U.S. Marines and Australian sailors climb into combat rubber raiding craft during helocast training as part of Rim of the Pacific exercise in the Pacific Ocean, July 24, 2018. The U.S. Marines are assigned to 1st Reconnaissance Battalion attached to the 15th Marine Expeditionary Unit. The Australian sailors are assigned to Clearance Diving Team Four. RIMPAC provides high-value training for task-organized, highly capable Marine Air-Ground Task Force and enhances the critical crisis response capability of U.S. Marines in the Pacific. Twenty-five nations, 46 ships, five submarines, about 200 aircraft and 25,000 personnel are participating in RIMPAC from June 27 to Aug. 2, 2018, in and around the Hawaiian Islands and Southern California. Marine Corps photo by Pfc. Mackenzie Binion