170907-N-FP878-014 NAVAL STATION ROTA, Spain (Sept. 7, 2017) Sailor’s from, the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) take the Navy wide advancement exam, Sept. 7, 2017. Donald Cook, forward-deployed to Rota, Spain, is on its 6th patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners, and U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 1st Class Theron J. Godbold /Released)