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Preliminary Design Audit
in NASA
Propellant Drain Area
in NASA
Power Distribution Assembly
in NASA
128702128701128703
Similar to PDA
AA - Adverse Action
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
View all in NASA