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Utility and Data Flow
in NASA
Un- Ducted Fan aircraft engine
in NASA
132749132748
Similar to UDF
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
AAR - After Action Review
View all in NASA