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Main Ring Assembly
in NASA
Mechanical Readiness Assessment
in NASA
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Similar to MRA
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