SOUTH CHINA SEA (Aug. 28, 2020) The Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) fires a mark 45 5 inch gun during a live-fire exercise. Mustin is forward-deployed to the U.S. 7th Fleet area of operations in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Cody Beam)