| Abbreviation | Definition |
|---|---|
| CATRADA | Combined Arms Training Developments Activity (obsolete term), now Combined Arms Training Activity |
| CATS | Cloud Aerosol Transport System |
| CATS | Combined Arms Training Strategy |
| CATS | Counter-Assault Tactics and Strategies |
| CATT | Combined Arms Tactical Trainers |
| CATTB | Component Advanced Technology Testbed |
| CATTC | Combined Arms and Tactical Training Center |
| CATV | Community Antenna Television |
| CAU | Cell Adapter Unit |
| CAU | Community Affairs Unit |
| CAU | Cryptographic Auxiliary Unit |
| CAV | Cavalry |
| CAV | Combat Assault Vehicle |
| CAV | Composite Armored Vehicle |
| CAV | Coordinate, Anticipate, Verify |
| CAVN | Corps Aviation |
| CAVRGMT | Cavalry Regiment |
| CAVRGT | Cavalry Regiment |
| CAW | Cannon Artillery Weapon |
| CAW | Carrier Air Wing |