160516-N-TC720-1000 MEDITERRANEAN SEA (May 16, 2016) Sailors aboard USS Donald Cook (DDG 75) prepare to launch a rigid hull inflatable boat to conduct a passenger transfer with the Military Sealift Command fleet replenishment oiler USNS Kanawha (T-AO-196) May 16, 2016. 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 2nd Class Mat Murch/Released)