| Abbreviation | Definition |
|---|---|
| TT | Transfer Type |
| TT&C | Telemetry, Tracking, and Commanding |
| TT&E | Technical Test and Evaluation |
| TT&P | Tactics, Techniques, and Procedures |
| TTA | Torpedo Tube Assembly |
| TTA | Training And Test Area |
| TTAD | Temporary Tours of Active Duty |
| TTADB | Tactical Terrain Analysis Database |
| TTB | Take The Bullet |
| TTB | Time To Bomb |
| TTB | Torpedo Tube Battery |
| TTB | Transportation Terminal Battalion |
| TTC | Torpedo Tube Carrier |
| TTC | Torpedo Tube Chassis |
| TTC | Tropical Test Center |
| TTC-E | Transportation Terminal Command Europe |
| TTCP | The Technical Cooperation Program |
| TTCS | Target Tracking and Control System |
| TTD | Tactical Terrain Data |
| TTD | Technical Task Directive |