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

PWIS is

  • Prisoner of War Information System

PWIS is also in:

Acronym Definition Searched: SOCC 87042 G&A MCCTF GSL 60126 WFK PICC DAFT WRTG CM THLR PD 17090 SDS