| Abbreviation | Definition |
|---|---|
| UWM | Unified Weapons Master |
| UWOA | Unconventional Warfare Operating Area |
| UWP | Universal Weapon Pylon |
| UWR | Universal Weapons Rack |
| UWRT | Ultimate World Record Title |
| UWS | Ultimate Weapon System |
| UWS | Uniform Weapon And Supply |
| UWSA | United Wa State Army |
| UWTF | Unconventional Warfare Task Force |
| UWU | Ultimate Weapon Ultimate |
| UX | Un- eXploded |
| UXB | Unexploded Bomb |
| UXC-7 | Lightweight Digital Facsimile |
| UXD | Un- eXploded Device |
| UXDC | Un- eXploded Depth Charge |
| UXE | Upkeep by Exchange |
| UXI | Un-eXploded Incendiary |
| UXJ | Un- eXploded Junk |
| UXM | UneXploded Mine |
| UXM | Unexploded Munitions |