190808-N-SR275-0431 BLACK SEA (Aug. 8, 2019) The Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) flies the U.S. and Turkish flags as it transits the Bosphorus Strait, Aug. 8, 2019. Porter, forward-deployed to Rota, Spain, is on its seventh 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 3rd Class T. Logan Keown/Released)