| Acronym | Meaning |
| SAS | Scandinavian Airline Systems - Second Avenue Subway - Situational Awareness System - Special Air Service - Studies |
| ABBA | Agnetha |
| MIA | Missing In Action |
| DFAS | (U.S.) Defense Finance And Accounting Service |
| SEAL | SEa-Air-Land |
| HMD | Heard And McDonald Islands (ISO 3166 Trigram) |
| C2D OR C?D | Intel Core 2 Duo - CERDEC Command And Control Directorate |
| TADL | Tactical Air Data Link (taddle) |
| IGS | International Ground Station |
| COE | Cab Over Engine (see Truck) - Common Operating Environment (military) |