P/B in NASA could mean:
Displaying 1-3 of 3 result(s).
P/B
Preburner
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P/B
Playback
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P/B
Push Button
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Similar to P/B

ACCA - Automatic Cloud Cover Assessment
ACCMS - 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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