151028-N-TC720-181 MEDITERRANEAN SEA (Oct. 28, 2015) Chief Boatswain's Mate Padraig Monahan, from Lakewood, Colo., supervises aboard USS Donald Cook (DDG 75) as supplies are brought over from the Military Sealift Command fleet replenishment oiler USNS Leroy Grumman (T-AO-195) during a replenishment at sea Oct. 28, 2015. Donald Cook, 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 Mat Murch/Released)