| Acronym | Meaning |
| FAO | Faroese Language (ISO 639-2 Code) |
| NRO | U.S. National Reconnaissance Office |
| GV | Manx Language (ISO 639-1 Code) |
| COG | Centre Of Gravity - Current Operations Group (military) -Republic Of The Congo (ISO 3166 Trigram) |
| LAPD | Los Angeles Police Department |
| KI | Kibi |
| MPEC | Minor Planet Electronic Circular |
| ZW | Zettawatt - Zimbabwe (ISO 3166 Digram) |
| AFM | Army Field Manual (UK; The U.S. More Frequently Uses Just FM) - Atomic Force Microscope - Aviation Fleet Maintenance |
| RDA | Research |