U.S. Sailors heave mooring lines aboard the dock landing ship USS Rushmore (LSD 47) as the ship arrives at Joint Base Pearl Harbor-Hickam, Hawaii, during the Rim of the Pacific (RIMPAC) 2014 exercise July 31, 2014. RIMPAC is a U.S. Pacific Fleet-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world?s oceans. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amanda R. Gray/Released)