IWR means US Army Corps of Engineers Institute for Water Resources in
Military
Similar to IWR
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
View all in Military