S-7 means Army Inter-Component Integration Staff at the Battalion/Brigade Level in
Military
Similar to S-7
24 MEU - 24th Marine Expeditionary Unit
24NAF - 24th Numbered Air Force
26PEMR - 26th Pennsylvania Emergency Militia Regiment
278 ACR - 278th Armored Cavalry Regiment
2AD - 2nd Armored Division
2E - Role 2 Enhanced
2IC - Second In Command
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