Digital Carrier Module 
Display and Control Module 
Data Collection Module 
Distinguished Conduct Medal 
Deputy Chief of Mission 
DECOM Control Memory 
Dispersion Compensation Module 
Door Control Module 
DATA COMMUNICATIONS MULTIPLEXER 
DATA AND CONFIGURATION MANAGEMENT 
data channel multiplexer 
Data Communications Manager 
Decoder and Control Module 
Defense Contract Management 
Digital Certificate Manager 
Digital Circuit Multiplication 
Digital Clock Manager 
Digital Content Management 
Direct Clearing Members 
direction cosine matrix 
Director of Civilian Marksmanship 
DISPLAY CONTROL MODULE 
Displays and Control Module 
Division Computing Management 
Dynamically Controllable Magnetic 
Dangerous Cargo Manifest 
Darden Capital Management 
Dark Cold Matter 
Data and Control Management 
Data Circulation Mission