170324-N-N0901-092 CORK, Ireland (March 24, 2017) Cmdr. Timothy Moore, commanding officer of USS Donald Cook (DDG 75) signs a guest log with Deputy Lord Mayor of Cork Joe Kavanagh at the city hall of Cork, 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 Lt. j.g. Jocelyn Addeo/Released)