| Abbreviation | Definition |
|---|---|
| TTW | Torpedo Tube Warhead |
| TTWCS | Tactical Tomahawk Weapon Control System |
| TTY | Teletypewriter |
| TTY | Torpedo Tube Yaw |
| TU | Type Unification |
| TUA | TOW Under Armor |
| TUAV | Tactical Unmanned Aerial Vehicle |
| TUBA | Transition Unit Box Assembly |
| TUBA | Tu Be Announced |
| TUCHA | Type Unit Characteristic |
| TUCHA | Type Unit Characteristics File |
| TUCHAREP | Type Unit Characteristics Report |
| TUDET | Type Unit Equipment Detail File |
| TUDM | Tentera Udara DiRaja Malaysia |
| TUE | Torpedo Unit Explosion |
| TUEDT | Type Unit Equipment Detail File |
| TUFMIS | Tactical Unit Financial Management Information System |
| TUG | Technical Users Group |
| TUGV | Tactical Unmanned Ground Vehicle |
| TUH | Tactical Utility Helicopter |