| Abbreviation | Definition |
|---|---|
| CB | Construction Battalion (SEABEES) |
| CB | Crash and Burn |
| CB | Cross Bow |
| C-B | Chemical-Biological |
| CB/CM | Counter Battery/Counter Mortar |
| CBA | Central Battery Ammunition |
| CBA | Chinese Blowing Agency |
| CBA | combat body armor |
| CBA | Communication Burden Assessment |
| CBA | Cost Benefit Analysis |
| CBAA | Cavalry (or Combat) Brigade Air Attack |
| CBAA | Combat Brigade Air Attack |
| CBADS | Chemical/Biological Agent Delivery System |
| C-BAND | 3900 to 6425 MHz (Satellite communication) |
| CBB | Circuit Breaker Box |
| CBBLS | Centa- (Hundreds of) Barrels |
| CBC | Can't Budget Contracts |
| CBD | Chemical/Biological Defense |
| CBD | Commerce Business Daily |
| CBD | Condemned Below Depot |