| Abbreviation | Definition |
|---|---|
| CARP | Corrective Action Review Process |
| CARS | Combat Arms Regimental System |
| CARS | Common Automated Recovery System |
| CARS | Condition Acquisition and Reporting System |
| CARS | Contingency Airborne Reconnaissance System |
| CARSS | Combat Arms Regimental Designator |
| CART | Combat Arms Regimental Training |
| CARVER | Criticality, Accessibility, Recuperability, Vulnerability, Effect, and Recognizability |
| CAS | Cadet Accountability System |
| CAS | CASualty |
| CAS | Chief of Air Staff |
| CAS | Chinese Air To Surface |
| CAS | Civil Aviation Security |
| CAS | Clean Air System |
| CAS | Close Air Support |
| CAS | Combat Ammunition System |
| CAS | Contract Administration Services |
| CAS | Conversion Armor System |
| CAS | Crisis Action System |
| CAS/BI | Close Air Support/Battlefield Interdiction |