Commandant of the Marine Corps 
Cheyenne Mountain Complex 
Center for Macromolecular Crystallogra… 
ceramic matrix composite 
Command Master Chief 
Complex Monitor and Control 
Crisis Management Center 
Command Module Computer 
Computer Mediated Communication 
Central Maintenance Computer 
Central Military Commission 
Connection Management Controller 
Construction Maintenance Center 
critical micelle concentration 
Canadian Meteorological Centre 
Carlsberg Meridian Catalogue 
Center for Marine Conservation 
Center Management Council 
Central Message Controller 
Commandant Marine Corps 
Common Mail Calls 
Common Messaging Calls 
Construction Management Center 
Crew Module Computer 
Call Modification Completed 
Carbon Matrix Composite 
Cellular Mobile Carrier 
Central Message Controllers 
Centralized Maintenance Computer 
Ceramic Matrix Composites