181012-N-EZ002-1658 PACIFIC OCEAN (Oct. 12, 2018) The amphibious assault ship USS Boxer (LHD 4) fires the Phalanx close-in weapons system (CIWS) during a pre-aim calibration fire. Boxer is underway conducting routine operations in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Keypher Strombeck/Released)