U.S. Marines and partner nation service members participate in Rim of the Pacific (RIMPAC) exercise on Marine Corps Base Hawaii and Pohakuloa Training Area, Hawaii June 27-Aug 2, 2018. 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, more than 45 ships and submarines, about 200 aircraft, and 25,000 personnel are participated in RIMPAC around the Hawaiian Islands and Southern California. (U.S. Marine Corps video by Lance Cpl Eric Tso)

180724-M-TL103-0001 POHAKULOA TRAINING AREA, HAWAII (July 24, 2018) U.S. Marines with Marine Wing Support Detachment 24 and U.S. Army soldiers with the 25th Sustainment Brigade, 25th Infantry Division, set up an Expeditionary Mobile Fuel Additization Capability (EMFAC) system during a fuel field test at Pohakuloa Training Area, Hawaii, July 18, 2018. The EMFAC is designed to convert commercially available jet fuel into military specification Jet Propellant 8 in a field environment where military specification fuel isn’t readily available. (U.S. Marine Corps video by Lance Cpl Eric Tso)

MARINE CORPS BASE CAMP PENDLETON, Calif. — U.S. Navy corpsmen with 1st Medical Battalion practice damage control resuscitative surgery involving simulated injuries aboard Camp Pendleton, July 29, 2016. Navy surgeons, doctors and nurses participated in a training evolution during the Marine Corps Warfighting Lab Marine Air-Ground Task Force Integrated Experiment that will test the capabilities of new deployable medical equipment and the efficiency of using the least amount of supplies and personnel to achieve the most mobile and optimal care for damage control and resuscitative surgery in patients. MCWL is conducting the experiment to explore new gear and asses its capabilities for potential future use. The lab identifies possible challenges of the future, develops new warfighting concepts, and tests new ideas to help develop equipment that meets the challenges of the future operating environment. (U.S. Marine Corps video by Cpl. Angel Serna/Released)

MARINE CORPS BASE CAMP PENDLETON, Calif. — U.S. Navy corpsmen with 1st Medical Battalion practice damage control resuscitative surgery involving simulated injuries aboard Camp Pendleton, July 29, 2016. Navy surgeons, doctors and nurses participated in a training evolution during the Marine Corps Warfighting Lab Marine Air-Ground Task Force Integrated Experiment that will test the capabilities of new deployable medical equipment and the efficiency of using the least amount of supplies and personnel to achieve the most mobile and optimal care for damage control and resuscitative surgery in patients. MCWL is conducting the experiment to explore new gear and asses its capabilities for potential future use. The lab identifies possible challenges of the future, develops new warfighting concepts, and tests new ideas to help develop equipment that meets the challenges of the future operating environment. (U.S. Marine Corps video by Cpl. Angel Serna/Released)

1600729-M-WH287-0102 PACIFIC MISSILE RANGE FACILITY (JULY 29, 2016)-U.S., Republic of Korea Marines, Australian Army soldiers and Malaysian soldiers conduct a Helicopter-Bourne long range raid at Pacific Missile Range Facility on July 29, 2016. These Marines and soldiers are participating in Rim of the Pacific 2016, a multinational military exercise, from June 29 to Aug. 4 in and around the Hawaiian Islands. RIMPAC will help us integrate joint and combined capabilities to conduct amphibious, offensive, defensive, and stability operations. (U.S. Marine Corps Video by Cpl. Antonio Campbell)

MARINE CORPS BASE CAMP PENDLETON, Calif. — Twenty-six nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 30 to Aug. 4, in and around the Hawaiian Islands and Southern California. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2016 is the 25th exercise in the series that began in 1971. (U.S. Marine Corps video by Cpl. Angel Serna/Released)

160705-M-PQ336-001MARINE CORPS BASE HAWAII (July 5, 2016) U.S. Marines and Japanese soldiers conducted dry beach assault drills July 5, 2016 at Pyramid Rock. Exercise Rim of the Pacific 2016 is the world's largest international maritime exercise, and provides a unique training opportunity that helps participants foster and sustain cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2016 is the 25th exercise in the series that began in 1971. (U.S. Marine Corps video by Cpl. Isaac Ibarra)