A U.S. Navy MH-60S Seahawk helicopter assigned to Helicopter Sea Combat Squadron (HSC) 26 lands on the flight deck of the guided missile destroyer USS Hopper (DDG 70) for fuel and supplies during exercise Spartan Kopis Dec. 8, 2013, in the Persian Gulf. Spartan Kopis was a U.S. 5th Fleet training event that validated the effectiveness of using joint aviation assets in a maritime environment, as well as exercising joint force command and control structure and communications.