U.S. Marines with Lima Co., 3rd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 23 engage simulated targets during Exercise Southern Jackaroo 23 in Townsville Field Training Area, Queensland, Australia, July 1, 2023. Southern Jackaroo is a trilateral exercise with MRF-D, Japanese Ground Self-Defense Force, and Australian Defence Force, with Republic of Korea observers, working together to achieve fire, maneuver, and communications interoperability objectives. - U.S. Marines with Lima Co., 3rd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 23 engage simulated targets during Exercise Southern Jackaroo 23 in Townsville Field Training Area, Queensland, Australia, July 1, 2023. Southern Jackaroo is a trilateral exercise with MRF-D, Japanese Ground Self-Defense Force, and Australian Defence Force, with Republic of Korea observers, working together to achieve fire, maneuver, and communications interoperability objectives.

U.S. Marine Corps F/A-18 Hornets assigned to Marine Fighter Attack Squadron 323, Marine Aircraft Group 11, 3rd Marine Aircraft Wing, conduct air-to-air refueling with a U.S. Air Force KC-135 Stratotanker during a trans-Pacific flight en route to Marine Aviation Support Activity 23, at sea, July 8, 2023. MASA is a bilateral exercise between the Armed Forces of Philippines and the U.S. Marine Corps, aimed at enhancing interoperability and coordination focused on aviation-related capabilities. - U.S. Marine Corps F/A-18 Hornets assigned to Marine Fighter Attack Squadron 323, Marine Aircraft Group 11, 3rd Marine Aircraft Wing, conduct air-to-air refueling with a U.S. Air Force KC-135 Stratotanker during a trans-Pacific flight en route to Marine Aviation Support Activity 23, at sea, July 8, 2023. MASA is a bilateral exercise between the Armed Forces of Philippines and the U.S. Marine Corps, aimed at enhancing interoperability and coordination focused on aviation-related capabilities.

U.S. Marines with India Company, 3rd Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, approach a support by fire position during a platoon live-fire attack as part of exercise Darrandarra 22, at Mount Bundey Training Area, NT, Australia, June 10, 2022. Exercise Darrandarra 22 increases MRF-D 22’s readiness to respond to realistic crises throughout the range of military operations within the region. - U.S. Marines with India Company, 3rd Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, approach a support by fire position during a platoon live-fire attack as part of exercise Darrandarra 22, at Mount Bundey Training Area, NT, Australia, June 10, 2022. Exercise Darrandarra 22 increases MRF-D 22’s readiness to respond to realistic crises throughout the range of military operations within the region.

U.S Marines with Marine Rotational Force–Darwin 22 secure a possible amphibious landing site during the Operational Regional War Fighter at Cowley Beach Training Area, Queensland. Operation Regional War Fighter supports the Australian Army’s recent focus on enhancing capabilities in the jungle, which mimics conditions seen in the nearby region. - U.S Marines with Marine Rotational Force–Darwin 22 secure a possible amphibious landing site during the Operational Regional War Fighter at Cowley Beach Training Area, Queensland. Operation Regional War Fighter supports the Australian Army’s recent focus on enhancing capabilities in the jungle, which mimics conditions seen in the nearby region.

U.S. Marines with Marine Rotational Force-Darwin 22 and Australian Army soldiers secure an objective during exercise Predator's Run 22 at Mount Bundey Training Area, NT, Australia, Aug. 27, 2022. Predator's Run 22 is a multinational exercise that simulates littoral combined arms maneuver in a large-scale force-on-force environment. - U.S. Marines with Marine Rotational Force-Darwin 22 and Australian Army soldiers secure an objective during exercise Predator's Run 22 at Mount Bundey Training Area, NT, Australia, Aug. 27, 2022. Predator's Run 22 is a multinational exercise that simulates littoral combined arms maneuver in a large-scale force-on-force environment.

