Acronyms, Abbreviations, and Initialisms.
All human edited and we add more daily

The meaning of the Acronym OPSB is...

OPSB is

  • Orbiter Processing Support Building

OPSB is also in:

Acronym Definition Searched: IASE AC IM IBFS KTS SAPA NSV-DO (ORA) CAPE GM2 DRPM EFV CLEAN WQPA WJU DPA E445