| Acronym | Meaning |
| IB | International Baccalaureate |
| RAOC | Rear Area Operation Centre |
| VU | Vanuatu (ISO 3166 Digram) -Vedanta University |
| FARC | Fuerzas Armadas Revolucionarias De Colombia (Spanish |
| SMD | Surface Mount Device |
| AO | Angola (FIPS 10-4 Country Code; ISO 3166 Digram) -Approach Officer (submarine) - Area Of Operations |
| DSAA | (U.S.) Defense Security Assistance Agency |
| TSN | Tswana Language (ISO 639-2 Code) |
| WRT | With Respect To |
| DAN | Danish Language (ISO 639-2 Code) |