U.S. Marine Corps Lt. Gen. Stephen Sklenka, deputy commander of U.S. Indo-Pacific Command, meets with Australian Army Warrant Officer Class One Brad Doyle, the regimental sergeant major of 1st Brigade, and Australian Army Brig. Gen. Nicholas Foxall, the commanding officer of 1st Brigade, at Robertson Barracks, NT, Australia, Aug. 25, 2022. U.S. INDOPACOM and Marine Corps Forces Pacific deputy commanders toured the Australian Army 1st Brigade headquarters during their visit in Darwin. - U.S. Marine Corps Lt. Gen. Stephen Sklenka, deputy commander of U.S. Indo-Pacific Command, meets with Australian Army Warrant Officer Class One Brad Doyle, the regimental sergeant major of 1st Brigade, and Australian Army Brig. Gen. Nicholas Foxall, the commanding officer of 1st Brigade, at Robertson Barracks, NT, Australia, Aug. 25, 2022. U.S. INDOPACOM and Marine Corps Forces Pacific deputy commanders toured the Australian Army 1st Brigade headquarters during their visit in Darwin.

U.S. Marine Corps Lance Cpl. Dexter Madrigal, a rifleman with 3d Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, and Australian Army Pvt. Daniel Rochford, with 16th Battalion, Royal Western Australian Regiment, pose for a photograph under the stars after completing an airfield seizure event as part of exercise Koolendong 22, at Royal Australian Air Force Base Curtin, WA, Australia, July 19, 2022. Exercise Koolendong 22 is a combined and joint force exercise focused on expeditionary advanced base operations conducted by U.S. Marines, U.S. Soldiers, U.S. Airmen, and Australian Defence Force personnel. - U.S. Marine Corps Lance Cpl. Dexter Madrigal, a rifleman with 3d Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, and Australian Army Pvt. Daniel Rochford, with 16th Battalion, Royal Western Australian Regiment, pose for a photograph under the stars after completing an airfield seizure event as part of exercise Koolendong 22, at Royal Australian Air Force Base Curtin, WA, Australia, July 19, 2022. Exercise Koolendong 22 is a combined and joint force exercise focused on expeditionary advanced base operations conducted by U.S. Marines, U.S. Soldiers, U.S. Airmen, and Australian Defence Force personnel.

A U.S. Marine with 3d Platoon, Lima Company, 3d Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, helps a simulated casualty off of the battlefield during a simulated combat defense as part of exercise Southern Jackaroo 22 at Shoalwater Bay Training Area, May 21, 2022. Southern Jackaroo is a multilateral exercise carried out by Marines with MRF-D, the Australian Army and Japan Ground Self-Defense Force soldiers, focusing on live-fire and combined arms training. (U.S. Marine Corps Photo by Cpl. Cedar Barnes) - A U.S. Marine with 3d Platoon, Lima Company, 3d Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, helps a simulated casualty off of the battlefield during a simulated combat defense as part of exercise Southern Jackaroo 22 at Shoalwater Bay Training Area, May 21, 2022. Southern Jackaroo is a multilateral exercise carried out by Marines with MRF-D, the Australian Army and Japan Ground Self-Defense Force soldiers, focusing on live-fire and combined arms training. (U.S. Marine Corps Photo by Cpl. Cedar Barnes)

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)

Australian Army soldiers, assigned to 2nd Battalion, Royal Australian Regiment, and U.S. Marines, assigned to Battalion Landing Team, 2nd Battalion, 5th Marines, work together during an amphibious assault exercise during Talisman Sabre 2015 at Fog Bay, Australia, July 11, 2015. Talisman Sabre is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Force personnel to conduct operations in a combined, joint and interagency environment that will increase both countries’ ability to plan and execute a full range of operations from combat missions to humanitarian assistance efforts. - Australian Army soldiers, assigned to 2nd Battalion, Royal Australian Regiment, and U.S. Marines, assigned to Battalion Landing Team, 2nd Battalion, 5th Marines, work together during an amphibious assault exercise during Talisman Sabre 2015 at Fog Bay, Australia, July 11, 2015. Talisman Sabre is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Force personnel to conduct operations in a combined, joint and interagency environment that will increase both countries’ ability to plan and execute a full range of operations from combat missions to humanitarian assistance efforts.

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.