| Acronym | Meaning |
 | DIAC | Department Of Immigration And Citizenship (Australia) [1] |
| HAWK | Homing All The Way Killer (air Defence System) |
| AAS | Advanced Automation System - American Astronomical Society (double-A-S) |
| TSN | The Sporting News - The Sports Network |
| NT | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Digram; Obsolete 1993) - Northern Territory (Australia) (postal Symbol) - Northwest Territories (Canada) (postal Symbol) - National Trust (UK) |
| ROD | Rate Of Descent - Record Of Decisions - Report Of Discrepancy |
| C4 OR C? | Command |
| SOWHAT | RESNA Subcommittee On Wheelchairs And Transportation |
| UNOSOM | United Nations Operations In Somalia |
| USAIC | U.S. Army Infantry Center - U.S. Army Intelligence Center |
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