180714-N-SB520-1002 JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 14, 2018) International service members man the tactical operations center (TOC) for the humanitarian assistance and disaster relief (HADR) exercise at Joint Base Pearl Harbor-Hickam during the Rim of the Pacific (RIMPAC) exercise, July 14. The TOC serves as the command and control center for the HADR exercise. Twenty-five nations, more than 45 ships and submarines, about 200 aircraft, and 25,000 personnel are participating in RIMPAC from June 27 to Aug. 2 in and around the Hawaiian Islands and Southern California. The world’s largest international maritime exercise, RIMPAC provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security of the world’s oceans. RIMPAC 2018 is the 26th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist 2nd Class Manuel Tiscareno/Released)