| Acronym | Meaning |
| EFV | Expeditionary Fighting Vehicle |
| JTC | Joint Training Confederation |
| DOB | Date Of Birth |
| INTERFET | International Force For East Timor |
| AF | Afghanistan (FIPS 10-4 Country Code; ISO 3166 Digram) -Air Force |
| AJ | Azerbaijan (FIPS 10-4 Country Code) |
| WWJD | What Would Jesus Do? (see WWWD) |
| WTH | What The Hell |
| XP | EXperience Point (role-playing Games) |
| NAU | Nauruan Language (ISO 639-2 Code) |