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The meaning of the Acronym OPSB is...

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Governmental
NASA
OPSB

OPSB is

Orbiter Processing Support Building

OPSB is also in:

NASA

Acronym Definition Searched: CSSA DCID 27325 PRO 47837 HB TFZ AR 2D6 GLH WRSF 05146 CBS BEST SNM

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