160608-N-FQ994-071 VARNA, Bulgaria (June 8, 2016) USS Porter (DDG 78) arrives in Varna, Bulgaria for a scheduled port visit June 7, 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)