U.S. Marines assigned to the 1st Reconnaissance Battalion watch a USMC CH-53E Super Stallion Helicopter depart the drop zone after dropping military members into the ocean during helicopter casting training at Blue Beach during the biennial Rim of the Pacific (RIMPAC) Exercise, Marine Corps Base Camp Pendleton, California, July 9, 2018. Twenty-five nations, 46 ships, five 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. (Canadian Armed Forces photo by Ordinary Seaman Justin Spinello)