| Abbreviation | Definition |
|---|---|
| TS | Turn Starboard |
| TS/SCI | Top Secret/ Sensitive Compartmented Information |
| TS3 | Time Sensitive Support System |
| TS3 | Time-Sensitive Support System |
| TSA | Target Signature Array |
| TSA | Target System Analysis |
| TSA | Template for Specification Authoring |
| TSA | The Silent Assassins |
| TSA | Theater Storage Area |
| TSA | Travel Security Advisory |
| TSAD | Theater Strategic Area Defense |
| TSAR | TRANSCOM (TRANSportation COMmand) Siting And Readiness |
| TSARC | Test, Schedule, and Review Committee |
| TSB | Technical Service Bulletin |
| TSB | Technical Support Branch |
| TSB | Trunk Signaling Buffer |
| TSBMC | Turkey Spain Base Maintenance Contract |
| TSBn | Transportation Support Battalion (USMC) |
| TSC | The Sergeants Club |
| TSC | Theater Security Cooperation |