170520-N-HI376-003 WATERS SOUTH OF JAPAN (May 20, 2017) The Arleigh Burke-class guided-missile destroyer USS McCampbell (DDG 85) fires its Mark 45 5-inch gun during a live-fire training exercise. McCampbell is on patrol in the U.S. 7th Fleet area of operations in support of security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeremy Graham/Released)