English: 080625-N-3931M-031 PEARL HARBOR, Hawaii The Australian navy submarine HMAS Waller (SSG 75) pulls into Pearl harbor for a scheduled port call before starting Rim of the Pacific (RIMPAC) 2008. RIMPAC, the world's largest multinational exercise, is scheduled biennially by U.S. Pacific Fleet and takes place in the Hawaiian operating area during June 29 - July 31. Participants include Australia, Canada, Chile, Japan, Netherlands, Peru, Republic of Korea, Singapore, United Kingdom and the U.S. India, Colombia, Mexico, and Russia are scheduled to send observers.