| Acronym | Meaning |
| OD | Old Dragon - Ordnance Datum (nautical Charts) -Overdose |
| SAU | Saudi Arabia (ISO 3166 Trigram) |
| EAPC | Euro-Atlantic Partnership Council |
| HVO | Upper Volta (ISO 3166 Trigram; Obsolete 1984) |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (hum-vee; Hummer) |
| MILF | Moro Islamic Liberation Front -Mother I'd Like To Fuck |
| USCG | United States Coast Guard |
| ROC | Receiver Operating Characteristic (statistics) - Regional Operations Centre - Republic Of China - Roc-A-Fella Records |
| AIA | Aerospace Industry Association - American Institute Of Architects -Anguilla (ISO 3166 Trigram) |
| INMARSAT | International Maritime Satellite Organization |