Official websites use .mil
Secure .mil websites use HTTPS
An Exercise Rim of the Pacific (RIMPAC) 2026 banner is displayed during the RIMPAC Mid-Planning Conference at Marine Corps Base Hawaii, Dec. 4, 2025. RIMPAC is the world's largest international maritime exercise, providing a unique training opportunity that fosters and sustains cooperative relationships among participants. These relationships are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2026 marks the 30th iteration of the biennial exercise, which began in 1971. (U.S. Navy photo by Mass Communication Specialist 2nd Class Lordin Kelly)