PEARL HARBOR (July 12, 2022) The Republic of Korea navy destroyer ROKS Sejong The Great (DDG 991) departs Pearl Harbor to begin the at-sea phase of Rim of the Pacific (RIMPAC) 2022. Twenty-six nations, 38 ships, four submarines, more than 170 aircraft and 25,000 personnel are participating in RIMPAC from June 29 to Aug. 4 in and around the Hawaiian Islands and Southern California. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2022 is the 28th exercise in the series that began in 1971. (U.S. Navy courtesy photo by Royal Australian Navy Chief Petty Officer Yuri Ramsey)