Sailors assigned to the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) conduct replenishment-at-sea operations with the Henry J. Kaiser-class fleet replenishment oiler USNS Kanawha (T-AO-196), Oct. 17, 2021. Porter, forward-deployed to Rota, Spain, is on its 10th Patrol in the U.S. Sixth Fleet area of operations in support of U.S. national security interests in Europe and Africa.