170113-N-KP948-423 MEDITERRANEAN SEA (Jan. 13, 2017) Gunner's Mate 2nd Class Chelsea Ashley, assigned to the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75), fires an M2 .50 cal. machine gun during a live-fire exrecise. Donald Cook is forward-deployed to Rota, Spain, conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alyssa Weeks/Released)