190704-N-QR145-196 ATLANTIC OCEAN (July 4, 2019) A Mark 45 5-inch gun fires from the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) during a live-fire exercise in the Atlantic Ocean, July 4, 2019. Ross, forward-deployed to Rota, Spain, is on its eighth patrol in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class Krystina Coffey/Released)