Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym S-1 is...

S-1 is

  • First Sacral Vertebra

More Meanings For S-1:

  • First Sacral Vertebra
  • Army Adjutant/Personnel Staff at the Battalion/Brigade level

S-1 is also in:

Acronym Definition Searched: QRY DD 74071 77256 COFR SSPD CFNM SWF DOT OLSP AAVA MCEP FLR MBL 80536