Marines


23D Marine Regiment

Unit Logo - 23rd Marine Regiment
Fourth Marine Division
Marine Corps Forces Reserve

900 Commodore Drive
San Bruno, CA. 94066

Duty Phone
650-537-2404
 


 

Colonel Robert M. Barnhart Jr.

Commanding Officer

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Official Photo

Colonel Philip H. Steuber

Senior Reserve Advisor

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Lieutenant Colonel Patrick H. Joseph

Executive Officer

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Sergeant Major Robert W. Poor

Command Senior Enlisted Leader

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Lieutenant Colonel Benjamin D. Early

Inspector-Instructor

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Sergeant Major Brian E. Anderson

Inspector-Instructor Command Senior Enlisted Leader

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MISSING PHOTO
​23D MARINE REGIMENT 

Gunnery Sergeant
Dimeterie Avery
Phone:  (650) 244-9806 x 1010
DIMETERIE.AVERY@USMC.MIL

   
 
Career Planner
1st BATTALION

Sergeant
Mark Duncan II
Phone:  (719) 317-2345
mark.duncan@usmc.mil

  Career Planner
2D BATTALION

Staff Sergeant
Cesar Rodarte
Phone:  (626) 398-0295 x 1507
cesar.rodarte@usmc.mil

Career Planner
​3D BATTALION

Staff Sergeant
David Ray
Phone:  
david.ray@usmc.mil

  MISSING PHOTO
2D BATTALION
24th MARINE REGIMENT

Sergeant
Mariah Soto
Phone:  719-317-7751
mariah.soto@usmc.mil

Career Planner
TRUCK COMPANY

Sergeant
Bradley Hunt
Phone:  (719) 317-4333
bradley.hunt@usmc.mil

 

 

   
 
         

 

 


 

 


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news  /  PHOTOS  /  VIDEOS
U.S. Marines begin to clear a building as a part of a squad urban fundamentals course during an adversary force exercise at Marine Corps Air-Ground Combat Center, Twentynine Palms, California, Dec. 5, 2024. Marines with Echo Company, 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, conducted this range to increase proficiency in multiple forms of urban building breaches during an AFX in preparation for their upcoming deployment. This will be the first time since 2020 that a Reserve unit has been activated for a deployment. (U.S. Marine Corps photo by Lance Cpl. Orion Stpierre)
U.S. Marine Corps Cpl. Troy G. Santos calibrates an 81 mm mortar during an adversarial force exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Dec. 3, 2024. Santos is a gunner from Bakersfield, California. The AFX is the primary readiness-building event prior to 2nd Battalion, 23rd Marine Regiment, 4th Marine Division’s upcoming deployment to Okinawa, Japan, in support of the Marine Corps’ Unit Deployment Program. The exercise serves as an opportunity to receive comprehensive training across all warfighting functions in a realistic and fully resourced environment. (U.S. Marine Corps photo by Cpl. Madisyn Paschal)
U.S. Marines provide support by fire while conducting urban training during an adversary force exercise at Marine Corps Air-Ground Combat Center, Twentynine Palms, California, Dec. 10, 2024. The AFX is the primary readiness-building event prior to Golf Company, 2nd Battalion, 23rd Marine Regiment’s 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. 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 with Truck Company, 23rd Marine Regiment, 4th Marine Division, Marine Forces Reserve, are awarded as the U.S. Marine Corps Motor Transport Unit of the Year during Integrated Training Exercise 4-24 at Marine Air-Ground Combat Center, Twentynine Palms, California, June 26, 2024. Units awarded are evaluated based on mission accomplishment, impact and innovation actions, employment of logistics principles and resources, and unit quality of life program. (U.S. Marine Corps photo by Lance Cpl. Orion Stpierre)
Sergeant Major Roberto Alviso reports to Colonel Robert Barnhart Jr. to be relieved as the 23d Marine Regiment Inspector Instructor Sergeant Major at the Golden Gate National Cemetery on Friday, April 12, 2024. During the ceremony, Alviso relinquished his duties to Sgt. Maj. Brian Anderson. (U.S. Marine Corps Photo by Sgt. Marissa Escobedo)
Sergeant Major Brian Anderson speaks during the 23d Marine Regiment Relief and Appointment ceremony at the Golden Gate National cemetery on Friday, April 12, 2024. During the ceremony, Sgt. Maj. Roberto Alviso relinquished his duties to Anderson. (U.S. Marine Corps Photo by Sgt. Marissa Escobedo)
Sergeant Major Brian Anderson reports to Colonel Robert Barnhart Jr. to be appointed as the 23d Marine Regiment Inspector Instructor Sergeant Major at the Golden Gate National Cemetery on Friday, April 12, 2024. During the ceremony, Sgt. Maj. Roberto Alviso relinquished his duties to Sgt. Maj. Brian Anderson. (U.S. Marine Corps Photo by Sgt. Marissa Escobedo)
Sergeant Major Brian Anderson speaks during the 23d Marine Regiment Relief and Appointment ceremony at the Golden Gate National cemetery on Friday, April 12, 2024. During the ceremony, Sgt. Maj. Roberto Alviso relinquished his duties to Anderson. (U.S. Marine Corps Photo by Sgt. Marissa Escobedo)
Sergeant Major Robert Alviso speaks during the 23d Marine Regiment Relief and Appointment ceremony at the Golden Gate National cemetery on Friday, April 12, 2024. During the ceremony, Alviso relinquished his duties to Sgt. Maj. Brian Anderson. (U.S. Marine Corps Photo by Sgt. Marissa Escobedo)

 



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