Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym SIR-B is...

SIR-B is

  • Shuttle Imaging Radar-B

SIR-B is also in:

Acronym Definition Searched: PAMS FAS FORD JCA 60638 DS POWER EM VNH FPO EFS PSI FTMW DRb FOSE