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MEDITERRANEAN SEA (May 18, 2014) The forward-deployed Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) conducts a replenishment-at-sea with the Military Sealift Command fleet replenishment oiler USNS John Lenthall (T-AO 189). Donald Cook is serving on a scheduled patrol in the U.S. 6th Fleet area of responsibility as part of the President’s European phased adaptive approach to ballistic missile defense in Europe. (U.S. Navy photo by Mass Communication Specialist Seaman Edward Guttierrez III/Released)