170428-N- KS227-001 KEFLAVIK, Iceland (April 28, 2017) A P-8A Poseidon aircraft assigned to Patrol Squadron (VP) 16, arrives in Keflavik, Iceland, for anti-submarine warfare training. 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 Lt. j.g. Grade Matthew Skoglund/Released)