U.S. Marine Corps Staff Sgt. Micheal Mendoza, a joint terminal attack controller with Command Element, Marine Rotational Force - Darwin, left, and Australian Defence Force Sgt. Aaron Costas, with 102nd Coral Battery, communicate to a B-1B Lancer pilot at Mount Bundey Training Area, Northern Territory, Australia, Aug. 14, 2020. The combined training allowed both Marines and Australian Defence Force members to learn how to communicate effectively to be ready to work together to to contribute to regional security. (U.S. Marine Corps photo by Cpl. Sarah Marshall) - U.S. Marine Corps Staff Sgt. Micheal Mendoza, a joint terminal attack controller with Command Element, Marine Rotational Force - Darwin, left, and Australian Defence Force Sgt. Aaron Costas, with 102nd Coral Battery, communicate to a B-1B Lancer pilot at Mount Bundey Training Area, Northern Territory, Australia, Aug. 14, 2020. The combined training allowed both Marines and Australian Defence Force members to learn how to communicate effectively to be ready to work together to to contribute to regional security. (U.S. Marine Corps photo by Cpl. Sarah Marshall)

A U.S. Marine puts on ear protection before shooting on the Weapon Training Simulation System at Robertson Barracks in Darwin, Northern Territory, Australia, April 29. - A U.S. Marine puts on ear protection before shooting on the Weapon Training Simulation System at Robertson Barracks in Darwin, Northern Territory, Australia, April 29.

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)

U.S. Marines go aboard the HMAS Adelaide at Port of Brisbane, Queensland, Australia, June 16, 2016. This marks the first time Marines and sailors from Marine Rotational Force - Darwin have embarked in such numbers on an Australian HMAS. This opportunity allows for MRF-D to expand the partnership capabilities with our Australian allies. The Marines are with 1st Battalion, 1st Marine Regiment, MRF-D, and the Australians are with HMAS Adelaide. - U.S. Marines go aboard the HMAS Adelaide at Port of Brisbane, Queensland, Australia, June 16, 2016. This marks the first time Marines and sailors from Marine Rotational Force - Darwin have embarked in such numbers on an Australian HMAS. This opportunity allows for MRF-D to expand the partnership capabilities with our Australian allies. The Marines are with 1st Battalion, 1st Marine Regiment, MRF-D, and the Australians are with HMAS Adelaide.

U.S. Marines, Australian soldiers and Australian sailors stand at attention for the lowering of the Australian flag aboard the HMAS Adelaide at Port of Brisbane, Queensland, Australia, June 16, 2016. This marks the first time Marines and sailors from Marine Rotational Force - Darwin have embarked in such numbers on an Australian HMAS. This opportunity allows for MRF-D to expand the partnership capabilities with our Australian allies. The Marines are with 1st Battalion, 1st Marine Regiment, MRF-D. - U.S. Marines, Australian soldiers and Australian sailors stand at attention for the lowering of the Australian flag aboard the HMAS Adelaide at Port of Brisbane, Queensland, Australia, June 16, 2016. This marks the first time Marines and sailors from Marine Rotational Force - Darwin have embarked in such numbers on an Australian HMAS. This opportunity allows for MRF-D to expand the partnership capabilities with our Australian allies. The Marines are with 1st Battalion, 1st Marine Regiment, MRF-D.

U.S. Marine Corps Cpl. Cason Cunningham, a machine gun squad leader with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, congratulates a Timor-Leste Defence Force member for excelling in room-clearing operations during Exercise Koa Moana 15.2 in Dili, Timor-Leste, June 24. The Marines conducted a bilateral exercise with one platoon of the Timor-Leste Defence Force’s land component of the naval force and one platoon of their Marines, focusing on the fundamentals of squad and platoon-level tasks. The bilateral training exercise allows the Marines to share their tactics, techniques and procedures with our international partner, strengthening our understanding of each other’s Defence forces standard operating procedures. - U.S. Marine Corps Cpl. Cason Cunningham, a machine gun squad leader with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, congratulates a Timor-Leste Defence Force member for excelling in room-clearing operations during Exercise Koa Moana 15.2 in Dili, Timor-Leste, June 24. The Marines conducted a bilateral exercise with one platoon of the Timor-Leste Defence Force’s land component of the naval force and one platoon of their Marines, focusing on the fundamentals of squad and platoon-level tasks. The bilateral training exercise allows the Marines to share their tactics, techniques and procedures with our international partner, strengthening our understanding of each other’s Defence forces standard operating procedures.

U.S. Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, participate in a conditioning hike during Exercise Southern Jackaroo 2015 June 14 at Townsville Field Training Area, Queensland, Australia. SJ15 was a combined training opportunity for the Marines with their Australian allies that helped to improve interoperability between the two forces. The U.S. Marine Corps and the Australian Defence Forces are committed to continuing their tradition of more than 100 years of global partnership and security cooperation between Australia and the United States of America. - U.S. Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, participate in a conditioning hike during Exercise Southern Jackaroo 2015 June 14 at Townsville Field Training Area, Queensland, Australia. SJ15 was a combined training opportunity for the Marines with their Australian allies that helped to improve interoperability between the two forces. The U.S. Marine Corps and the Australian Defence Forces are committed to continuing their tradition of more than 100 years of global partnership and security cooperation between Australia and the United States of America.

Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, commence Exercise Southern Jackaroo with soldiers with Company A, 3rd Battalion, The Royal Australian Regiment, Australian Army, Australian Defence Force, May 3 at Townsville Field Training Area, Queensland, Australia. SJ15 is a bilateral training exercise between soldiers from Company A, 3RAR, and the Marines with MRF-D. The rotational deployment of U.S. Marines in Australia affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. - Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, commence Exercise Southern Jackaroo with soldiers with Company A, 3rd Battalion, The Royal Australian Regiment, Australian Army, Australian Defence Force, May 3 at Townsville Field Training Area, Queensland, Australia. SJ15 is a bilateral training exercise between soldiers from Company A, 3RAR, and the Marines with MRF-D. The rotational deployment of U.S. Marines in Australia affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces.

Lance Corporal Brandon Renteria fires simulation rounds from a M32A1 multi-shot grenade launcher during a live-fire training event alongside Australian soldiers with 5th Battalion Royal Australian Regiment, Australian Army, Australian Defence Force, May 15 at Kangaroo Flats Training Area, Victoria, Northern Territory, Australia. The Marines with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, and Australian soldiers brushed up on squad attack tactics, basic point man skills and explosives to refine basic infantry skills. The rotational deployment of U.S. Marines affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. Renteria is a rifleman with Company A, 1st Battalion, 4th Marines, MRF-D. - Lance Corporal Brandon Renteria fires simulation rounds from a M32A1 multi-shot grenade launcher during a live-fire training event alongside Australian soldiers with 5th Battalion Royal Australian Regiment, Australian Army, Australian Defence Force, May 15 at Kangaroo Flats Training Area, Victoria, Northern Territory, Australia. The Marines with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, and Australian soldiers brushed up on squad attack tactics, basic point man skills and explosives to refine basic infantry skills. The rotational deployment of U.S. Marines affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. Renteria is a rifleman with Company A, 1st Battalion, 4th Marines, MRF-D.