12th Marine Regiment

Resolute Dragon

U.S. Marine Corps Sgt. Alexzander Boushie, a High Mobility Artillery Rocket System (HIMARS) chief with 3d Battalion, 12th Marines, 3d Marine Division, executes a HIMARS fire mission drill during Resolute Dragon in Camp Hachinohe, Japan on Dec. 10, 2021. RD21 is the largest bilateral field training exercise between the U.S. Marine Corps and the Japan Ground Self-Defense Force since 2013 and the largest ever in Japan. RD21 is designed to strengthen the defensive capabilities of the U.S.-Japan Alliance by exercising integrated command and control, targeting, combined arms, and maneuver across multiple domains. Boushie is a native of Prescott, Arizona. (U.S. Marine Corps photo by Lance Cpl. Jonathan Willcox).

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HIRAIN

U.S. Marines with 3d Battalion, 12th Marines, 3d Marine Division, move to a firing position during a High Mobility Artillery Rocket System rapid aerial insertion mission at Iwo To, Japan, Nov. 1, 2021. Upon landing, Marines swiftly moved to a concealed position and prepared to engage simulated targets. The training demonstrated 3d Marine Division’s ability to quickly deploy long range precision fires capabilities to key maritime terrain across the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Ujian Gosun)

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ARTP 21.3

U.S. Marines assigned to 3d Battalion, 12th Marines, 3d Marine Division, fire an M777A2 155mm Howitzer during Artillery Relocation Training Program 21.3 at Yausubetsu Maneuver Area, Hokkaido, Japan, Oct. 24, 2021. ARTP is an exercise held to strengthen the defense of Japan and the U.S.-Japan Alliance as the cornerstone of peace and security in the Indo-Pacific region. This iteration of ARTP focused on operating as a small, distributed force, capable of delivering long range precision fires with lethal effects from multiple survivable locations. (U.S. Marine Corps photo by Lance Cpl. Lorenzo Ducato)

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Convoy Operations

U.S. Marines assigned to 3d Battalion, 12th Marines, 3d Marine Division, conduct convoy operations during Artillery Relocation Training Program 21.3 at Yausubetsu Maneuver Area, Hokkaido, Japan, Oct. 21, 2021. ARTP is an exercise held to strengthen the defense of Japan and the U.S.-Japan Alliance as the cornerstone of peace and security in the Indo-Pacific region. The skills developed at ARTP increase the lethality and proficiency of the only permanently forward-deployed artillery unit in the Marine Corps, enabling them to provide precision indirect fires. (U.S. Marine Corps photo by Lance Cpl. Lorenzo Ducato)

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Talisman Sabre 21

U.S. Marines with 3d Battalion, 12th Marines, 3d Marine Division, fire GMLRS rockets from a High Mobility Artillery Rocket System during Exercise Talisman Sabre 21 on Shoalwater Bay Training Area, Queensland, Australia, July 19, 2021. TS21 supports the U.S. National Defense Strategy by enhancing the ability to protect the homeland and provide combat-credible forces to address the full range of potential security concerns in the Indo-Pacific (U.S. Marine Corps photo by Lance Cpl. Ujian Gosun)

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12th Marine Regiment Leaders

Commanding Officer

Colonel Jonathan N. Sims

Colonel Jonathan Nicklas Sims earned his commission from the Officers Candidate Course after graduating from Texas Tech University with a Bachelor Degree in Economics. Upon graduation from The Basic School in December 1998, he reported to Ft Sill, Oklahoma for instruction in the United States Army...

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Official Photo

Sergeant Major

Sergeant Major Ismael G. Bamba

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12th Marine Regiment

3d Marine Division

UNIT 36050

FPO AP 96385-6050

After Hours Duty Phone

DSN: 315-623-7355

COM: +81-98-969-7355

Uniform Victim Advocate (UVA)

DSN: 315-623-4647

COM: +81-98-969-4647

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S-1 (Administration)

Billet	Phone Number
S-1 Adjutant Officer	DSN: 315-623-4141 COM: +81-98-969-4141
S-1 Chief	DSN: 315-623-7355 COM: +81-98-969-7355
Career Planner	DSN: 315-623-2000 COM: +81-98-969-2000
Unit Voting Assistance Officer	DSN: 315-623-1140 COM: +81-98-969-1140

S-2 (Intelligence)

Billet	Phone Number
S-2 Officer	DSN: 315-623-7237 COM: +81-98-969-7237

S-3 (Operations)

Billet	Phone Number
S-3 Officer	DSN: 315-623-4520 COM: +81-98-969-4520
S-3 Chief	DSN: 315-623-4050 COM: +81-98-969-4050

S-4 (Logistics)

Billet	Phone Number
S-4 Officer	DSN: 315-623-7277 COM: +81-98-969-7277
S-4 Chief	DSN: 315-623-7216 COM: +81-98-969-7216
Supply	DSN: 315-623-7679 COM: +81-98-969-7679
Chaplain	DSN: 315-623-7398 COM: +81-98-969-7398
Medical	DSN: 315-623-8807 COM: +81-98-969-8807