Digital Selective Calling 
Dynamic Service Change 
Differential Scanning Calorimetry 
Dynamic Stability Control 
Decision Support Center 
Data Separator Card 
Dedicated Signal Conditioner 
Defense Supply Center 
differential scanning calorimeter 
Digital Signaling Converter 
Digital Still Camera 
Doctor of Science 
Document Structuring Conventions 
Data Satellite Channel 
Data Systems Center 
DECT Standard Cipher 
Deep Space Communications 
Defense Satellite Communications 
Defense Space Council 
Defense Strategy Course 
Deferred sales charge 
Deployment Support Command 
Depot Support Contract 
descrambler 
Design safety criteria 
Digital Service Channel 
Digital Subscriber Controller 
Digital-to-Synchro Converter 
direct satellite communications 
Distributed Statistical Computing