U.S. Navy Lt. David Pahs, assigned to Commander Destroyer Squadron (DESRON) 50, waits for an MH-60S Seahawk helicopter to transport him to the guided missile destroyer USS Hopper (DDG 70) to participate in exercise Spartan Kopis Dec. 7, 2013, in the Persian Gulf. Spartan Kopis is a U.S. 5th Fleet training event that validates the effectiveness of using joint aviation assets in a joint and combined maritime environment, as well as exercising joint force command and control structure and communications.