1918-1919
Activated 5 November 1918 at Montierchame, France as the 2d Battalion, 11th Regiment. Relocated during July-August 1919 to Hampton Roads, Virginia. Deactivated 11 August 1919.
1927-1929
Reactivated 9 May 1927 at Quantico, Virginia as the 2d Battalion, 11th Regiment. Deployed during May 1927 to Chinadenga, Nicaragua and assigned to the 2d Brigade. Participated in Operations Against Dissidents, May-July 1927. Redesignated 1 July as the 2d Separate Battalion, 11th Regiment and relocated to San Diego, California. Deactivated 10 September 1927. Reactivated 5 January 1928 at San Diego, California as the 2d Battalion, 11th Regiment. Deployed during January 1928 to Corinto, Nicaragua and assigned to the 2d Brigade. Deactivated 20 August 1929 on board the USS Henderson while en route to the United States.
1941-1947
Reactivated 1 January 1941 at Guantanamo Bay, Cuba as the 2d Battalion, 11th Marines, 1st Brigade. Relocated during April 1941 to Parris Island, South Carolina. Deployed during June 1942 to Wellington, New Zealand. Participated in the following World War II campaigns: Guadalcanal, Finschhafen, New Britain, Peleliu, Okinawa. Redeployed during September 1945 to Tientsin, China, and participated in the occupation of North China September 1945 to December 1946. Reassigned during January 1947 to Fleet Marine Force and redeployed during January - February 1947 to Guam. Relocated during April-May 1947 to Camp Pendleton, California and reassigned to the 3d Marine Brigade. Relocated during July 1947 to the 1st Marine Division and relocated during August 1947 to Barstow, California. Deactivated 30 September 1947.
1950-1965
Reactivated 7 August 1950 at Camp Pendleton as the 2d Battalion, 11th Marines, 1st Marine Division and deployed during August-September 1950 to Kobe, Japan. Participated in the Korean War, operating at Inchon-Seoul, Chosin Reservoir, East Central front, Western front. Participated in the Korean Demilitarized Zone July 1953-March 1955. Relocated during March 1955 to Camp Pendleton, California.
1966-1971
Deployed during February-March 1966 to Camp Hansen, Okinawa. Redeployed during May 1966 to the Republic of Vietnam. Participated in the war in Vietnam May 1966-March 1971, operating from Chu Lai, Tam Ky, Hue/Phu Bai, Thon Back Thack, Cao Doi, An Hoa. Relocated during March-April 1971 to Camp Pendleton, California.
1990-1991
Deployed during December 1990 with Regimental Landing Team 5, 5th Marine Expeditionary Brigade to southwest Asia. Participated in the defense of Saudi Arabia January 1991. Participated in liberation of Kuwait, January-May 1991 operating in Um Guar Al-Juba, Al Wafrah. Participated in Bangladesh relief effort Operation Sea Angel May 1991. Relocated on 29 June 1991 to Camp Pendleton, California.
2003-2006
Deployed during January 2003 with the 1st Marine Division to Kuwait. Participated in Operation Iraqi Freedom in support of Regimental Combat Team 5. Relocated during August 2003 to Camp Pendleton, California. During August 2004, while operating as provisional military police, deployed with the 1st Marine Division to Camp Ramadi, Iraq in support of Operation Iraqi Freedom II. Relocated during March 2005 to Camp Pendleton, California. Battery size elements continue to deploy in continuous support of the Global War On Terror.