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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
ABU - After Body Unit
ABUP - Auxiliary Back- Up Plate
ABV - Above
ABV - Air Bubble Vehicle
AC - Aerodynamic Center
AC - Comptroller Office
AC - Alternating Current
View all in NASA