190731-N-BM428-0095 MEDITERRANEAN SEA (July 31, 2019) Sailors move a simulated wounded Sailor during a mass casualty drill on the flight deck aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75), July 31, 2019. Donald Cook, forward deployed to Rota, Spain, is on its ninth patrol 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 Damon Grosvenor/Released)