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  • Activated 1 January 1941 at Guantanamo Bay, Cuba, as the 3d Battalion, 7th Marines and assigned to the 1st Marine Brigade, Fleet Marine Force
  • Reassigned during February 1941 to the 1st Marine Division, Fleet Marine Force
  • Relocated during april1941 to Parris Island, South Carolina
  • Relocated during September 1941 to New River, North Carolina
  • Attached during March 1942 to the 3d Marine Brigade
  • Deployed during April 1942 to Samoa
  • Detached during august 1942 from the 3d Marine Brigade and reassigned to the 1st Marine Division
  • Participated in the following World War II campaigns:
    • Guadalcanal
    • Eastern New Guinea
    • New Britain
    • Peleliu
    • Okinawa
  • Participated in the occupation of north China, September 1945- April 1946
  • Deactivated 15 April 1946


  • Reactivated 11 September 1950 at Kobe, Japan and assigned to the 1st Marine Division, Fleet Marine Force
  • Deployed during September 1950 to the republic of Korea
  • Participated in the Korean War, September 1950- July 1953 operating from:
    • Inchon-Seoul
    • Chosin Reservoir
    • East Central Front
    • Western Front
  • Participated in the defense of the Korean Demilitarized Zone, July 1953- march 1955
  • Relocated during March 1955 to Camp Pendleton, California
  • Participated in the Cuban missile crisis, November- December 1962


  • Deployed during June 1965 to camp Schwab, Okinawa
  • Participated in the war in Vietnam, July 1965- October 1970 operating from:
    • Qui Nhom
    • Da Nang
    • Chu Lai
    • An Hoa
    • Dai Loc
  • Relocated during October 1970 to Camp Pendleton California, and reassigned to the 5th Marine Amphibious Brigade
  • Reassigned during April 1971 to the 1st Marine Division, Fleet Marine Force
  • Participated in the battalion rotation between the 3d Marine Division on Okinawa and the Divisions stationed in the United States during the 1980s and the 1990s
  • Relocated during January 1990 to the 1st Marine Division
  • Participated in earthquake relief operations in the Philippines July-September 1990


  • Participated in operations Desert Shield and Desert Storm, Southwest Asia January- April 1991
  • Element participated in operation United Shield, Somalia, February-March 1995
  • Deployed during February 2003 to Kuwait in support of Operation Enduring Freedom
  • Participated in Operation Iraqi Freedom, Iraq, March-September 2003, February-September 2004, September 2005 - March 2006, and November 2007 - May 2008, and October 2008 - April 2009


  • Participated in Operation Enduring Freedom, Afghanistan, March - October 2010




1st Marine Division