A U.S. Navy SEAL from Naval Special Warfare Unit ONE sets security on the port side bridge-wing aboard Military Sealift Command's fleet replenishment oiler USNS Yukon (T-AO 202) during a night time helicopter visit board search and seizure (HVBSS) training exercise during Pacific Bond 2013. Pacific Bond 2013 is a U.S. Navy, Royal Australian Navy, and Japan Maritime Self Defense Force maritime exercise designed to improve interoperability and further relations between nations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Paul Kelly/Released)