171112-N-FP878-016 MEDITERRANEAN SEA (Nov. 12, 2017) Sonar Technician (Surface) 3rd Class Stephen Clulee, participates in an anti-submarine warfare training exercise aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) during exercise Dogu Akdeniz 2017. Dogu Akdeniz is a Turkish-led, multinational maritime exercise designed to improve combined combat capabilities, increase operational capacity and strengthen relationships among NATO allies. (U.S. Navy photo by Mass Communication Specialist 1st Class Theron J. Godbold/Released)