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U.S. Marines with 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, Marine Forces Reserve, collect toys, books, and other gifts during Disneyland’s Toys for Tots Drive in Anaheim, California, Dec. 9, 2023. Toys for Tots is a year-round charity that provides toys, books, and games to economically disadvantaged children and families since 1947. (U.S. Marine Corps photo by Lance Cpl. Samantha Devine)

U.S. Marines with 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, Marine Forces Reserve, collect toys, books, and other gifts during Disneyland’s Toys for Tots Drive in Anaheim, California, Dec. 9, 2023. Toys for Tots is a year-round charity that provides toys, books, and games to economically disadvantaged children and families since 1947. (U.S. Marine Corps photo by Lance Cpl. Samantha Devine)

Photo by Lance Cpl. Samantha Devine

U.S. Marines with the 3rd Marine Aircraft Wing Band, perform at Disneyland’s Toys for Tots Drive in Anaheim, California, Dec. 9, 2023. Toys for Tots is a year-round charity that provides toys, books, and games to economically disadvantaged children and families since 1947. (U.S. Marine Corps photo by Lance Cpl. Samantha Devine)

U.S. Marines with the 3rd Marine Aircraft Wing Band, perform at Disneyland’s Toys for Tots Drive in Anaheim, California, Dec. 9, 2023. Toys for Tots is a year-round charity that provides toys, books, and games to economically disadvantaged children and families since 1947. (U.S. Marine Corps photo by Lance Cpl. Samantha Devine)

Photo by Lance Cpl. Samantha Devine

A U.S. Navy landing craft, air cushion assigned to Assault Craft Unit 5 transports 15th Marine Expeditionary Unit personnel and equipment aboard the amphibious assault ship USS Boxer (LHD 4) while underway in the Pacific Ocean, Dec. 7, 2023. The 15th MEU is currently embarked aboard the Boxer Amphibious Ready Group conducting integrated training and routine operations in U.S. 3rd Fleet. (U.S. Marine Corps photo by Cpl. Amelia Kang)

A U.S. Navy landing craft, air cushion assigned to Assault Craft Unit 5 transports 15th Marine Expeditionary Unit personnel and equipment aboard the amphibious assault ship USS Boxer (LHD 4) while underway in the Pacific Ocean, Dec. 7, 2023. The 15th MEU is currently embarked aboard the Boxer Amphibious Ready Group conducting integrated training and routine operations in U.S. 3rd Fleet. (U.S. Marine Corps photo by Cpl. Amelia Kang)

Photo by Cpl. Amelia Kang

U.S. Marine Corps Capt. Philip Badrov, a field artillery officer, with Marine Rotational Force-Southeast Asia, and an Indonesian marine with 4th Marine Infantry Battalion, Pasmar 1, pose for a photo at a Joint Terminal Attack Controller Subject Matter Expert Exchange graduation during Keris Marine Exercise 2023 at Piabung Training Area, Sukabumi, West Java, Indonesia, Dec. 7, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and Indonesia Marine Corps to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Savannah Norris)

U.S. Marine Corps Capt. Philip Badrov, a field artillery officer, with Marine Rotational Force-Southeast Asia, and an Indonesian marine with 4th Marine Infantry Battalion, Pasmar 1, pose for a photo at a Joint Terminal Attack Controller Subject Matter Expert Exchange graduation during Keris Marine Exercise 2023 at Piabung Training Area, Sukabumi, West Java, Indonesia, Dec. 7, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and Indonesia Marine Corps to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Savannah Norris)

Photo by Cpl. Savannah Norris

U.S. Marine Corps Capt. Charles Heyer, left, an explosive ordnance disposal officer with Headquarters and Service Battalion, Marine Corps Instillation-West, and Lance Cpl. Hunter Bell, a machinist with 1st Maintenance Battalion, 1st Marine Logistic Group, work on an uncrewed ground vehicle during Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 5, 2023. Steel Knight is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Sgt. Anabel Abreu Rodriguez)

U.S. Marine Corps Capt. Charles Heyer, left, an explosive ordnance disposal officer with Headquarters and Service Battalion, Marine Corps Instillation-West, and Lance Cpl. Hunter Bell, a machinist with 1st Maintenance Battalion, 1st Marine Logistic Group, work on an uncrewed ground vehicle during Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 5, 2023. Steel Knight is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Sgt. Anabel Abreu Rodriguez)

Photo by Sgt. Anabel Abreu Rodriguez

U.S. Marine Corps F-35B Lightning II aircraft with Marine Fighter Attack Squadron (VMFA) 122, Marine Aircraft Group 13, 3rd Marine Aircraft Wing, takeoff during suppression of enemy air defense training in support of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec. 6, 2023. SEAD training increases the ability of fifth-generation fighter pilots to enter the fight first, strike targets deep within an enemy air defense system, and enable follow on strikes by supporting weapons platforms. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. Elizabeth Gallagher)

