180705-N-HV059-1098 SOUTH CHINA SEA (July 5, 2018) Gunner’s Mate 3rd Class Shelby Wilkes fires a .50-cailber machine gun during a weapon’s qualification course aboard the Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89). 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 2nd Class Sonja Wickard/Released)