180707-N-NH199-0129 JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 7, 2018) Media outlets from around Hawaii and partner nations observe the Da Vinci Xi surgical system aboard Military Sealift Command hospital ship USNS Mercy (T-AH 19) during open ship tours in support of Rim of the Pacific (RIMPAC) 2018. Twenty-five nations, more than 45 ships and 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 wile fostering and sustaining cooperative relationships between 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. Navy photo by Mass Communication Specialist Seaman Harley K. Sarmiento/Released)