170504-N-FQ994-311 MEDITERRANEAN SEA (May 4, 2017) The 5-inch gun is fired aboard the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) during a live-fire training exercise. Ross is forward-deployed to Rota, Spain, conducting naval operations 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 3rd Class Robert S. Price/Released)