Marines guard their Amphibious Assault Vehicle following a mechanized raid. U.S. Marines guard their Amphibious Assault Vehicle following a mechanized raid during exercise Rim of the Pacific '04 on the Hawaiian Islands, on July 18, 2004. Exercise Rim of the Pacific '04 is an international maritime exercise designed to enhance the tactical proficiency of participating Pacific Rim nations including participants from Australia, Canada, Chile, Japan, South Korea, the United Kingdom, and the U.S. SHARE: Download: Full Size (0.11 MB) Credit: VIRIN: 923080-Z-UMM06-738.jpg Photo Gallery