181203-N-OW019-1346 ADAMAN SEA (Dec. 3, 2018) The Arleigh Burke-class guided-missile destroyer USS Chung-Hoon (DDG 93) fires a Mark 45 5-inch gun during a live-fire exercise. Chung-Hoon is underway conducting routine operations as part of Carrier Strike Group (CSG) 3 in the U.S. Pacific Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Logan C. Kellums/Released)