Learning Our History: 4th Marines Battle Site Tour in Okinawa

U.S. Marines explore the former Japanese Navy Underground Headquarters during a battle site tour in Okinawa, Japan, Sep. 7, 2023. The Marines visited Hacksaw Ridge, the Battle of Okinawa Historical Display Museum and the former Japanese Naval Underground Headquarters to gain a better understanding of Marine Corps history in Okinawa during World War II. The Marines are with 4th Marine Regiment, 3d Marine Division.

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Fuji Viper 23.3: High Explosives Range

U.S. Marines fire an M3E1 Multi-purpose Anti-armor Anti-personnel Weapon System during Fuji Viper 23.3 at Combined Arms Training Center Camp Fuji, Japan, Aug 29, 2023. Fuji Viper is an annual exercise that enables Marines operating in Japan the opportunity to conduct combined arms live-fire training and maintain operational readiness, tactical proficiency, and lethality within the first island chain. 3d Battalion, 5th Marines is forward deployed in the Indo-Pacific under 4th Marines, 3d Marine Division as part of the Unit Deployment Program.

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Fuji Viper 23.3 Multi-Weapon Systems Range

U.S. Marines maneuver to a concealed position during Fuji Viper 23.3 at Combined Arms Training Center Camp Fuji, Japan, Sep. 4, 2023. Fuji Viper is an annual exercise that enables Marines operating in Japan the opportunity to conduct combined arms live-fire training and maintain operational readiness, tactical proficiency, and lethality within the first island chain. 3d Battalion, 5th Marines is currently forward deployed in the Indo-Pacific under 4th Marines, 3d Marine Division as part of the Unit Deployment Program.

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Fuji Viper 23.3 Live-Fire Squad Attacks

U.S. Marines fire M240B machine guns during a live-fire squad attack as part of Fuji Viper 23.3 at Combined Arms Training Center Camp Fuji, Japan, Sep. 6, 2023. Fuji Viper is an annual exercise that enables Marines operating in Japan the opportunity to conduct combined arms live-fire training and maintain operational readiness, tactical proficiency, and lethality within the first island chain. 3d Battalion, 5th Marines is currently forward deployed in the Indo-Pacific under 4th Marines, 3d Marine Division as part of the Unit Deployment Program.

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Fuji Viper 23.3 Unknown Distance Live-Fire Range

U.S. Marine Corps Lance Cpl. Christian Ferguson fires an M4 carbine during an unknown distance live-fire range as part of Fuji Viper 23.3 at Combined Arms Training Center Camp Fuji, Japan, Aug. 23, 2023. Fuji Viper is an annual exercise that enables Marines operating in Japan the opportunity to conduct combined arms live-fire training and maintain operational readiness, tactical proficiency, and lethality within the first island chain. Ferguson, a native of Little Rock, Arkansas, is a rifleman with 3d Battalion, 5th Marines and is currently forward deployed in the Indo-Pacific under 4th Marines, 3d Marine Division as part of the Unit Deployment Program.

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4th Marine Regiment Leaders

Commanding Officer

Colonel Richard S. Barclay

Colonel Rich Barclay was born and raised in Indianapolis, Indiana. He was the first in his family to finish college, graduating in 2000 from Indiana University in Bloomington, Indiana. He attended Officer Candidates Course 174 in the Summer of 2000, graduating and commissioning as a 2ndLt in...

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Official Photo

Sergeant Major

Sergeant Major Christopher L. Rivera

Sergeant Major Rivera assumed his position as the Command Senior Enlisted Leader of the 4th Marine Regiment, March 2024.Sergeant Major Rivera enlisted in the Marine Corps in July 2000, and attended recruit training at MCRD, Parris Island, South Carolina 2nd Battalion, Fox Company. After Recruit...

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Official Photo

Contact Information
S Shops
Additional Services
Sergeant Major's Corner

4th Marine Regiment

3d Marine Division

Address
UNIT 35970, FPO AP 96389-5970

After Hours Duty Phone
DSN: 315-625-1218
Cell phone: 080-2721-0971

Headquarters Company

Company Commander DSN
315-625-2567

Company First Sergeant DSN
315-625-2205

Company Gunnery Sergeant DSN
315-625-4339

Company Clerk DSN
315-625-2247

West Coast

DSN: 315-625-2449
Cell Phone: 080-2721-0956

East Coast

DSN: 315-625-9800
Cell Phone: 080-8367-8592

Hawaii

DSN: 315-623-8736
Cell Phone: 080-8366-6082

S1 (Admin)

Adjutant / Voting Officer
DSN: 315-625-2254
COM: 011-81-611-725-2254

Admin Chief
DSN: 315-625-2269
COM: 011-81-611-725-2639

Admin Office
DSN: 315-625-2639
COM: 011-81-611-725-2600

S2 (Intel)

Intel Officer
DSN: 315-625-2606
COM: 011-81-611-725-2606

Intel Chief
DSN: 315-625-2588
COM: 011-81-611-725-4330

Intel Office
DSN: 315-625-2609
COM: 011-81-611-725-2609

S3 (Ops)

Ops Officer
DSN: 315-625-2663
COM: 011-81-611-725-2663

Ops Chief
DSN: 315-625-2629
COM: 011-81-611-725-2629

Ops Office
DSN: 315-625-2605
COM: 011-81-611-725-2605

S4 (Log)

Logistics Officer
DSN: 315-625-2153
COM: 011-81-611-725-2366

Embark Officer
DSN: 315-625-2693
COM: 011-81-611-725-2659

Logistics Chief
DSN: 315-625-2151
COM: 011-81-611-725-2897

Supply Officer
DSN: 315-625-2647
COM: 011-81-611-725-2553

Supply Office
DSN: 315-625-2710
COM: 011-81-611-725-2389

Motor-T Dispatch
DSN: 315-625-2583
COM: 011-81-611-725-2583

Motor-T Officer
DSN: 315-625-2514
COM: 011-81-611-725-2514

Motor-T Chief
DSN: 315-625-2210
COM: 011-81-611-725-2210

S6 (Comm)

Communications Platoon

Communications Admin Office
DSN: 315-625-1118
COM: 011-81-611-725-4503

Maint
DSN: 315-625-1114
COM: 011-81-611-725-2403

Radio
DSN: 315-625-2384
COM: 011-81-611-725-2384

Data
DSN: 315-625-4505
COM: 011-81-611-725-4501

Wire
DSN: 315-625-7690
COM: 011-81-611-725-4511

S-6 Officer
DSN: 315-625-4512
COM: 011-81-611-725-2278

S-6 Chief
DSN: 315-625-2164
COM: 011-81-611-725-2164

Chaplain
DSN: 315-625-2682
COM: 011-81-611-725-2682
CELL: 090-6861-4763

Religious Program Specialist (RP1)
DSN: 315-625-2650
COM: 011-81-611-725-2650

Regimental Aid Station
RAS Officer (4th Marines Surgeon)
DSN: 315-625-2760
COM: 011-81-611-725-2760

RAS
DSN: 315-625-2402
COM: 011-81-611-725-2402

Dental
DSN: 315-625-2603
COM: 011-81-611-725-2463

Career Planner
DSN: 315-625-2670
COM: 011-81-611-725-2670

DRC - Deployment Readiness Coordinator
DSN: 315-625-7096

Marines

Learning Our History: 4th Marines Battle Site Tour in Okinawa

Fuji Viper 23.3: High Explosives Range

Fuji Viper 23.3 Multi-Weapon Systems Range

Fuji Viper 23.3 Live-Fire Squad Attacks

Fuji Viper 23.3 Unknown Distance Live-Fire Range