180625-N-EQ038-006 PEARL HARBOR (June 25, 2018) The Republic of Singapore navy guided-missile frigate RSS Tenacious (71) enters Pearl Harbor in preparation for the Rim of the Pacific (RIMPAC) exercise 2018. Twenty-five nations, 47 ships, five submarines, approximately 200 aircraft and 25,000 personnel are participating in RIMPAC in and around the Hawaiian Islands and Southern California. RIMPAC is the world’s largest international maritime exercise, providing a unique training opportunity while fostering and sustaining cooperative relationships between participants critical to ensuring the safety of sea lanes and security in the World’s oceans. (U.S. Navy photo by Mass Communication Specialist 1st Class Jason Abrams/Released)