| Abbreviation | Definition |
|---|---|
| TACO | Theater Allied Contracting Office |
| TACO2 | Tactical Communications Protocol 2 |
| TACOM | Tank-Automotive and Armaments COMmand |
| TACON | Tactical Control |
| TACOPDAT | Tactical Operational Data |
| TACOPS | Tactical Operations |
| TACOS | Tactical Air Defense Computer Simulation |
| TACP | Tactical Air Control Party |
| T-ACS | Auxiliary Crane Ship |
| TACSCAN | Tactical Scanner |
| TACSIM | TACtical SIMulator |
| TACSOP | Tactical Standard Operating Procedures |
| TACSTANS | Tactical Standards |
| TACT | Tactical Aviation Control Team |
| TACTEC | Tactical Technology Center |
| TACTERM | Tactical Terminal |
| TACTRAGRULANT | Tactical Training Group, Atlantic |
| TACTS | Tactical Aircrew Combat Training System |
| TACWAR | Tactical Warfare |
| TACWARS | Tactical Air Warfare Simulation |