Vice Adm. Samuel J. Locklear, commander, U.S. 3rd Fleet, greets Marines assigned to Combat Assault Company, 3rd Marine Regiment, during an armored assault vehicle demonstration at Pacific Missile Range Facility Barking Sands as part of this year's Rim of the Pacific 2008 exercise. RIMPAC is the world's largest multinational exercise and is scheduled biennially by the U.S. Pacific Fleet. Participants include the United States, Australia, Canada, Chile, Japan, Netherlands, Peru, Republic of Korea, Singapore and the United Kingdom.