| Abbreviation | Definition |
|---|---|
| BAA | blue atmosphere army |
| BAA | Broad Agency Announcement |
| BAAE | British Army Antarctic Expedition |
| BAAG | British Army Aid Group |
| BAAP | Badger Army Ammunition Plant |
| BAB | Boston Army Base |
| BABAS | Battalion Automated Battle Simulation |
| BABINA | British Army Base In Native Asia |
| BAC | Base Area Code |
| BAC | Basic Airborne Course |
| BAC | Brigade Ammunition Column |
| BAC | British Army Cadets |
| BAC | Budget At Completion |
| BACE | Brigade Airspace Coordination Element |
| BAD | Battlefield Awareness Data |
| BADD | Battlefield Awareness Data Disemination |
| BADG | British Aerospace Dynamic Group |
| BAE | Bombs And Explosives |
| BAE | Brigade Aviation Element |
| BAE | British AErospace |