2nd Battalion, 1st Marines

2nd Battalion, 1st Marines (2/1) is an infantry battalion in the United States Marine Corps based out of Marine Corps Base Camp Pendleton, California. Nicknamed "The Professionals," the battalion consists of approximately 1000 Marines and Sailors. Normally they fall under the command of 1st Marine Regiment and the 1st Marine Division.

History

 * Activated August 1, 1922 at Santo Domingo, Dominican Republic, as the 2nd Battalion, 1st Regiment and assigned to the 2d Brigade.
 * Participated in the occupation of the Dominican Republic, Deactivated July 20, 1924

World War II



 * Reactivated March 1, 1941 at Guantanamo Bay, Cuba, as the 2nd Battalion, 1st Marines and assigned to the 1st Marine Division, Fleet Marine Force
 * Deployed during April 1941 to Marine Corps Recruit Depot Parris Island, South Carolina
 * Deactivated June 14, 1941
 * Reactivated February 11, 1942 at New River, North Carolina, and assigned to the 1st Marine Division, Fleet Marine Force
 * Deployed during July 1942 to Wellington, New Zealand
 * Participated in the following World War II campaigns:
 * Battle of Guadalcanal
 * Battle of Peleliu
 * Battle of New Britain
 * Battle of Okinawa
 * Redeployed during September 1945 to Tiensin, China
 * Participated in the occupation of North China, September 1945 – October 1947

Korean War & early 1960s

 * Reactivated August 4, 1950 at Camp Lejeune, North Carolina, and assigned to the 1st Marine Division, Fleet Marine Force
 * Deployed during August 1950 to Kobe, Japan
 * Participated in the Korean War, September 1950 – July 1953,
 * Inchon-Seoul
 * Chosin Reservoir
 * East Central Front
 * Western Front
 * Participated in the defense of the Korean Demilitarized Zone
 * Relocated during April 1955 to Camp Pendleton, California
 * Participated in the Battalion transplacement system between the 1st Marine Division and the 3d Marine Division
 * Participated in the Cuban Missile Crisis, October–December 1962

Vietnam War

 * Deployed during November 1965 to the Republic of Vietnam, and assigned to the 3rd Marine Division, Fleet Marine Force
 * Participated in the War in Vietnam, November 1965 – May 1971,
 * Hue/Phu Bai
 * Da Nang
 * Quang Tri
 * Thua Thien
 * Quang Nam
 * Lien Ket
 * Detached during April 1971 from the 1st Marine Division, and reassigned to the 3rd Marine Amphibious Brigade, Fleet Marine Force
 * Relocated during June 1971 to Camp Pendleton, CA, and reassigned to the 1st Marine Division, Fleet Marine Force

Post War and the 1980s

 * Participated during April – May 1975 in Operation New Arrivals, the relocation of refugees from Indochina
 * Participated in the Battalion rotation between the 3rd Marine Division on Okinawa and Divisions stationed in the United States during the 1980s
 * Deactivated January 24, 1989
 * Reactivated September 9, 1994 at Camp Pendleton, CA, and assigned to the 1st Marine Division

Global War on Terrorism
As part of the 15th Marine Expeditionary Unit, the battalion deployed to Kuwait in February 2003, and participated in the invasion of Iraq in March 2003. The battalion deployed in March 2004, to Fallujah, Iraq and took part in Operation Vigilant Resolve. They returned to Iraq in 2005 with the 13th Marine Expeditionary Unit and fought during Operation Steel Curtain in Husaybah, Karabilah, Hit and New Ubaydi. The battalion deployed to Okinawa to serve as the Ground Combat Unit for the 31st Marine Expeditionary Unit from January 1, 2007 till January 1, 2008. The battalion deployed to Iraq in January 2009.

Notable former members

 * Robert Leckie - author of Helmet for My Pillow
 * Peter Pace - former Chairman of the Joint Chiefs of Staff
 * Douglas Zembiec - The "Lion of Fallujah"