151212-N-HS305-008 SOUTH CHINA SEA (Dec. 12, 2015) The Arleigh Burke-class guided missile destroyer USS Curtis Wilbur (DDG 54) conducts a close-in weapon system (CIWS) gunnery exercise while on patrol in the 7th Fleet area of responsibility in support of security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Lt.j.g. Jonathan Peterson/Released)