The Rim of the Pacific (RIMPAC) Exercise is the world's largest international maritime exercise, aimed at enhancing global maritime security and cooperation. The exercise is hosted by the U.S. Pacific Fleet and began with an opening ceremony and press conference in Hawaii. The theme of RIMPAC 2026 is 'Partners: Integrated and Prepared', highlighting joint readiness and collaboration among participating nations. Around 30 countries are participating in the exercise, making it a major multinational naval training event. This exercise will continue until 31 July 2026.