| Abbreviation | Definition |
|---|---|
| TAC | Transportation Account Code |
| TAC(A) | Tactical Air Coordinator (Airborne) |
| TAC2IS | Theater Army Command and Control Info System |
| TAC2IS | Theater Army Command and Control Infomation System |
| TACAIR | Tactical Air |
| TACAMO | Take Charge and Move Out (E-6A/B Aircraft) |
| TACAN | Tactical Air Navigation |
| TACATA | RADOC Combined Arms Test Activity, Ft. Hood,TX |
| TACATA | TRADOC Combined Arms Test Activity, Ft. Hood,TX |
| TACAWS | The Army's Combined Arms Weapon System |
| TACC | Tactical Air Command Center (USMC) |
| TACC | Tactical Air Control Center |
| TACC | Tanker Airlift Control Center |
| TACC | Territorial Army Commissioning Course |
| TACC | Training And Counseling Center |
| TACCDAS | Tactical Army Command and Control Data System |
| TACCIMS | Theater Automated Command and Control Information Management System |
| TACCIMS(K) | Theater Army Command and Control Information Management System ( Korea) |
| TACCIMS(K) | Theater Army Command and Control Information Management System (Korea) |
| TACCS | Tactical Air Command and Control System |