Circuit Card Assembly 
Carrier Controlled Approach 
Capital Cost Allowance 
Contract Change Authorization 
Communications Carrier Assembly 
Coolant Control Assembly 
Chromated Copper Arsenate 
Clinger-Cohen Act 
Computer Corporation of America 
Contamination Control Area 
coupled-cluster approach 
Call Control Agent 
Canadian Chiropractic Association 
Canadian Construction Association 
Canonical correlation analysis 
canonical correspondence analysis 
Cause-Consequence Analysis 
central contracting authority 
channel coupling array 
Citrix Certified Administrator 
Clinical Chemistry Analyzer 
Close-Combat Attack 
close-coupling approximation 
Common Component Architecture 
Competition in Contracting Act 
Comprehensive Cooperative Agreement 
Computer Content Architecture 
Conceptual Communication Area 
container control activity 
contingency capabilities assessment