U.S. Marines with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, participate in the Central Training Area High Mobility Artillery Rocket System field training exercise, known as CTA HIMARS, on Camp Hansen, Okinawa, Japan, from Aug. 15-30, 2019. The integration of HIMARS during this FTX helps refine tactics, techniques and procedures to enhance the Marine Corps’ readiness within the region. (U.S. Marine Corps photo by Lance Cpl. Ujian Gosun) - U.S. Marines with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, participate in the Central Training Area High Mobility Artillery Rocket System field training exercise, known as CTA HIMARS, on Camp Hansen, Okinawa, Japan, from Aug. 15-30, 2019. The integration of HIMARS during this FTX helps refine tactics, techniques and procedures to enhance the Marine Corps’ readiness within the region. (U.S. Marine Corps photo by Lance Cpl. Ujian Gosun)

U.S. Marines with Alpha Company, 1st Battalion, 3rd Marine Regiment conduct MOUT training with Indonesian Marines during the Korps Marinir (KORMAR) Platoon Exchange 2019 program in Surabaya, Indonesia, August 9, 2019. The KORMAR platoon exchange program between Indonesia and the U.S. involves each country sending a platoon of Marines to live and train together at the other's military base. This program enhances the capability of both services and displays their continued commitment to share information and increase the ability to respond to crisis together. (U.S. Marine corps photo by Cpl. Eric Tso) - U.S. Marines with Alpha Company, 1st Battalion, 3rd Marine Regiment conduct MOUT training with Indonesian Marines during the Korps Marinir (KORMAR) Platoon Exchange 2019 program in Surabaya, Indonesia, August 9, 2019. The KORMAR platoon exchange program between Indonesia and the U.S. involves each country sending a platoon of Marines to live and train together at the other's military base. This program enhances the capability of both services and displays their continued commitment to share information and increase the ability to respond to crisis together. (U.S. Marine corps photo by Cpl. Eric Tso)

Newly appointed sergeant major of 4th Marine Regiment, Sgt. Maj. Luis M. Leiva, gives remarks, during a relief and appointment ceremony at Camp Schwab, Okinawa, Japan, Aug. 16, 2019. During the ceremony, Leiva transferred leadership to Sgt. Maj. Jose H. Molina, who was selected as the new 4th Marine Regiment sergeant major. (U.S. Marine Corps photo by Lance Cpl. D’Angelo Yanez) - Newly appointed sergeant major of 4th Marine Regiment, Sgt. Maj. Luis M. Leiva, gives remarks, during a relief and appointment ceremony at Camp Schwab, Okinawa, Japan, Aug. 16, 2019. During the ceremony, Leiva transferred leadership to Sgt. Maj. Jose H. Molina, who was selected as the new 4th Marine Regiment sergeant major. (U.S. Marine Corps photo by Lance Cpl. D’Angelo Yanez)

Marines with 3rd Battalion, 12th Marine Regiment, a part of Marine Rotational Force-Darwin (MRF-D), fire Guided Multiple Launch Rocket System (GMLRS) munitions during Southern Reach, at Bradshaw Field Training Area, Northern Territory, Australia on August 15, 2019. GMLRS provide pinpoint accuracy and deliver 200 pounds of high explosives directly on a target. (U.S. Marine Corps photo by Lance Cpl. Brandon Salas) - Marines with 3rd Battalion, 12th Marine Regiment, a part of Marine Rotational Force-Darwin (MRF-D), fire Guided Multiple Launch Rocket System (GMLRS) munitions during Southern Reach, at Bradshaw Field Training Area, Northern Territory, Australia on August 15, 2019. GMLRS provide pinpoint accuracy and deliver 200 pounds of high explosives directly on a target. (U.S. Marine Corps photo by Lance Cpl. Brandon Salas)

A landing craft, utility assigned to the amphibious transport dock ship USS Green Bay (LPD 20), lowers its ramp to unload a High Mobility Artillery Rocket System from 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, as part of a simulated amphibious raid, at Kin Blue, Okinawa, Japan, Aug. 14, 2019. This simulated amphibious raid marks the first time that HIMARS have been inserted by landing craft, utility, demonstrating the Marine Air-Ground Task Force’s ability to conduct combined-arms maneuver from amphibious shipping. (U.S. Marine Corps photo by Lance Cpl. Joshua Sechser) - A landing craft, utility assigned to the amphibious transport dock ship USS Green Bay (LPD 20), lowers its ramp to unload a High Mobility Artillery Rocket System from 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, as part of a simulated amphibious raid, at Kin Blue, Okinawa, Japan, Aug. 14, 2019. This simulated amphibious raid marks the first time that HIMARS have been inserted by landing craft, utility, demonstrating the Marine Air-Ground Task Force’s ability to conduct combined-arms maneuver from amphibious shipping. (U.S. Marine Corps photo by Lance Cpl. Joshua Sechser)