VA/T/VTA means Vibro-Acoustic/Thermal/Vacuum Test Article in NASA
Similar to VA/T/VTA
AAC - Aft Access ClosureAACB - Aeronautics and Astronautics Coordinating Board
AAD - Attitude Anomaly Detector
AAFE - AeroAssist Flight Experiment
AAFM - Acoustic Atomic Force Microscopy
AAR - After Action Review
AARL - Aeronautical and Astronautical Research Laboratory
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