westminster Regiment |
| WestmrR(Mot) | Westminster Regiment (Motor) |
| WestNSR | West Nova Scotia Regiment |
| WESTOMP | West Ocean Meeting Point |
| WETP | War Emergency Training Program |
| WF | Canadian Army Postal Corps # 1, Canadian Army Overseas |
| WF | Canadian Army Postal Corps # 1, 2, 3, 4, 5 |
| WF | Lewisporte, Newfoundland |
| WF | Phillips Head |
| WF | St. John's |
| WF | Government of Canada Canadian Troops |
| WF | W. Force (Newfoundland) |
| WF | Wiseman's Point |
| WFCRCEME | "W" Force Company, Royal Canadian Electrical and Mechanical Engineers |
| WFERCCS | Western Fortress Establishment, Royal Canadian Corps of Signals |
| WFODRCOC | "W" Force Ordnance Depot, Royal Canadian Ordnance Corps |
| WFPD | "W" Force Postal Detachment |
| WFSIS | "W" Force Security Intelligence Section |
| WG | Wing |
| WG | Welsh Guards (The Welsh Regiment of Foot Guards) |
| WG | Wing or Welsh Guards |
| WG CDR | Wing Commander |
| WG(MG) | Winnipeg Grenadiers (Machine Gun) |
| WGDS | Welsh Guards |
| Wgnr | Waggoner |
| WH | Wheel or wheeled |
| WH | Wheel or Wheeled |
| Whlr | Wheeler |
| WI | Wireless Inteligence |
| WIA | Wounded In Action |
| WICS | Wainwright Internment Camp Staff |
| WIDU | Wireless Intelligence Development Unit |
| WIHQDCRCE | (Welding) Increment Headquarters Drilling Company, Royal Canadian Engineers |
| WILTS | Wiltshire Regiment (Duke of Edinburgh's) |
| WILTS | The Wiltshire Regiment (Duke of Edinburgh's) |
| Wilts (Wilt) | The Wiltshire Regiment (Duke of Edinburgh's) |
| WiltsR | Wiltshire Regiment |
| Wiltsyeo | Wiltshire Yeomanry |
| WIR | West India Regiment |
| WIS(IC) | Wireless Intelligence Section (Intelligence Corps) |
| Wits (WR) | The Witwatersrand Rifles Regiment |
| WK | Watchkeeping Certificates |
| Wkr | Worker |
| wks | weeks |
| Wks | Works |
| Wks. | Works |
| WksCoy | Works Company |
| WkShop | Workshop Depot |
| WKSHOP | Workshop |
| Wkshp&PkCoy | Workshop and Park Company |
| Wksp | Workshop(s) |
| wksp | workshop |
| WKSP | Workshop |
| WL | Wagon Line |
| WL | Wing Leader |
| WL | Wing Leader or Wagon Line |
| WLI | The Winnipeg Light Infantry Regiment |
| WLI | Winnipeg Light Infantry |
| WLO | Wagon Line Officer |
| WM | Wireless Mechanic |
| WMH(HWE)RCAMC | Woodstock Military Hospital (Home War Establishment) Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Wetaskiwin Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Weston Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Windsor Military Hospital, Royal Canadian Army Medical Corps |
| WMH(RCAMC) | Wolsely Military Hospital, Royal Canadian Army Medical Corps |
| WNG O | Warning Order |
| WNSR | West Nova Scotia Regiment |
| WNYDN | Wounded Not Yet Determined Nervousness (Neurasthenia) |
| WO | Warrant Officer; or War Office (UK) |
| WO | War Office |
| WO | Warrant Officer |
| WO | War Office |
| WO | Warrant Officer |
| WO | Warrant Officer or War Office |
| WO 1 or 2 | Warrant Officer Class 1 or 2 |
| WO1 | Warrant Officer First Class |
| WO1 | Warrant Officer Class 1 or First Class |
| WO2 | Warrant Officer Second Class |
| WO2 | Warrant Officer Class 2 or Second Class |
| WOAG | Wireless Operator / Air Gunner |
| WOAS | While On Active Service |
| WOCARCE | Works Organization Canadian Army, Royal Canadian Engineers |
| WOCO | Wren Ordinary Communications Operator (Radio) Standard |
| WOI | Warrant Officer Class 1 |
| WOII | Warrant Officer Class 2 |
| WOIII | Warrant Officer, Class 3 |
| WOP | Wireless Operator |
| WOP/AG | Wireless Operator/Air Gunner |
| WOR | Western Ontario Regiment |
| WORC R | Worcestershire Regiment |
| WORC R | The Worcestershire Regiment |
| Worc R (Worc) | The Worcestershire Regiment |
| WorcR | Worcestershire Regiment |
| WorcYeo | Worcestershire Yeomanry |
| WORD | Western Ontario Regimental Depot |
| WOS | Wireless & Observers School/Wireless Operators School |
| WOSB | War Office Selection Board |
| WOT1 | War Office Type 1 Fire Tender |
| WOU | Wireless Operators Unit |
| WOU | Wireless Operators Unit |
| WP | Water Point |
| WP | Water Point |
| WPFG | Waterproofing |
