Rimpac 2025 Participants. This year’s rimpac will host its largest humanitarian aid and disaster relief exercise with eight countries, five ships, five landing craft, five aircraft, multiple land forces, and over 2,500. Indian navy’s tactical brilliance on display.

Rimpac 2025 is the 29th exercise in the series that began in 1971. The world’s largest international maritime exercise, rimpac provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security on the world’s oceans.