CADE: Controller/Attitude Direct Electronics
CaJRS: Canadian Journal of Remote Sensing
CAPS: Common Attitude Pointing System
CAS: Cooperative Application Satellite
CASJ: Canadian Aeronautics and Space Journal
CASJQ: Canadian Aeronautics and Space Journal Quarter
CCRS: Canada Centre for Remote Sensing
CCSD: Chrysler Corporation Space Division
CCSDS: Consultative Committee for Space Data Systems
CDSF: Commercially Developed Space Facility
CEA: Center for EUV Astrophysics
CES: Combined Earth Sensor
CES: Conical Earth Sensor
CES: Crew Escape System
CFF: Columbus Free Flyer
CFP: Conceptual Flight Profile
CGRO: Compton Gamma Ray Observatory
CHAMP: Challenging Minisatellite Payload
CHIPS: Cosmic Hot Interstellar Spectrometer
ChJA: Chinese Journal of Aeronautics
ChJAA: Chinese Journal of Astronomy and Astrophysics
ChJSS: Chinese Journal of Space Science
ChSAJ: Chinese Society of Astronautics Journal
ChSST: Chinese Space Science Technology
CIRCE: Confusion-limited Infrared Cosmology Explorer
CIRRIS: Cryogenic InfraRed Radiance Instrument for Shuttle
CIRRIS: Cryogenic Infrared Radiance Instrumentation for Shuttle
CLM: Circumlunar Mission
CLOT: Combined Loads Orbiter Test
CLS: Collecte Localisation Satellites
CLS: Contingency Landing Site
CLSO: Contingency Landing Support Officer
CNSA: China National Space Administration
COBE: Cosmic Background Explorer
CoFR: Certificate of Flight Readiness
CoFR: Certification of Flight Readiness
COFW: Certificate of Flight Worthiness
COMAS: Combined Orbital Maneuvering and Abort System
Comsat: Communications Satellite
ComSp: Commercial Space