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

ATRRS is

  • Army Training Requirements and Resource System

ATRRS is also in:

Acronym Definition Searched: 97033 USTI OIC CCF PERRL UBTR PITS HOPE SOMR DMH RTPS IMC WA PSIS IGF