170325-N-KP948-036 COBH, Ireland (March 25, 2017) Sailors aboard USS Donald Cook (DDG 75) take in a line as the ship departs Cobh, Ireland. Donald Cook, an Arleigh Burke-class guided-missile destroyer, forward-deployed to Rota, Spain, is 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)