| Abbreviation | Definition |
|---|---|
| CCS | Complex Control Set |
| CCS | Computer Core Segment |
| CCS | Console Communication System |
| CCS | Contamination Control System |
| CCSM | Control Center Systems Manager |
| CCT | Computer Compatible Tape |
| CCT | Cost Commitment Team |
| CCTE | Conditioned Cargo Transport Equipment |
| CCU | Camera Control Unit |
| CCU | Central Control Unit |
| CCU | Communications Carrier Unit |
| CCU | Crewman Communications Umbilical |
| CCV | Chamber Coolant Valve |
| CCVA | Chamber Coolant Valve Actuator |
| CCW | CounterClockWise |
| CD | Candela |
| CD | Center Director |
| CD | Change Directive |
| CD | Coefficient of Drag |
| CD | Command Decoder |