A member of the Republic of Korea SEALs guards a window during an air assault exercise as part as Rim of the Pacific (RIMPAC) Exercise 2014. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. Twenty-two nations, more than 40 ships, six submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Gay/Released)