PACIFIC OCEAN (July 16, 2014) Ensign Thomas Duncan, from New York, takes a bearing while standing watch as the conning officer on the bridge of the amphibious dock landing ship USS Rushmore (LSD 47) during Rim of the Pacific (RIMPAC) Exercise 2014. Twenty-two nations, 49 ships and six submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC exercise from June 26 to Aug. 1, in and around the Hawaiian Islands and Southern California. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amanda R. Gray/Released)