Japan Maritime Self-Defense Force sailors from JS Kirishima (DDG 174) and JS Ise (DDH 182) practice physical training and defense tactics while an instructor from the Center for Security Forces Detachment Pearl Harbor watches during 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 49 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)