ARTA BEACH, Djibouti (July 22, 2015) U.S. Marines with Combat Logistics Battalion 15, 15 Marine Expeditionary Unit, ride in a convoy to a machine-gun range near Arta Beach, Djibouti. Elements of the 15th Marine Expeditionary Unit are ashore in Djibouti for sustainment training to maintain and enhance the skills they developed during their pre-deployment training period. The 15th MEU is currently deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th and 6th Fleet areas of operation. (U.S. Marine Corps photo by Sgt. Steve H. Lopez/Released)