| Acronym | Meaning |
 | PM | Petametre - Promethium |
| SOI | Signal Operating Instruction |
| VCDS | (Canada) Vice-Chief Of The Defence Staff |
| TUC | Trades Union Congress |
| SPM | Saint Pierre And Miquelon (ISO 3166 Trigram) |
| SMR | San Marino (ISO 3166 Trigram) |
| ERI | Eritrea (ISO 3166 Trigram) |
| RSTA | Reconnaissance |
| ACA | Airspace Control Authority - Airspace Co-ordination Area - A Current Affair |
| NG | Natural Gas - Next Generation -Niger (FIPS 10-4 Country Code) - Nigeria (ISO 3166 Digram) |
Browse by Letter:
