| Abbreviation | Definition |
|---|---|
| TBA | To Be Announced |
| TBA | To Be Assigned |
| TBAG | Technology Base Advisory Group |
| TBB | The Baddie Brigade |
| TBC | Tactical Battle Command |
| TBC | Total Body Confusion |
| TBD | To Be Decided |
| TBD | Torpedo Bomber Douglas (Devastator, World War II naval aircraft) |
| TBD | Trauma Medicine Division |
| TBEP | Training Base Expansion Plan |
| TBF | Torpedo Bomber Fighter |
| TBI | Traumatic Brain Injury |
| TBIS | Technology Base Investment Strategy |
| TBM | Tactical Ballistic Missile |
| TBM | Theater Ballistic Missile |
| TBM | Theater Battle Management |
| TBMCS | Theater Battle Management Core System |
| TBMD | Theater Ballistic Missile Defense |
| TBMS | Theater Battle Management System |
| TBN | To Be Named |