Highlights of the MEU Posted April 27, 2015 in AR-15, Pistols by Nicholas C with 7 CommentsTags: 1911, Colt, Force Recon, m4, M45A1, Marines The MEU stands for Marine Expeditionary Unit. In this video you get to see Force Recon practicing with their M4s and Colt 1911s. In the video you get to see a clever rolling target to simulate a moving target.