DAPU		Data Acquisition and Processing Unit
DART		Demonstration of Autonomous Rendezvous Technology
DASF		Dynamic Ascent and Soaring Flight
DATS		Despun Antenna Test Satellite
DCA		Defense Communications Agency
DCS		Data Collection System
DCS		Defense Communications System
DCSP		Defense Communications Satellite Program
DEIMOS		DEvelopment and Investigation of a Military Orbital System
DEW		Distant Early Warning
DGLR		Deutsche Gesellschaft für Luft-und Raumfahrt
DIAL		DIamant ALlemagne
DLPO		Dim Light Photography Orthicon
DLR		Deutsche forschungsanstalt für Luft- und Raumfahrt
DM		Docking Module
DME		Direct Measurements Explorer
DMS		Defense Message System
DMSP		Defense Meteorological Satellite Program
DOD		Department Of Defence
DODGE		Department Of Defence Gravity gradient Experiment
DOVE		Digital Orbiting Voice Encoder
DPF		Data Processing Facility
DRETS		Direct Re-Entry Telemetry System
DREWS		Direct Readout Equatorial Weather Satellite
DRTE		Defense Reseach Telecommunications Establishment
DSCP		Defense Satellite Communications Program
DSCS		Defense Satellite Communications System
DSIF		Deep Space Instrumentation Facility
DSN		Deep Space Network
DSO		Detailed Supplementary Objective
DSP		Defense Satellite Program
DSP		Defense Support Program
DSRI		Danish Space Research Institute
DSS		Deep Space Station
DTO		Detallied Test Objective