English: 180717-N-BW951-1201 O'AHU, Hawaii (July 17, 2018) - A Philippine Navy special operations group free-fall parachuter (left), observes as static-line parachute jumpers, assigned to Special Operations Command Pacific, prepare to exit the aircraft during airborne insertion training during the Rim of the Pacific (RIMPAC) exercise, July 17. Twenty-five nations, 46 ships, five submarines, and 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 on the world's oceans. RIMPAC 2018 is the 26th exercise in the series that began in 1971. (U.S. Navy photo by Chief Mass Communication Specialist Cynthia Z. De Leon/Released)