Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym FIRS is...

FIRS is

  • FORSCOM Issue Resolution System

FIRS is also in:

Acronym Definition Searched: WFOC 61479 MAPP PEG PZ 22641 REN WCRT NLV USS 19376 UG KNI ATZ ITE MGN