180726-N-MT837-1410 PACIFIC OCEAN (July 26, 2018) The Nimitz-class aircraft carrier USS Carl Vinson steams alongside the Los Angeles-class fast-attack submarine USS Olympia (SSN-717) during a photo exercise off the coast of Hawaii for the 2018 Rim of the Pacific (RIMPAC) exercise, July 26, 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 while fostering and sustaining cooperative relationships between 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 Mass Communication Specialist 3rd Class Dylan M. Kinee/Released)