NAVAL STATION ROTA, Spain (April 9, 2015) Seabees from Naval Mobile Construction Battalion (NMCB) 11 take an advancement exam at Naval Station Rota. U.S. 6th Fleet, headquartered in Naples, Italy, conducts the full spectrum of joint and naval operations, often in concert with allied, joint, and interagency partners, in order to advance U.S. national interests and security and stability in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael C. Barton/Released)