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Payload P/L preferred
in NASA
Postlanding P/L preferred
in NASA
128967128971128969128970128968
Similar to PL
AA - Astronomical Applications
AA - Adverse Action
AA - Antenna Assembly
AAA - Avionics Air Assembly
AAC - Aft Access Closure
AACB - Aeronautics and Astronautics Coordinating Board
AAD - Attitude Anomaly Detector
View all in NASA