| Acronym | Meaning |
| ASTREA | Aerial Support To Regional Enforcement Agencies (sheriff's Air Support Unit) |
| CUPS | Common Unix Printing System |
| PNH | Paroxysmal Nocturnal Hemoglobinuria - Police Nationale D'Ha?ti (French |
| TOP | Tongan Pa'anga (ISO 4217 Currency Code) |
| SSBN | Nuclear-Powered Ballistic Missile Submarine (US Navy Hull Classification) |
| NL | Nanolitre |
| ASCC | Army Service Component Commander - Automatic Sequence Controlled Calculator - Air Standardization Coordinating Committee |
| WCBP | World Centre For Birds Of Prey |
| HALT | Hungry Angry Lonely Tired |
| ADOA | Air Defence Operations Area |