| Abbreviation | Definition |
|---|---|
| CCR | Central Control Room |
| CCR | Closed Circuit Refueling |
| CCR | Command Conference Room |
| CCRA | Corps Commander Royal Artillery |
| CCRD | Combatant Commander's Required Delivery date |
| CCRP | Command and Control Research Program |
| CCS | Casualty Clearing Station |
| CCS | Central Control Ship |
| CCS | Change Control System |
| CCS | Combat Communications Squadron |
| CCS | Combined Chiefs of Staff |
| CCS | Command and Control System |
| CCS | Command and Coordination Set |
| CCS | Communications Control Set |
| CCS | Container Control Site |
| C-CS | Communication and Computer Systems |
| CCS2 | Command and Control Support System |
| CCS2 | Command, Control, and Subordinate Systems |
| CCSA | Command and Control Support Agency |
| CCSA | Containership Cargo Stowage Adapter |