12th Marine Regiment

Resolute Dragon 22: Closing Ceremony

U.S. Marines with 12th Marines, 3d Marine Division, and members of the Northern Army, Japan Self- Defense Force, participate in the closing ceremony for exercise Resolute Dragon 22 at Yausubetsu Maneuver Area, Hokkaido, Japan, Oct. 14, 2022. Resolute Dragon 22 is an annual bilateral exercise 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. (U.S. Marine Corps photo by Cpl. Diana Jimenez)

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Resolute Dragon 22: Himars Live-fire

U.S. Marines with 3d Battalion, 12th Marines, 3d Marine Division, fire rockets from an M142 High Mobility Artillery Rocket System during exercise Resolute Dragon 22 at Yausubetsu Maneuver Area, Hokkaido, Japan, Oct. 14, 2022. Resolute Dragon 22 is an annual bilateral exercise 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. (U.S. Marine Corps photo by Cpl. Diana Jimenez)

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Resolute Dragon 22: HIRAIN

U.S. Marines with 3d Battalion, 12th Marine Regiment, 3d Marine Division, execute a High Mobility Artillery Rocket System Rapid Infiltration from a KC-130J Super Hercules aircraft as part of exercise Resolute Dragon 22 at Kenebetsu Air Base, Hokkaido, Japan, Oct. 6, 2022. Resolute Dragon 22 is an annual bilateral exercise 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. (U.S. Marine Corps photo by Sgt. Abrey Liggins)

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Resolute Dragon 22

Japan Ground Self-Defense Force Sgt. 1st Class Naoki Sumiyoshi with 3d Surface Ship Missile Regiment briefs U.S. Marines from 3d Battalion, 12th Marines on the Type 88 Surface-to-Ship Missile during a demonstration as a part of Resolute Dragon 22 at Camp Shizunai, Hokkaido, Japan, Oct. 12, 2022. Resolute Dragon 22 is an annual bilateral exercise 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. (U.S. Marine Corps photo by Cpl. Davin Tenbusch)

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ARTP 22.2 M777 Live Fire

U.S. Marines with Charlie Company, 3d Battalion, 12th Marines, 3d Marine Division fire an M777 howitzer during Artillery Relocation Training Program 22.2 at the Combined Arms Training Center, Camp Fuji, Japan, Aug. 29, 2022. 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. (U.S. Marine Corps photo by Lance Cpl. Jaylen Davis)

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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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Sergeant Major

Sergeant Major Ismael G. Bamba

Sergeant Major Ismael G. Bamba enlisted in the Marine Corps in March 1999 and completed recruit training at MCRD Parris Island, SC where he was meritoriously promoted to Private First Class. Following Recruit Training, he attended the School of Infantry in Camp Lejeune, NC where he received the MOS...

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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

S-6 (Communications)

Billet	Phone Number
S-6 Officer	DSN: 315-623-7336 COM: +81-98-969-7336
S-6 Chief	DSN: 315-623-7095 COM: +81-98-969-7095

Deployment Readiness

Billet	Phone Number
Deployment Readiness Coordinator	DSN: 315-623-4086 COM: +81-98-969-4086

Resolute Dragon 22: Closing Ceremony

Resolute Dragon 22: Himars Live-fire

Resolute Dragon 22: HIRAIN

Resolute Dragon 22

ARTP 22.2 M777 Live Fire

ARTP 22.2 M777 Live Fire

12th Marine Regiment Leaders

Colonel Jonathan N. Sims

Sergeant Major Ismael G. Bamba