151215-N-XT273-624 BLACK SEA (Dec. 15, 2015) Sailors aboard USS Ross (DDG 71) conduct anti-submarine warfare training and advanced ship maneuvering during a passing exercise with ships from Romania and Turkey while operating in the Black Sea Dec. 15, 2015. Ross, 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 2nd Class Justin Stumberg/Released)