Navy sailors participate in boarding, search-and-seizure training aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook in the Atlantic Ocean, Oct. 13, 2017. The Donald Cook is deployed to Rota, Spain, on its sixth patrol in the U.S. 6th Fleet area of operations in support of regional allies, partners and U.S. national security interests in Europe. Navy photo by Petty Officer 1st Class Theron J. Godbold