| Abbreviation | Definition |
|---|---|
| USWC | UnderSea Warfare Commander |
| UT | Unit Testing |
| UT | Unit Times |
| UT | Unit Training |
| UT | User Test |
| UT | User Time |
| UT&E | User Test and Evaluation |
| UT1 | Unit Trainer |
| UT1 | Universal Time |
| UTA | Unit Training Assembly |
| UTACCS | Unit Tactical Command and Control System |
| UTACCS | USAREUR (United States Army Europe) Tactical Army Command and Control System |
| UTAPS | Unit Training Assembly Processing System |
| UTAS | Unit Training Advisory Section |
| UTC | Unit Training Center |
| UTC | Unit Training Coordinator |
| UTC | Unit Type Code |
| UTE | Utilization Rate |
| UTES | Unit Training Equipment Site |
| UTF | United Terroristic Force |