3rd Marine Division > Units > 12th Marine Regiment

U.S. Marines with 12th Marines, 3d Marine Division, participate in a change of command ceremony on Camp Hansen, Okinawa, Japan, May 26, 2021. The ceremony represented the transfer of responsibility, authority, and accountability from Col. Michael J. Roach, the outgoing commanding officer of 12th Marines, to Col. Nick Sims, the incoming commanding officer of 12th Marines. (U.S. Marine Corps video by Lance Cpl. Kelly A. Snyder)

U.S. Marines with 9th Engineer Support Battalion and Navy Seabees with Naval Mobile Construction Battalion 4 transport tactical vehicles on an improved ribbon bridge with Marines from 12th Marines, 3d Marine Division during exercise Pacific Pioneer, Naha Port, April 21, 2021. Pacific Pioneer served as 9th ESB’s Marine Corps Combat Readiness Evaluation as well as an opportunity to demonstrate the ability to sustain expeditionary advanced bases with survivable force protection, practice naval integration, and position long range precision fires and tactical logistics nodes across littoral regions in support of naval operations (U.S. Marine Corps photo by Lance Cpl. Alyssa Chuluda) Click here to see more photos

U.S. Marines with 3d Battalion, 12th Marine Regiment, 3d Marine Division, fire a M777A2 Howitzer during Artillery Relocation Training Program 21.1 at Combined Arms Training Center, Camp Fuji, Japan, April 28, 2021. The training contributes to the defense of Japan and the U.S.-Japan Alliance as the cornerstone of peace and security in the Indo-Pacific region. ARTP provides realistic, live-fire training opportunities to the only permanently forward-deployed artillery unit in the Marine Corps, enabling them to provide precision indirect fires from a distributed environment in support of maritime operations (U.S. Marine Corps photo by Cpl. Michael Jefferson Estillomo) Click here to see more photos

Spartan Fury 21.1: Alpha Battery at PMRF

U.S. Marine Corps Cpl. Colton Ferrin, a section chief with Alpha Battery, 1st Battalion, 12th Marines, sits on his M777A2 Howitzer during exercise Spartan Fury 21.1, Pacific Missile Range Facility, Kauai, Hawaii, March 10, 2021. Exercise Spartan Fury demonstrates 1/12’s ability to conduct distributed operations inside an adversary’s sensors and weapons engagement zone, attain and defend key maritime terrain, and conduct sea denial in support of fleet operations. (U.S. Marine Corps photo by Lance Cpl. Brandon Aultman) Click here to see more photos

U.S. Marines with 1st Marine Aircraft Wing refuel High Mobility Artillery Rocket Systems with 3d Battalion, 12th Marine Regiment, 3d Marine Division during Castaway 21.1 on Ie Shima, Okinawa, Japan, March 17, 2021. The exercise demonstrated the Marine Corps’ ability to integrate with the joint force to seize and defend key maritime terrain, provide low-signature sustainment, and execute long-range precision fires in support of naval operations from an expeditionary advanced base. (U.S. Marine Corps photo by Lance Cpl. Scott Aubuchon) Click here to see more photos

12th Marine Regiment Leaders

Colonel Jonathan N. Sims
Commanding Officer
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Sergeant Major Wesley L. Misenhimer
Sergeant Major
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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