U.S. Marine Corps F-35B Lightning II aircraft with Marine Fighter Attack Squadron (VMFA) 122, Marine Aircraft Group 13, 3rd Marine Aircraft Wing, takeoff during suppression of enemy air defense training in support of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec. 6, 2023. SEAD training increases the ability of fifth-generation fighter pilots to enter the fight first, strike targets deep within an enemy air defense system, and enable follow on strikes by supporting weapons platforms. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. Elizabeth Gallagher)

Photo by Lance Cpl. Elizabeth Gallagher

U.S. Marine Corps Cpl. Johnson Truong, an air support operations operator with Marine Air Support Squadron 3, Marine Air Control Group 38, 3rd Marine Aircraft Wing, coordinates fire missions from the Multifunction Air Operations Center in support of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 6, 2023. The MAOC provides expeditionary aviation command and control and air surveillance to the Marine Air-Ground Task Force. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the MAGTF. (U.S. Marine Corps photo by Cpl. Daniel Childs)

U.S. Marine Corps Cpl. Johnson Truong, an air support operations operator with Marine Air Support Squadron 3, Marine Air Control Group 38, 3rd Marine Aircraft Wing, coordinates fire missions from the Multifunction Air Operations Center in support of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 6, 2023. The MAOC provides expeditionary aviation command and control and air surveillance to the Marine Air-Ground Task Force. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the MAGTF. (U.S. Marine Corps photo by Cpl. Daniel Childs)

Photo by Cpl. Daniel Childs

U.S. Marine Corps Cpl. David Schatz, a mortarman with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, sets security on a patrol during Keris Marine Exercise 2023 as part of MRF-SEA, at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 6, 2023. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Dean Gurule)

U.S. Marine Corps Cpl. David Schatz, a mortarman with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, sets security on a patrol during Keris Marine Exercise 2023 as part of MRF-SEA, at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 6, 2023. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Dean Gurule)

Photo by Cpl. Dean Gurule

U.S. Marines with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, and Indonesian marines with 4th Marine Brigade, Pasmar 1, prepare to conduct a raid during Keris Marine Exercise 2023 at Piabung Training Area, Sukabumi, West Java, Indonesia, Dec. 3, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and Indonesia Marine Corps to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Ryan H. Pulliam)

U.S. Marines with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, and Indonesian marines with 4th Marine Brigade, Pasmar 1, prepare to conduct a raid during Keris Marine Exercise 2023 at Piabung Training Area, Sukabumi, West Java, Indonesia, Dec. 3, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and Indonesia Marine Corps to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Ryan H. Pulliam)

Photo by Sgt. Ryan Pulliam

U.S. Marines with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, prepare to board an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, for a simulated airfield seizure during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

U.S. Marines with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, prepare to board an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, for a simulated airfield seizure during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

Photo by Cpl. Migel Reynosa

U.S. Marines with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, prepare to board an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, for a simulated airfield seizure during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

U.S. Marines with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, prepare to board an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, for a simulated airfield seizure during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Air Station Yuma, Arizona, Dec 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

Photo by Cpl. Migel Reynosa

U.S. Marines with the 3rd Marine Aircraft Wing All Type Model Series Armament Team unload ordnance from a CH-53E Super Stallion helicopter at a forward arming and refueling point in support of Exercise Steel Knight 23.2 at Inyokern Airfield, California, Dec. 2, 2023. ATAT is comprised of aviation ordnance Marines qualified to load and arm every type model series platform in the 3rd MAW fleet. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. Jennifer Sanchez)

U.S. Marines with the 3rd Marine Aircraft Wing All Type Model Series Armament Team unload ordnance from a CH-53E Super Stallion helicopter at a forward arming and refueling point in support of Exercise Steel Knight 23.2 at Inyokern Airfield, California, Dec. 2, 2023. ATAT is comprised of aviation ordnance Marines qualified to load and arm every type model series platform in the 3rd MAW fleet. Steel Knight 23.2 is a three-phase exercise designed to train I Marine Expeditionary Force in the planning, deployment and command and control of a joint force against a peer or near-peer adversary combat force and enhance existing live-fire and maneuver capabilities of the Marine Air-Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. Jennifer Sanchez)

Photo by Lance Cpl. Jennifer Sanchez

U.S. Marine Corps Cpl. Calub Horton, a team leader with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, patrols during a simulated airfield seizure for a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. Horton is a native of WaKeeney, Kansas. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

U.S. Marine Corps Cpl. Calub Horton, a team leader with Echo Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, patrols during a simulated airfield seizure for a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Dec. 2, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. Horton is a native of WaKeeney, Kansas. (U.S. Marine Corps photo by Cpl. Migel A. Reynosa)

