C: Coastal
C&E: Communication and Electronic
C&M: Care and Maintenance
CA: Controller, Aircraft
CAACU: Civilian Anti-Aircraft Co-operation Unit
CACF: Coast Artillery Co-operation Flight
CACS: Central Air Command Section
CACU: Coast Artillery Co-operation Unit
CAEU: Casualty Air Evacuation Unit
Cal Flt: Calibration Flight
Cam-ship: Catapult-armed Merchant ship
CAMO: Camouflage Unit
CANS: Civil Air Navigation School
CAOS: Combined Air Observers School
Cap: captain
CARD: Central Aircraft Repair Depot
CASEVAC: casualty evacuation
CASTS: Combined Anti Submarine Tactical School
CAT: College of Air Training
CBCF: Coastal Battery Cooperation Flight
CBCS: Coastal Battery Cooperation School
CBE: Central Bomber Establishment
CC: Confined to camp
CCDU: Coastal Command Development Unit
CCF: Check and Conversation Flight
CCF: Iraq Command Communication Flight
CCFATU: Coastal Command Fighter Affiliation & Training Unit
CCIS: Coastal Command Instructors School
CCPP: Coastal Command Preparation Pool
CCRC: Combat Crew Replacement Centre
CCS: Command and Control System
CCS: Command Core System
CCSDF: Coastal Command Special Duties Flight
CCTDU: Coastal Command Tactical Development Unit
CCTF: Coastal Command Training Flight
CCTF: Combat Cairo Task Force
CCU: Check and Conversation Unit
CD: Coast Defence
Cd: Command
CDA: Coder-Decoder Assembly