26th Marine Expeditionary Unit (MEU) Maritime Raid Force Marines receive a class on a diver propulsion device on Arta Beach during sustainment training in the U.S. 6th Fleet area of responsibility, Aug. 3, 2013. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th Fleet area of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera/Released)