Naval vessels fell into ranks for a photo exercise at the conclusion of Exercise Rim of the Pacific (RIMPAC) 2006. RIMPAC trains U.S. allied forces to be interoperable and ready for a wide range of potential combined operations and missions. Eight nations participated in RIMPAC, the world's largest biennial maritime exercise. Conducted in the waters off Hawaii, RIMPAC brings together military forces from Australia, Canada, Chile, Peru, Japan, the Republic of Korea, the United Kingdom and the United States.