180506-M-MR595-1186 SAN CLEMENTE ISLAND, Calif. (May 6, 2018) Marines assigned to Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (13th MEU), stand by to push forward in assault amphibious vehicles at San Clemente Island, Calif. The Essex Amphibious Ready Group (ARG) and the 13th MEU integrated to conduct the second major exercise of their pre-deployment training. (U.S. Marine Corps photo by Cpl. Danny Gonzalez/Released)