170415-N-FQ994-065 MEDITERRANEAN SEA (April 15, 2017) Sailors participate in a general quarters training exercise aboard USS Ross (DDG 71) April 15, 2017. USS Ross, an Arleigh Burke-class guided-missile destroyer, forward-deployed to Rota, Spain, is conducting naval operations 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 Robert S. Price/Released)