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Marines

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U.S. Marines with Alpha Company, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, operate an assault amphibious vehicle during a live-fire range at Fort Barfoot, Virginia, April 4, 2024. This training prepared the Marines for this year's Integrated Training Exercise 4-24, the Marine Corps Reserve's premiere annual training event held at Marine Corps Air-Ground Combat Center Twentynine Palms, California, and gave them the opportunity to qualify on critical skill sets necessary for mission success. (U.S. Marine Corps photo by Lance Cpl. Juan Diaz)

U.S. Marines with Alpha Company, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, operate an assault amphibious vehicle during a live-fire range at Fort Barfoot, Virginia, April 4, 2024. This training prepared the Marines for this year's Integrated Training Exercise 4-24, the Marine Corps Reserve's premiere annual training event held at Marine Corps Air-Ground Combat Center Twentynine Palms, California, and gave them the opportunity to qualify on critical skill sets necessary for mission success. (U.S. Marine Corps photo by Lance Cpl. Juan Diaz)

Photo by Lance Cpl. Juan Diaz

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)

Photo by Sgt. Justin Bopp

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)

Photo by Sgt. Justin Bopp

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Photo by Lance Cpl. Samwel Tabancay

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Photo by Lance Cpl. Samwel Tabancay

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Photo by Lance Cpl. Samwel Tabancay

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Lt. Col. Alexis Santiago relinquished command of 4th Assault Amphibian Battalion (AAV) in a change of command ceremony on Dec. 4, 2021 in Tampa, Florida. Santiago was assigned to Headquarters and Support Company, 4th Amphibious Assault Battalion in 1994 and served the majority of his 29 year career in Tampa, Florida.

Photo by Lance Cpl. Samwel Tabancay

Marines with 4th Assault Amphibian Battalion, 4th Marine Division, maneuver towards range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps Photo By Lance Cpl. David Intriago)

Marines with 4th Assault Amphibian Battalion, 4th Marine Division, maneuver towards range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps Photo By Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

Marines with 4th Assault Amphibian Battalion, 4th Marine Division, maneuver towards range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps Lance Cpl. David Intriago)

Marines with 4th Assault Amphibian Battalion, 4th Marine Division, maneuver towards range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

Cpl. Ryan Mayer, an assistant maintenance chief with 4th Assault Amphibian Battalion, 4th Marine Division, observes his surroundings at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Cpl. Ryan Mayer, an assistant maintenance chief with 4th Assault Amphibian Battalion, 4th Marine Division, observes his surroundings at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Cpl. Christian Fontaine, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division, conducts preparations to advance at range 114 during Integrated Training Exercise (ITX) 4-21 at Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, California on July 20, 2021. ITX is the culmination of Marine Forces Reserve units’ training cycle as they participate in a live-fire, combined arms exercise as a part of an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Lance Cpl. David Intriago)

Photo by Lance Cpl. David Intriago

U.S. Marines with 4th Assault Amphibian Battalion, 4th Marine Division boresight an Assault Amphibious Vehicle on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Marines from over 40 units participate in ITX, making it the largest U.S. Marine Corps Reserve training exercise in 2019. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marines with 4th Assault Amphibian Battalion, 4th Marine Division boresight an Assault Amphibious Vehicle on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Marines from over 40 units participate in ITX, making it the largest U.S. Marine Corps Reserve training exercise in 2019. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marines Sgt. David Brannock, left, a section leader, and Lance Cpl. Adolfo-James Lerma, right, a driver; both with 4th Assault Amphibian Battalion, 4th Marine Division, boresight an Assault Amphibious Vehicle on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Marines from over 40 units participate in ITX, making it the largest U.S. Marine Corps Reserve training exercise in 2019. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marines Sgt. David Brannock, left, a section leader, and Lance Cpl. Adolfo-James Lerma, right, a driver; both with 4th Assault Amphibian Battalion, 4th Marine Division, boresight an Assault Amphibious Vehicle on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Marines from over 40 units participate in ITX, making it the largest U.S. Marine Corps Reserve training exercise in 2019. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marine, Jonathyn Smith, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division prepare ammunition for Assault Amphibious Vehicles on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. AAVs were introduced in 1984 and designed to transport troops in combative environments during sea-based operations. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marine, Jonathyn Smith, a crew chief with 4th Assault Amphibian Battalion, 4th Marine Division prepare ammunition for Assault Amphibious Vehicles on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. AAVs were introduced in 1984 and designed to transport troops in combative environments during sea-based operations. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marine Staff Sgt. Randy Griffith, a training chief with 4th Assault Amphibian Battalion, 4th Marine Division presents a safety brief to Marines on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marine Staff Sgt. Randy Griffith, a training chief with 4th Assault Amphibian Battalion, 4th Marine Division presents a safety brief to Marines on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marine Lance Cpl. Rudy Batz, a driver with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marine Lance Cpl. Rudy Batz, a driver with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marine Lance Cpl. John Olay, a crewman with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marine Lance Cpl. John Olay, a crewman with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT

U.S. Marine Lance Cpl. Rudy Batz, a driver with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

U.S. Marine Lance Cpl. Rudy Batz, a driver with 4th Assault Amphibian Battalion, 4th Marine Division sets up camouflage netting on Range 110 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 7, 2019. Exercises like ITX ensure Marine Forces Reserve is a proficient force, ready for world-wide deployment at any given time. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)

Photo by COMMSTRAT