Displaying 1-5 of 5 result(s).
Oxygen Pressure Regulator
in NASA
Operations Planning Review
in NASA
Office of Primary Responsibility
in NASA
Orbiter/Payload Recorder
in NASA
128247128249128250128246128248
Similar to OPR
ACE - Advanced Composition Explorer
ACE - Apollo Checkout Equipment
ACES - Acoustic Containerless Experiment System
ACF - Auto- Correlation Function
ACFS - Advanced Concepts Flight Simulator
ACFY - After the Current Fiscal Year
ACIO - Agency Chief Information Officer
View all in NASA