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HomeNews & PhotosOperations and Exercises2024UDP 25.1

Unit Deployment Program 25.1

Unit Logo - 23rd Marine Regiment
2nd Battalion, 23rd Marine Regiment
4th Marine Division

ABOUT 

To reduce the number of unaccompanied tours and improve unit continuity, the Commandant of the Marine Corps (CMC) established UDP to provide for the deployment of units to the Western Pacific (WESTPAC) for periods of approximately six months. The initial program was a six-phased evolution that sequenced infantry battalions and aircraft squadrons/detachments into WESTPAC deployments, thus eliminating the 12-month permanent change of station assignments for personnel assigned to these units.

 

 


news  /  PHOTOS  /  VIDEOS
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2/23 Leaves for UDP
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)
UDP 25.1 PHOTO GALLERY
U.S. Marines Fire HIMARS in Latvia During Exercise Dynamic Front 19
A U.S. Marine with Fox Battery, 2nd Battalion, 14th Marine Regiment, 4th Marine Division, prepares to load rockets to a High Mobility Artillery Rocket System during live-fire training at Adazi Training Area, Latvia, March 7, 2019, in support of exercise Dynamic Front 19. Exercise Dynamic Front 19 includes approximately 3,200 service members from 27 nations who are observing or participating from Grafenwoehr Training Area, Germany; Riga, Latvia; and Torun, Poland; during March 2-9, 2019. Dynamic Front is an annual U.S. Army Europe exercise focused on the readiness and interoperability of U.S. Army, joint service, and allied and partner nations’ artillery and fire support working together in a multinational environment. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)
NEWS AND PRESS RELEASES


PRESS RELEASE: Marine Reserve Battalion Prepares for Deployment to Okinawa, Japan
https://www.marforres.marines.mil/News-Photos/MARFORRES-News/Article/4114762/press-release-marine-reserve-battalion-prepares-for-deployment-to-okinawa-japan/


A corpsman’s heroic actions save the life of a Marine before an upcoming deployment
https://www.marforres.marines.mil/News-Photos/MARFORRES-News/Article/4035917/a-corpsmans-heroic-actions-save-the-life-of-a-marine-before-an-upcoming-deploym/


PRESS RELEASE:  Fox Company, 2nd Battalion, 23rd Marine Regiment Leaves for Six-Month Deploymenthttps://www.marforres.marines.mil/news-photos/marforres-news/article/4016149/press-release-fox-company-2nd-battalion-23rd-marine-regiment-leaves-for-six-mon/


Valley Springs Firefighter Deploys with the Marines
https://new.thepinetree.net/?p=187361