PV&D means Purge, Vent, and Drain in NASA
Similar to PV&D
ACES - Acoustic Containerless Experiment SystemACF - Auto- Correlation Function
ACFS - Advanced Concepts Flight Simulator
ACFY - After the Current Fiscal Year
ACIO - Agency Chief Information Officer
ACIP - Assembly Configuration and Integration Panel
ACLUF - American Civil Liberties Union Foundation
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