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Distribution Control Agency
in NASA
Digital Command Assembly
in NASA
Distance of Closest Approach
in NASA
Design Change Authorization
in NASA
Defense Communications Agency
in NASA
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Similar to DCA
ABS - Anti Burn Shield
ABS - After Body Section
ABS - Air Breathing System
ABS - Air Base Supply
ABT - Approximate Burn Time
ABU - Analog Back- Up
ABU - After Body Unit
View all in NASA