ARTA BEACH, Djibouti (July 29, 2015) U.S. Marines with Light Armored Reconnaissance Detachment, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit, engage targets in a fire-and-maneuver exercise during sustainment training. Elements of the 15th MEU 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)