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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
AC - Alternating Current
AC - Assembly Complete
ACBM - Active Common Berthing Mechanism
ACC - Aft Cargo Carrier
ACCA - Automatic Cloud Cover Assessment
ACCMS - Advanced Checkout, Control, and Maintenance System
ACCS - Advanced Checkout and Control System
View all in NASA