| WPFG | Waterproofing |
| Wpg Gren | The Winnipeg Grenadiers Regiment |
| WPL | Western Hemisphere Defence Plan |
| WPN | Weapon |
| WPPS | Western Patrol Periodical Signal |
| WPS | Warship Production Superintendent |
| WR | Ship's Writer |
| WR | Writer |
| WR | Waterways and Railways |
| WR | West Riding |
| WR(M) | Westminster Regiment (Motor) |
| WRAF | Women's Royal Air Force |
| WRAFVR (T) | (T) Women's Royal Air Force Volunteer Reserve (Training branch) (disbanded with WRAF) |
| WRCNS | Women's Royal Canadian Naval Service |
| WRD | Wireless Relay Detachments |
| WRidR | West Riding Regiment |
| WRLS | Wireless |
| Wrls. | Wireless |
| WRNS | Women's Royal Naval Service |
| WRNS | Women's Royal Naval Service |
| WRR | West Riding Regiment |
| WRS | Wireless and Radio Schools |
| WS | Wireless School |
| WS | Warlike stores, war substantive or wireless set |
| WS | Wireless School |
| WS | Weaponman Surface |
| WS | Wireless Set |
| WSB | War Supply Board |
| WSC | War Staff College |
| WSG | War Service Gratuity |
| WSHCRCAMC | Women's Services Health Centre, Royal Canadian Army Medical Corps |
| WSI | War Service Increment |
| WSItoCASSU | Wireless Section Increment to Canadian Air Support Signal Unit |
| WSomYeo | West Somerset Yeomanry |
| WT | Weapon training or wireless telegraphy |
| WT | Water Tender Take charge of fireroom when under way. Maintain, repair, and overhaul boiler system. |
| wt | wireless telegraphy |
| Wt | Warrant |
| WT | Water Transport |
| WT | Weapon Training or Wireless Telegraphy |
| WT COY | Water Tank Company |
| WT1c | Water Tender, First Class |
| WT2c | Water Tender, Second Class |
| WT3C | Water Tender, Third Class |
| WtCatO | Warrant Catering Officer |
| WtCkO | Warrant Cook Officer |
| WTCS | War Transport Committee Suez |
| WTel | Warrant Telegraphist |
| Wtelegr | Warrant Telegraphist |
| WtEng | Warrant Engineer |
| WtMAA | Warrant Master At Arms |
| WtO | Warrant Officer |
| WTO | Western Theatre of Operations |
| WTO-AGP | World Trade Organization Agreement on Government Procurement |
| WtOffr | Warrant Officer |
| WtOO | Warrant Ordnance Officer |
| WTP | Wireless Testing Park |
| WtPatO | Warrant Patrol Officer |
| WtPhoto | Warrant Photographer |
| WTPP | With Travel Permit Provided |
| Wtr | Writer |
| WTS | Wireless Telegraphy School; or Weapons Training Squadron |
| WTS | Winter Training School |
| WtShpt | Warrant Shipwright |
| WtSO | Warrant Stores Officer |
| WTT | Wireless Telegraphy |
| WtW | Warrant Writer |
| WtWO | Warrant Writer Officer |
| WU | Weaponman Underwater |
| WUB | Working Up Base |
| WVA | War Veteran's Allowance |
| WW | World War |
| WWCP | Walking wounded collecting post |
| WWCP | Walking Wounded Collecting Post |
| WY | The Worwickshire Yeomanry Regiment |
| WY | Warwickshire Yeomanry |
| Wyorks | West Yorkshire Regiment |
| x | Yards |
| X | Section or Sections |
| X RD | Crossroad |
| X RDS | Cross roads |
| X-1 | Prisoners of war (verified) |
| X-1 POW (D) | Prisoners of War (Dieppe) |
| X-10 | All reinforcement personnel attached away from reinforcement units under appropriate authority |
| X-10LGLB | X-10 List General List B |
| X-11 | All Red Cross and Auxiliary services personnel |
| X-12 | At depot awaiting discharge |
| X-2 | All ranks under sentence of detention, imprisonment or penal servitude |
| X-3 | All ranks evacuated on medical grounds behind Regimental Aid Posts |
| X-4 | Unposted reinforcements in the theatre of war belonging to the unit or corps |
| X-4L | X-4 List |
| X-5 | All ranks on courses of twenty-one days or over in the theatre of war |
| X-6 | All ranks posted as missing |
| X-7 | All ranks seconded from the Canadian Army to other Allied Forces in the theatre of war |
| X-8 | All non-effective held at Base Reinforcement Units whose return to the UK has been authorized |
| X-9 | All personnel held at Base Reinforcement Units, who, for one reason or another, are not available as reinforcements and whose disposition is still to be decided |
| X-L"A"RCA | X-List "A" Royal Canadian Artillery |
