1942 - 1945

• Activated 1 April 1942 at Camp Elliott, San Diego, California, as the 2nd Battalion, 9th Marines and assigned to the 2nd Marine Division
• Reassigned during August 1942 to Amphibious Corps, Pacific Fleet
• Relocated during September 1942 to Camp Pendleton, California. Reassigned to the Advanced Echelon, 3rd Marine Division
• Reassigned during Novemember 1942 to the 3rd Marine Division
• Deployed during January - February 1943 to Auckland, New Zealand
• Reployed during June - July 1943 to Guadalcanal
• Participated in the World War II Campaigns of Bougainville, Northern Solomons, Guam, Iwo Jima
• Relocated during November - December 1945 to Camp Pendleton, California
• Deactivated on 31 December 1945

1952 - 1965

• Reactivated 9 April 1952 at Camp Pendleton, California, and assigned to the 3rd Marine Division
• Deployed during August 1953 to Camp Gifu, Japan
• Redeployed during June 1954 to Camp Sakai, Japan
• Redeployed during July 1955 to Camp Kawasaki, Okinawa
• Redeployed during September 1955 to Camp Napunja, Okinawa
• Redeployed during January 1956 to Camp Sukiran, Okinawa
• Redeployed during March - April 1957 to Camp Fuji, Japan
• Redeployed during October 1957 to Camp Hauge, Okinawa
• Redeployed during February 1958 to Camp Kinser, Okinawa
• Participated in the Battalion Transplacement System between the 1st Marine Division and the 3rd Marine Division during June 1959 to December 1960
• Deployed at various times between 1960 - 1965 as the Battalion Landing Team of the Seventh Fleet

1965 -1990

• Redeployed during July 1965 to Da Nang, Republic of Vietnam
• Participated in the War in Vietnam, July 1965 - August 1969, operating from Da Nang, Than Cam Son, Hue/Phu Bai, Ca Lu, Dong Ha, Quang Tri, Camp Carroll, Cua Viet, Cam Lo, Con Thien, and Vandegrift Combat Base.
• Redeployed during August 1969 to Camp Schwab, Okinawa. Assigned to the 9th Marine Amphibious Brigade
• Reassigned during November 1969 to the 3rd Marine Division
• Deployed various times between 1969 - 1971 as the Battalion Landing Team of the Seventh Fleet
• Participated in the Typhoon Relief Operations in the Philippines during October 1970
• Elements of the Battalion participated in the Mayaguez Operation, May 1975
• Relocated during October 1978 to Camp Hansen, Okinawa

1991 - 1994

• Participated in Operation Fiery Vigil, Philippines, in June 1991
• Participated in Operation Desert Storm, Persian Gulf, in September 1991
• Participated in Operation Restore Hope, Somalia, in November 1993 - January 1994
• Deactivated 9 September 1994

2007 - 2009

• Reactivated on 13 July 2007 at Camp Lejeune, North Carolina. Assigned to 6th Marine Regiment, 2nd Marine Division
• Deployed during September 2008 - April 2009 to Al Anbar Province, Iraq

HONORS

A unit citation or commendation is an award bestowed upon an organization for the action cited. Members of the unit who participated in said actions are allowed to wear on their uniforms the awarded unit citation.

	Presidential Unit Citation with two Bronze Stars
	Presidential Unit Citation (Army)
	Joint Meritorious Unit Citation
	Navy Unit Commendation with two Bronze Stars
	Meritorious Unit Commendation with three Bronze Stars
	World War II Victory Medal
	National Defense Service Medal with three Bronze Stars
	Korean Service Medal
	Armed Forces Expeditionary Medal
	Southwest Asia Service Medal with one Bronze Star
	Vietnam Service Medal with Two Silver Stars
	Vietnam Cross of Gallantry with Palm Streamer
	Philippine Presidential Unit Citation
	Global War on Terrorism Service

Historic Personnel
Medal of Honor Recipients who served with 2/9

	Captain Louis H. Wilson, Jr. Company F, 2nd Battalion, 9th Marines, 3rd Marine Division Place: Near Font Hill, Guam Date: 25 July-26 July 1944
	Private Wilson D. Watson Company G, 2nd Battalion, 9th Marines, 3rd Marine Division Place: Iwo Jima Date: 26 February-27 February 1945
	First Lieutenant Harvey C. Barnum, Jr. Company H, 2nd Battalion, 9th Marines, 3rd Marine Division Place: Near Ky Phu, Republic of Vietnam Date: 18 December 1965
	Lance Corporal Thomas P. Noonan, Jr. Company G, 2nd Battalion, 9th Marines, 3rd Marine Division Place: Near Quanq Tri Province, Republic of Vietnam Date: 5 February 1969
	Corporal William D. Morgan Company H, 2nd Battalion, 9th Marines, 3rd Marine Division Place: Near Quanq Tri Province, Republic of Vietnam Date: 25 February 1969

Commandants of the Marine Corps who served with 2/9

	LtCol Robert E. Cushman, Jr. Commanding officer of 2/9 from 2 January 1943 to 20 April 1945; served as Commandant of the Marine Corps from 1 January 1972 to 30 June 1975
	Captain Louis H. Wilson, Jr. Medal of Honor recipient; served as Commandant of the Marine Corps from 1 July 1975 to 30 June 1979.
	Colonel Charles C. Krulak Operations Officer of 2/9 from 1977 to 1978; served as Commandant of the Marine Corps from 30 June 1995