A Royal Tongan Marine secures a room while others clear the rest of the simulated enemy compound during Military Operations in Urban Terrain (MOUT) training at Marine Corps Base Hawaii, Kaneohe Bay, July 3, 2014 as part of the Rim of the Pacific (RIMPAC) 2014 Exercise. This year marks the 24th exercise in the series that began in 1971. The exercise is hosted by Commander, U.S. Pacific Fleet, in and around the islands of Hawaii. RIMPAC 2014 takes place from June 26 to Aug. 1, and includes events in port as well as underway. (U.S. Marine Corps photo by Sgt. William L. Holdaway/Released)