| X-L(RCCS) | X-List (Royal Canadian Corps of Signals) |
| X-L(UK)GL | X-List (United Kingdom) General List |
| X-LCAC | X-List Canadian Armoured Corps |
| X-LCDC | X-List Canadian Dental Company |
| X-LCIC(CMF) | X-List Canadian Intelligence Corps (Central Mediterranean Force) |
| X-LCMSC | X-List Corps of Military Staff Clerks |
| X-LCoftheRCE | X-List Corps of the Royal Canadian Engineers |
| X-LCPC | X-List Canadian Postal Corps |
| X-LCProC | X-List Canadian Provost Corps |
| X-LCSGHQECMFD | X-List Canadian Section General Headquarters Echelon, Central Mediterranean Force Detachment |
| X-LCWAC | X-List Canadian Women's Army Corps |
| X-LGL | X-List General List |
| X-LGL(O) | X-List General List (Officers) |
| X-LGLSuppPtIIO | X-List General List Supplementary Part II Orders |
| X-List | List maintained by Units of Prisoners of War & Officers & Other Ranks who are missing due to enemy action |
| X-LofCL | X-List of Canloan List |
| X-LRC | X-List Red Cross |
| X-LRCA | X-List Royal Canadian Artillery |
| X-LRCA(A/TkR) | X-List Royal Canadian Artillery (Anti-Tank Regiments) |
| X-LRCA(AAR) | X-List Royal Canadian Artillery (Anti-Artillery Regiments) |
| X-LRCA(MR) | X-List Royal Canadian Artillery (Medium Regiments) |
| X-LRCA(SR) | X-List Royal Canadian Artillery (Survey Regiments) |
| X-LRCAMC | X-List Royal Canadian Army Medical Corps |
| X-LRCAPC | X-List Royal Canadian Army Pay Corps |
| X-LRCAS"B" | X-List Royal Canadian Artillery Section "B" |
| X-LRCASC | X-List Royal Canadian Army Service Corps |
| X-LRCASCBCBRD | X-List Royal Canadian Army Service Corps Battalion, Canadian Base Reinforcement Depot |
| X-LRCE | X-List Royal Canadian Engineers |
| X-LRCEME | X-List Royal Canadian Electrical and Mechanical Engineers |
| X-LRCOC | X-List Royal Canadian Ordnance Corps |
| X-LtoC"Q"L | X-List to Canadian "Q" List |
| X-NAL | X-North Africa List |
| XB | Halifax-Boston convoy |
| XDO | Extended Defence Officer |
| XLG(CMF) | X List General (Central Mediterranean Force) |
| XO | Executive Officer (Navy); 2nd in command, reports to the CO |
| XO | Executive Officer |
| XPM | Expanded Metal |
| XV | Examination Vessels |
| Y | Yeoman Take charge of ship's office. Take dictation, write Navy letters. Prepare reports and keep personnel records. |
| Y & L | The York and Lancaster Regiment |
| Y & L (YL) | The York and Lancaster Regiment |
| Y&L | York and Lancaster Regiment |
| Y&LR | York & Lancaster Regiment |
| Y1c | Yeoman, First Class |
| Y2c | Yeoman, Second Class |
| Y3c | Yeoman, Third Class |
| YAG | District Auxiliary Vessel, Miscellaneous (U.S.) |
| YD | Yard |
| YD | The Yorkshire Dragoons Regiment (Queens Own) |
| YD | Yard or Yorkshire Dragoons |
| Ydepot | Overseas Transit Depot |
| Yeo | Yeoman |
| YeoofSigs | Yeoman of Signals |
| YeoSigs | Yeoman of Signals |
| YF | Covered Lighter (U.S.) |
| YFB | Ferryboat |
| YFORCE | Kingston, Jamaica Forces, British West Indies |
| YG | Garbage Lighter (U.S.) |
| YH | The Yorkshire Hussars Regiment (Alexandra, Princess of Wales's Own) |
| YH | Yorkshire Hussars |
| YISMHRCAMC | York Island Station Military Hospital Royal Canadian Army Medical Corps |
| YL | "Y" List |
| YMCA | Young Men's Christian Association |
| YMHRCAMC | Yarmouth Military Hospital Royal Canadian Army Medical Corps |
| YMS | Y Class Minesweeper or Minesweeper (Motor) (U.S.) |
| YMT | Motor Tug (U.S.) |
| YN | Boom Defence Vessel |
| YNg | Gate Vessel (U.S.) |
| YNT | Net Tender (Tug class) (U.S.) |
| YO | Fuel Oil Barge (U.S.) |
| YOG | Gasoline Barge/Tanker (U.S.) |
| YORK & LANC R | York and Lancaster Regiment |
| YorkDns | Yorkshire Dragoons |
| YorkHrs | Yorkshire Hussars |
| YORKS H | Yorkshire Hussars (TA) |
| YORKS H | Yorkshire Hussars |
| YORKSHIRE | Yorkshire Regiment) |
| YS | Yugo-Slav Ship |
| YS | Young Soldiers (Battalion) |
| YT | Tug Harbour (U.S.) |
| YT | Yukon Territory |
| YTEP | Youth Training Employment Program |
| YTT | Torpedo Testing Barge (U.S.) |
| YW | Water Barges (U.S.) |
| ZFORCE | Iceland |
| ZG | Panama-Guantanamo convoy |
| ZULU | Greenwich Mean Time (GMT). Standardized Military Time |
