| Abbreviation | Definition |
|---|---|
| CAS3 | Combined Arms Services and Staff School |
| CASARA | Civil Air Search And Rescue Association |
| CASC | Canadian Army Service Corps |
| CASCOM | Combined Arms Support Command |
| CASDAP | Composite ARNG Safety Development & Assessment Program |
| CASE | Combined Arms Synthetic Experiment |
| CASE | Computer Aided System Engineering |
| CASE | Corps and Subordinate Echelons |
| CASE | Corps Area Support Element |
| CASECM | Close Air Support Electronic Countermeasures System |
| CASEVAC | CASualty EVACuation |
| CASF | Contingency Aeromedical Staging Facility |
| CASJ | Close-Air Support Jammer |
| CASM | Close-Air Support Missile |
| CASM | Combined Arms Simulation Model |
| CASOC | CASualty Operations Center |
| CASOP | Crisis Action Standing Operating Procedures |
| CASP | Chemical Ammunition Supply Point |
| CASP | Computer-Aided Search Planning |
| CASPER | Contact Area Summary Position Estimate Report |