A Marine with the 24th Marine Expeditionary Unit Law Enforcement detachment fires an M240B machine gun during a live-fire exercise in Djibouti, March 10, 2015. A contingent of the MEU was ashore in Djibouti conducting sustainment training to maintain proficiency. The 24th MEU is embarked on the ships of the Iwo Jima Amphibious Ready Group and deployed to maintain regional security in the U.S. 5th Fleet area of operations. (U.S. Marine Corps photo by Lance Cpl. Austin A. Lewis/Released)