| Acronym | Meaning |
| PLF | Parachute Landing Fall |
| HGF | Human Growth Factor |
| ECOMMHR | European Commission On Human Rights |
| ERS | Earth Resources Survey |
| KH | Cambodia (ISO 3166 Digram) |
| UUB | Ununbium (temporary Superheavy Chemical Element Name) |
| TAC | U.S. Tactical Air Command (1946-1992) |
| OBX | Outer Banks (North Carolina) |
| IO | Ido Language (ISO 639-1 Code) |
| NRO | U.S. National Reconnaissance Office |