Marines with India Company, Battalion Landing Team 3rd Battalion, 6th Marine Regiment, 24th Marine Expeditionary Unit, demonstrate gun drills using the M-240B machine gun, to Greek Marines with the 521st Marine Battalion, Volos, Greece, June 26, 2015. A contingent of MEU Marines was ashore in Greece as part of a bilateral training exercise with Greek Marines assigned to the 521st Marine Battalion. 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. 6th Fleet Area of operations. (U.S. Marine Corps photo by Cpl. Todd F. Michalek/Released)