PR in NASA could mean:
Displaying 1-10 of 13 result(s).
PR
Position Record
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PR
Primary
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PR
Pressure Regulator
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PR
Pulse Rate
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PR
Pair
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PR
Procurement Regulation
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PR
Pressure Ratio
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PR
Purchase Request
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PR
Problem Report
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PR
Procurement Requisition
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Similar to PR

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

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