| Abbreviation | Definition |
|---|---|
| TSSR | Tropospheric Scatter (TROPO)-Satellite Support Radio |
| TSSW | Technical Support Software |
| TST | Tactical Support Team |
| TST | Theater Support Team |
| TST | Time-Sensitive Target |
| TST | Track Sensitive Target |
| TSTV | Total System Tactical Validation |
| TSW | Tactical Smith Wesson |
| TSW | The Scottish Warrior |
| TSW | The Secret Weapon |
| TSWA | Temporary Secure Working Area |
| TSWG | Training Support Working Group |
| TSZ | Temporary Security Zone |
| TT | Tank Table |
| TT | Task Type |
| TT | Technical Test |
| TT | Teletype |
| TT | Terminal Transfer |
| TT | Terrain Type |
| TT | Torpedo Tube |