| Acronym | Meaning |
| OAS | Organization Of American States |
| G9 | Assistant Chief-of-Staff |
| J | Joule |
| HA | Haiti (FIPS 10-4 Country Code) -High Availability |
| ASTREA | Aerial Support To Regional Enforcement Agencies (sheriff's Air Support Unit) |
| OJ | Orange Juice - O.J. Simpson |
| TW | Republic Of China (Taiwan) (ISO 3166 And FIPS 10-4 Country Code Digram) - Terawatt |
| LSO | Lesotho (ISO 3166 Trigram) |
| IFPI | International Federation Of Phonographic Industries |
| NAFO | Northwest Atlantic Fisheries Organization |