Daylight Saving Time 
Department of Science and Technology 
Department of Science & Technology 
Direct Sounding Transmission 
Daylight Savings Time 
Defense Suppression Threat 
Dimensional Special Tooling 
Diode-Split Transformer 
Discrete Sine Transform 
Dispersion Supported Transmission 
Double Super Twisted 
Dynamic Stability Test 
Data Synchronization Table 
Dayligth Saving Time 
Dedicated Service Tool 
Dedicated Service Tools 
Deep Space Transponder 
Deference Slot Time 
Destination 
DeSTination reference 
Detailed Statistical Tables 
Device Start 
Diensstelle 
Digital Systems Terminations 
Direct Stream Transfer 
Distributed Smalltalk 
door stop 
Dynamic Stress Testing