100711-A-RZ057-1003 HONOLULU, Hawaii (July 11, 2018)

100711-A-RZ057-1003 HONOLULU, Hawaii (July 11, 2018) - A U.S. Army medivac helicopter lands at Tripler Army Medical Center (TAMC) Hawaii, to simulate a medical supply pick-up at the TAMC mountainside helipad in preparation for the hospital's upcoming mass casualty exercise, July 12, during Rim of the Pacific (RIMPAC) exercise. The purpose of the full scale exercise at Tripler is to prepare the organization to effectively respond to a natural disaster by synchronizing efforts with government and private sector agencies statewide. Twenty-five nations, 46 ships, five submarines, about 200 aircraft, and 25,000 personnel are participating in RIMPAC from June 27 to Aug. 2 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 of the world's oceans. RIMPAC 2018 is the 26th exercise in the series that began in 1971. (U.S. Army photo by Col. Wayne Marotto/Released)