160701-N-FQ994-096 MEDITERRANEAN SEA (July 01, 2016) Sailors participate in a general quarters training exercise aboard USS Porter (DDG 78) July 1, 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)