200310-N-AN781-2036 PACIFIC OCEAN (March 10, 2020) Fire Controlman 3rd Class Ting Ting Dong operates a close-in weapon system (CIWS) during a CIWS pre-aim calibration evolution on board the Wasp-class amphibious assault ship USS Essex (LHD 2). Essex is underway in the eastern Pacific Ocean conducting routine maritime operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class William Phillips/Released)