Spacecraft Abbreviations and Acronyms
- CDHCommand and Data Haudling
- CDHCommand Data Handling
- CDHSCommand and Data Handling Subsystem
- CDICourse Deviation Indicator
- CDTICockpit Display of Traffic Information
- CFITControlled Flight Into Terrain
- CIDAComet and Interstellar Dust Analyzer
- CIDACometary and Interstellar Dust Analyzer
- CMGControl Moment Gyroscope
- CMGControl Momentum Gyroscope
- CNSCommunication Navigation Surveillance
- CNS/ATMCommunication Navigation Surveillance/Air Traffic Management
- CNSRComet Nucleus Sample Return
- CODECCoder- Decoder
- COMCommunications, Optics and Materials
- COMCommunications Society
- CPDLCController–pilot data link communications
- CPSCycles Per Second (now Hertz)
- CTAFCommon Traffic Advisory Frequency
- CV/DFDRCockpit Voice and Digital Flight Data Recorder
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