| Acronym | Meaning |
| AFQT | Armed Forces Qualification Test |
| GN | Giganewton - Guinea (ISO 3166 Digram) |
| GIB | Gibraltar (ISO 3166 Trigram) |
| LOTIS | Livermore Optical Transient Imaging System |
| NTR | Network Time Reference |
| MPFC | Medial PreFrontal Cortex |
| GM | The Gambia (ISO 3166 Digram) -GameMaster (role-playing) - General Motors - Genetically Modified -Germany (FIPS 10-4 Country Code) -Guru Meditation (computing) |
| VND | Vietnamese ??ng (ISO 4217 Currency Code) |
| FEZ | Fighter Engagement Zone |
| NLD | Dutch Language (ISO 639-2 Code) |