12TH MARINES
1927 – 1928
Activated 4 October 1927 at Tientsin, China, as the 12th Regiment and assigned to the 3D Marine Brigade.
1942 – 1946
Reactivated 1 September 1942 at San Diego, California, as the 12th Marines and assigned to the 3D Marine Division.
Relocated during October 1942 to Camp Dunlap, California.
Deployed during March 1943 to Auckland, New Zealand.
Redeployed during July 1943 to Guadalcanal.
Participated in the following World War II. Campaigns:
Bougainville
Northern Solomons
Guam
Iwo Jima
Relocated during December 1945 to Camp Pendleton, California.
1952 – 1969
Reactivated 17 March 1952 at Camp Pendleton, California, and assigned to the 3D 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
Redeployed from August-November 1969 to Camp Hansen, Okinawa.
1970 – 1998
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, May 1975.
Relocated during August 1976 to Camp Zukeran, Okinawa.
Camp Zukeran renamed Camp Foster during March 1980.
Participated in numerous training exercises throughout the 1970s, 1980s, and 1990s.
Elements participated in the operations Desert Shield and Desert Storm, Southwest Asia, September 1990-April 1991.
Relocated during July 1998 to Camp Hansen, Okinawa