110202-N-4743B-115 SOUTH CHINA SEA (Feb. 2, 2011) Marines assigned to the 31st Marine Expeditionary Unit (31st MEU), Maritime Raid Force, check their weapons during a call-away drill in the hangar bay of the forward-deployed amphibious assault ship USS Essex (LHD 2). Essex is part of the Essex Amphibious Ready Group on patrol in the western Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Adam M. Bennett/Released)