160630-N-FQ994-121 MEDITERRANEAN SEA (June 30, 2016) Sailors participate in an M-16 rifle qualification shoot aboard USS Porter (DDG 78) June 30, 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)