Cpl. Cesar Ruiz enters the building to pass information to Lance Cpl. Kyle Anderson, both attached to 3rd Marine Regiment, Combat Assault Company, before U.S. Marines from 2nd Battalion, 1st Marines, based out of Camp Pendleton, Calif., come into the Combined Training Facility to participate in a Military Operation in Urban Terrain (MOUT) exercise in support of Exercise Rim of the Pacific (RIMPAC). Eight nations are participating 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. U.S. Navy photo by Mass Communication Specialist 2nd Class Jennifer A. Villalovos