160622-N-FQ994-014 MEDITERRANEAN SEA (June 22, 2016) USS Porter (DDG 78) shoots a round from the 5-inch gun during a live fire gun exercise June 22, 2016. Porter, an Arleigh Burke-class guided-missile destroyer, forward-deployed to Rota, Spain, is conducting a routine patrol in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Robert S. Price/Released)