Japanese warship JMSDF Myoko (DDG 175) docked at the Joint Base Pearl Harbor Hickam. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC exercise from Jun. 29 to Aug. 3, in and around the Hawaiian Islands. 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. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. New Zealand Defence Force Photo by: LAC Amanda McErlich, Photographer, Defence Communications Group. (Unreleased)