RM/MS&C means Redundancy Management/Moding, Sequencing, and Control in
NASA
Similar to RM/MS&C
AA - Antenna Assembly
AAA - Avionics Air Assembly
AAC - Aft Access Closure
AACB - Aeronautics and Astronautics Coordinating Board
AAD - Attitude Anomaly Detector
AAFE - AeroAssist Flight Experiment
AAFM - Acoustic Atomic Force Microscopy
View all in NASA