ORR in NASA could mean:
Displaying 1-2 of 2 result(s).
Similar to ORR
ACCA - Automatic Cloud Cover AssessmentACCMS - Advanced Checkout, Control, and Maintenance System
ACCS - Advanced Checkout and Control System
ACE - Advanced Composition Explorer
ACE - Apollo Checkout Equipment
ACES - Acoustic Containerless Experiment System
ACF - Auto- Correlation Function
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