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3rd Battalion 12th Marines

3rd Battalion 12th Marines
USMC - 3RD BN-12th MAR.png
3/12 Insignia
Active February 1, 1944 - present
Country United States
Allegiance United States of America
Branch United States Marine Corps
Type Artillery
Role Provide fires in support of 3rd Marine Division
Part of 12th Marine Regiment
3rd Marine Division
Garrison/HQ Camp Hansen, Okinawa, Japan
Nickname(s) "Warriors of the Pacific"
Engagements World War II
* Battle of Guam
* Battle of Iwo Jima
Vietnam War
Operation Desert Storm
Commanders
Current
commander
LtCol Owens, Neil

3rd Battalion 12th Marines (3/12) is an artillery battalion comprising three firing batteries and a Headquarters Battery. The firing batteries are not permanently assigned to the battalion- they are all on 6 month rotations in Okinawa from the 10th Marine Regiment and the 11th Marine Regiment (known as the Unit Deployment Program (UDP)). The battalion is stationed at Camp Hansen, Okinawa, Japan and its primary weapon system is the M777 lightweight howitzer with a maximum effective range of 30 km. The battalion utilizes the Unit Deployment Program to fill its three firing batteries with detachments from artillery units across the Marine Corps.

Provide direct support of the 3rd Marine Division in time of conflict. That support may come in the traditional fashion of artillery support to maneuver forces, or by providing batteries to serve as provisional rifle companies. They also have the secondary mission of being the primary providers of civil-military operations (CMO). CMO is defined as the activities of the commander that establish, maintain, influence, or exploit relations between military organizations, Government and civilian organizations and the civilian populace.

3rd Battalion 12th Marines was activated on September 16, 1942 at Camp Elliott, California as part of the 3rd Marine Division.

Deployed during January - February 1943 to Auckland, New Zealand

Participated in the following World War II Campaigns Bougainville Northern Solomons Guam Iwo Jima

Deactivated 28 December 1945

Reactivated 7 January 1952 at Camp Pendleton, California, as the 3rd Marine Division

Redeployed during August 1953 to Camp Gifu, Japan

Redeployed during February 1956 to Camp Courtney, Okinawa

Redeployed during April - May 1965 to the Republic of Vietnam


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