180425-N-KP946-0050 MEDITERRANEAN SEA (April 25, 2018) Fire Controlman (Aegis) 2nd Class Bogdan Bosneanu, from Tamarac, Fla., replaces chilled water gauges aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) April 25, 2018. Donald Cook, forward-deployed to Rota, Spain, is on its seventh 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 and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alyssa Weeks/Released)