Fourth Marine Division

U.S. Marine Corps Staff Sgt. Ezequiel Delatorre, a network chief, with Headquarters and Service Company, 2nd Battalion, 23rd Marines, 4th Marine Division, Marine Forces Reserve, and a native of Oxnard California, counts Marines as they walk into a bus on Marine Air Ground Combat Center Twentynine Palms, California, March 11, 2025.The Marines are headed to Kadena Air Base, Okinawa, Japan as part of Unit Deployment Program 25.1. The activation marks the beginning of an intensive period of training for 2nd Battalion, 23rd Marines as they provide a total force solution in support of the UDP by aligning Marine Forces Reserve’s commitment to Marine Corps strategic objectives. This is first time since 2020 that an entire Reserve infantry battalion has activated to support the Unit Deployment Program. (U.S. Marine Corps photo by Sgt. Scott Jenkins)

U.S. Marines with 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, conduct high-speed, open water operations using a multi-mission reconnaissance craft–alpha variant, Tampa, Florida, March 4, 2025. The MMRC-A will enable Marines with 4th AABn to continue to train and operate in the maritime domain, supporting service level littoral maneuver concept development efforts. (U.S. Marine Corps photo by Lance Cpl. Van Hoang)

Sgt. Dakota Linker, administrative chief, Inspector-Instructor (I&I), Communications Company, 14th Marine Regiment, 4th Marine Division, was awarded the Navy and Marine Corps Achievement Medal in Indianapolis, Indiana on Feb. 20, 2025. Linker received the award for his efforts in recruiting four Marines from the Individual Ready Reserve (IRR) into the Selected Marine Corps Reserve (SMCR). To date, he has successfully brought eight Marines back into service, with one following his lead by joining the Active Reserve (AR) program. (U.S. Marine Corps Photo by Major Lara Soto)

U.S. Marine Corps Brig. Gen. Kevin Jarrard, commanding general, 4th Marine Division, meets with the naval architects with Naval Service Warfare Center Carderock, Combatant Craft Division to conduct pre-delivery inspection trials on the Multi Mission Reconnaissance Craft-A littoral craft in Edenton, North Carolina, Jan. 28, 2025. The predelivery inspection allows the naval architects to ensure that the MMRC-A performs and meets the required naval standards in small craft. (U.S. Marine Corps photo by Cpl. Aaron TorresLemus)

U.S. Marines with Golf Battery, 3rd Battalion, 14th Marine Regiment, 4th Marine Division, reload an M777 Howitzer during a Fire Support Coordination Exercise as part of Adversary Force Exercise 1-25 at Training Area Quackenbush, Marine Corps Air-Ground Combat Center, Twentynine Palms, California, Jan. 22, 2025. FSCEX is a live-fire training event integrating infantry battalion combat operations center functions, distributed artillery, mobile fire support teams, close air support assets, and electronic warfare support teams. The purpose of AFX is to create a credible, realistic threat for the exercise forces participating in Service Level Training Exercise 1-25 to engage against during the upcoming Marine Air-Ground Task Force Warfighting Exercise in a force-on-force, unscripted wargame. (U.S. Marine Corps video by Lance Cpl. Micah Thompson)

U.S. Navy Hospital Corpsman Petty Officer 1st Class Billy Bui, a senior line corpsman with Weapons Company, 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, poses for a photo during an Adversarial Force Exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Dec. 9, 2024. Marines with 2nd Battalion, 23rd Marine Regiment participated in AFX, the primary readiness generating event, prior to their deployment as an opportunity to receive training across all warfighting functions in a realistic and fully resourced environment. This deployment is significant for the Reserve battalion and Reserve force contributing units to support exercises and operations outside of the continental U.S. (U.S. Marine Corps photo by Cpl. Madisyn Paschal)

U.S. Marine Corps Capt. Jordan Kline, a force reconnaissance platoon commander, provides air support for a tactical air control party during a close air support exercise at Camp Shelby, Mississippi, Dec. 4, 2024. Marines with 3rd Force Reconnaissance, 4th Marine Division, Marine Forces Reserve, conducted TACP CASEX to ensure unit readiness and combat capability. TACP exercises also prepares prospective Joint Terminal Attack Controllers and Joint Fires Observers for formal schools. (U.S. Marine Corps photo by Lance Cpl. Edward Spears)

U.S. Marines execute motorized fire and movement training during an adversarial force exercise on Noble’s Pass at Marine Corps Air-Ground Combat Center, Twentynine Palms, California, Dec. 4, 2024. Marines with Weapons Company and Motor Transport Company, 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, conducted this range to increase accuracy and efficiency in motorized fire in preparation for their upcoming deployment to Okinawa, Japan, in support of the Marine Corps’ Unit Deployment Program. The exercise serves as an opportunity to receive training across all warfighting functions in a realistic and fully resourced environment. (U.S. Marine Corps photo by Lance Cpl. Orion Stpierre)

U.S. Marine Corps Lance Cpl. Lindy Young, administration specialist with Fox Company, 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, packs her personal items to prepare during her unit’s activation for the unit deployment program at Camp Williams, Utah, Nov. 2, 2024. The activation marks the beginning of an intensive period of training for 2nd Battalion, 23rd Marines as they provide a total force solution in support of the UDP by aligning Marine Forces Reserve’s commitment to Marine Corps strategic objectives. This marks the first time since 2020 that an entire Reserve infantry battalion has activated to support the Unit Deployment Program. (U.S. Marine Corps photo by Cpl. Aaron TorresLemus)

U.S. Marines assigned to 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, deploy for training in support of exercise Archipelago Endeavor, near Berga Naval Base, Sweden, Aug. 26 to Sept. 13, 2024. Exercise Archipelago Endeavor is an annual integrated, Swedish Armed Forces-led exercise that increases operational capabilities between U.S. Marines and Swedish Forces. (U.S. Marine Corps video by Cpl. Kanoa Thomas)

U.S. Marine Corps Cpl. Nick Jasch, infantry rifleman and his assistant-gunner with 1st Battalion, 24th Marine Regiment, fires a M240 machine gun as a part of Exercise Formosa Sept. 9, 2024, in Formosa, Brazil. Formosa is an annual major Brazilian military exercise with U.S. participation aimed at enhancing the bilateral training partnership between the United States Marine Corps and Brazil, strengthening regional security, as well as building relationships. (U.S. Marine Corps photo by Lance Cpl. Aaron TorresLemus)