Commander, U.S. 3rd Fleet Vice Adm. Nora Tyson answers questions from the international press after the Rim of the Pacific’s 2016 opening press conference held on Joint Base Pearl Harbor-Hickam July 5, 2016. Twenty-six nations, 45 ships, five submarines, more than 200 aircraft and 25,000 personnel will participate in the biennial Rim of the Pacific (RIMPAC) exercise scheduled June 30 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 that helps participants foster and sustain cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2016 is the 25th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Hinton/Released)