| Acronym | Meaning |
| VAT | Value-Added Tax -Vatican City-State (ISO 3166 Trigram) |
| G5 | Generation Five PowerPC Microprocessor -Assistant Chief-of-Staff |
| PIR | Priority Intelligence Requirement |
| JSS | Joint Support Ship |
| HF | High Frequency |
| TRP | Troop |
| TT | Teratesla -Terrestrial Time - Tourist Trophy (Motorcycle Sport) -Trinidad And Tobago (ISO 3166 Digram) |
| JTMD | Joint Theatre Missile Defence |
| TMP | East Timor (ISO 3166 Trigram; Obsolete 2002) -Temporary |
| CVR(T) | Combat Vehicle Reconnaissance (Tracked) |