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

2GRLV - 2nd Generation Return to Launch Vehicle
2IC - Second In Command
2M - Micro Miniature
2MASS - Two Micron All-Sky Survey
2STO - Two Stage To Orbit
3-DOF - Three Degree Of Freedom
3AAL - Three Axis Acoustic Levitator

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