| Abbreviation | Definition |
|---|---|
| CCSA | U.S. Army Command and Control Support Agency |
| CCSD | Command Communications Service Designator |
| CCSDS | Consultative Committee for Space Data Systems |
| CCSIL | Command and Control Simulation Interface Language |
| CCSK | Cycle Code Shift Keying |
| CCSR | Combatant Commander's Summary Report |
| CCSS | Comanche Crew Support System |
| CCSS | Combat System and Command Support System Directorate |
| CCSS | Command and Control Support System |
| CCSS | Commodity Command Standard System |
| CCT | Collaborative Contingency Targeting |
| CCT | Combat Challenge Team |
| CCT | Combat Control Team |
| CCT | Consolidated Change Table |
| CCT | Consolidated Change Tables |
| CCTB | Close Combat Test Bed |
| CCTC | Command and Control Technical Center |
| CCTDE | Compound Cycle Turbine- Diesel Engine |
| CCTI | Chairman of The Joint Chiefs of Staff Commended Training Issue |
| CCTM | Climate Change and the Military |