Photo by Cpl. Migel Reynosa

U.S. Marine Corps Cpl. Dylan Creech, a machine gunner, 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, demonstrates how to handle the M240B machine gun during a safety brief for live-fire machine gun training exercise during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model which involves planned exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Savannah Norris)

U.S. Marine Corps Cpl. Dylan Creech, a machine gunner, 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia, demonstrates how to handle the M240B machine gun during a safety brief for live-fire machine gun training exercise during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model which involves planned exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Savannah Norris)

Photo by Cpl. Savannah Norris

U.S. Marine Corps Sgt. Ricardo Rivera, a platoon sergeant with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia and Indonesian marines with 4th Marine Infantry Battalion, Pasmar 1, conduct tactical operations during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)

U.S. Marine Corps Sgt. Ricardo Rivera, a platoon sergeant with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia and Indonesian marines with 4th Marine Infantry Battalion, Pasmar 1, conduct tactical operations during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)

Photo by Sgt. Shaina Jupiter

U.S. Marine Corps Sgt. Ricardo Rivera, a platoon sergeant with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia and Indonesian marines with 4th Marine Infantry Battalion, Pasmar 1, conduct tactical operations during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)

U.S. Marine Corps Sgt. Ricardo Rivera, a platoon sergeant with 1st Battalion, 7th Marine Regiment, attached to Marine Rotational Force-Southeast Asia and Indonesian marines with 4th Marine Infantry Battalion, Pasmar 1, conduct tactical operations during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Dec. 1, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)

Photo by Sgt. Shaina Jupiter

U.S. Marines with Marine Rotational Force-Southeast Asia, I Marine Expeditionary Force and Indonesian Marines with 4th Marine Infantry Brigade, Pasmar 1, provide tactical combat casualty care at a casualty evacuation subject matter expert exchange during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Nov. 30, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Dean Gurule)

U.S. Marines with Marine Rotational Force-Southeast Asia, I Marine Expeditionary Force and Indonesian Marines with 4th Marine Infantry Brigade, Pasmar 1, provide tactical combat casualty care at a casualty evacuation subject matter expert exchange during Keris Marine Exercise 2023 at Piabung Training Area in Sukabumi, West Java, Indonesia, Nov. 30, 2023. Keris MAREX is a bilateral exercise led by the U.S. Marine Corps and the Indonesian Marine Corps, or Korps Marinir, to promote military interoperability and maritime domain awareness capabilities, strengthen relationships, and expand military capabilities among participating forces in the advancement of a Free and Open Indo-Pacific. MRF-SEA is a Marine Corps Forces Pacific operational model that involves exchanges with subject matter experts, promotes security goals with Allies and partners, and positions I MEF forces west of the International Date Line. (U.S. Marine Corps photo by Cpl. Dean Gurule)

Photo by Cpl. Dean Gurule

U.S. Marines with 5th Marine Regiment, 1st Marine Division, unfold the roof of an Ultra Light Tactical Vehicle after unloading it from an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, during a mission rehearsal exercise as part of Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 30, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Lance Cpl. Juan Torres)

U.S. Marines with 5th Marine Regiment, 1st Marine Division, unfold the roof of an Ultra Light Tactical Vehicle after unloading it from an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron 164, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, during a mission rehearsal exercise as part of Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 30, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Lance Cpl. Juan Torres)

Photo by Lance Cpl. Juan Torres

U.S. Marines with 5th Marine Regiment, 1st Marine Division, drive an Ultra Light Tactical Vehicle during a mission rehearsal exercise as part of Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 30, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Lance Cpl. Juan Torres)

U.S. Marines with 5th Marine Regiment, 1st Marine Division, drive an Ultra Light Tactical Vehicle during a mission rehearsal exercise as part of Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 30, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Lance Cpl. Juan Torres)

Photo by Lance Cpl. Juan Torres

A U.S. Marine with Fox Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, provides aid to a simulated civilian casualty during a mass casualty training scenario for a simulated embassy reinforcement during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 29, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Earik Barton)

A U.S. Marine with Fox Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, provides aid to a simulated civilian casualty during a mass casualty training scenario for a simulated embassy reinforcement during a mission rehearsal exercise as part of Exercise Steel Knight 23.2 at Marine Corps Base Camp Pendleton, California, Nov. 29, 2023. Steel Knight maintains and sharpens I Marine Expeditionary Force as America’s expeditionary force in readiness – organized, trained and equipped to respond to any crisis, anytime, anywhere. This exercise will certify 5th Marines to be forward-postured in Australia as Marine Rotational Force - Darwin, a six-month deployment during which Marines train with Australian allies and facilitate rapid response to crises and contingencies. (U.S. Marine Corps photo by Cpl. Earik Barton)

Photo by Cpl. Earik Barton

I Marine Expeditionary Force