| Acronym | Meaning |
 | MAC | Macao (ISO 3166 Trigram) -U.S. Military Airlift Command (1966-1992) |
| DOMS | (U.S.) Director Of Military Support |
| DCFC | Death Cab For Cutie |
| AAA | Administration |
| MPSRON | Maritime Propositioning Ship Squadron |
| ICAO | International Civil Aviation Organization |
| CTS | Clear-To-Send - Collective Training Standards - Communications Technology Service - Contract Technical Services - Conversation Time Sharing - COSMIC Top Secret |
| PT | Portuguese Language (ISO 639-1 Code) |
| GS | Gigasecond |
| NSS | (U.S.) Naval Simulation System |
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