12th Marine Regiment (United States)

The 12th Marine Regiment is an artillery regiment of the United States Marine Corps based at Camp Smedley Butler, Okinawa, Japan. Nicknamed "Thunder and Steel," the regiment falls under the command of the 3rd Marine Division.

Mission
Provide close and continuous fire support by neutralizing, destroying, or suppressing targets which threaten the success of the supported unit.

Current Units
The regiment is made up of two artillery battalions and one headquarters battery:
 * Headquarters Battery 12th Marines
 * 1st Battalion 12th Marines
 * 3rd Battalion 12th Marines

History
Activated October 4, 1927 at Tientsin, China and assigned to the 3rd Marine Brigade.

World War II
The regiment was reactivated September 1, 1942 at San Diego, California, as the 12th Marines and assigned to the 3rd Marine Division. They relocated during October 1942 to Camp Dunlap, California. From there the deployed during March 1943 to Auckland, New Zealand. In July 1943 they moved to Guadalcanal.

The regiment participated in the following World War II campaigns:
 * Bougainville campaign (1944-45)
 * Northern Solomons
 * Battle of Guam
 * Battle of Iwo Jima

Following the war, 12th Marines relocated in December 1945 to Marine Corps Base Camp Pendleton, California.

Post World War II history
Reactivated March 17, 1952 at Camp Pendleton, California, and assigned to the 3rd Marine Division. Deployed during August 1953 to Camp McNair, Japan. Redeployed during February 1956 to Okinawa. Redeployed from March–July 1965 to the Republic of Vietnam.

Participated in the War in Vietnam, May 1965 – November 1969, operating from:
 * Da Nang
 * Phu Bai
 * Chu Lai
 * Hue
 * Dong Ha

Redeployed from August–November 1969 to Camp Hansen, Okinawa.

Relocated during August 1971 to Camp Hauge, Okinawa. Elements participated in the Southeast Asia Evacuations, April–June 1975. Elements participated in the recovery of the SS Mayaguez in May 1975. Relocated during August 1976 to Camp Zukeran, Okinawa. Camp Zukeran renamed Camp Foster during March 1980.

Elements participated in the Operation Desert Shield and Operation Desert Storm, Southwest Asia, September 1990-April 1991. Relocated during July 1998 to Camp Hansen, Okinawa.

Operation Enduring Freedom
Operation Enduring Freedom is an ongoing war in Afghanistan entering its twelfth year.