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2nd Battalion, 1st Marines
2nd Battalion, 1st Marines insignia
  • August 1, 1922 – July 20, 1924
  • March 1, 1941 – October 31, 1947
  • August 4, 1950 – January 24, 1989
  • September 9, 1994 – present
Country United States
Branch USMC
Type Light Infantry
Role Locate, close with and destroy the enemy with fire and maneuver
Size 1,000
Part of 1st Marine Regiment
1st Marine Division
Garrison/HQ Marine Corps Base Camp Pendleton
Nickname(s) The Professionals
Motto(s) No Better Friend, No Worse Enemy
Engagements World War II
*Battle of Guadalcanal
*Battle of Peleliu
*Battle of Okinawa
Korean War
*Battle of Inchon
*Battle of Chosin Reservoir
Vietnam War
Operation Enduring Freedom
Operation Iraqi Freedom
*2003 invasion of Iraq
*Operation Vigilant Resolve
*Operation Steel Curtain
LtCol C. M. Moran
James M. Masters, Sr.

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.


  • 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

Two Marines, Davis P. Hargraves with Thompson submachine gun and Gabriel Chavarria with BAR, of 2nd Battalion, 1st Marines, advance on Wana Ridge on May 18, 1945.

  • 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:
  • 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,
  • 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 engaged in combat operations during Operation Steel Curtain in Husaybah, Karabilah, and New Ubaydi, and Operation Iron Hammer in Hit. The battalion deployed to Okinawa to serve as the Ground Combat Unit for the 31st Marine Expeditionary Unit from January 1, 2007 until January 1, 2008. The battalion deployed to Iraq in January 2009 and returned in August of the same year.

The battalion deployed to Afghanistan in October 2010 through May 15, 2011 in support of Operation Enduring Freedom. They operated in the Garmsir District, Helmand Province. As of June 2012 the battalion has returned to Okinawa as the Ground Combat Element for the 31st Marine Expeditionary Unit.

Unit awards

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. 2/1 has been presented with the following awards:

Ribbon Unit Award
US Navy Presidential Unit Citation Ribbon.png
Presidential Unit Citation with one Silver and four Bronze Stars
Navy Unit Commendation ribbon.svg
Navy Unit Commendation with two Bronze Stars
Navy Meritorious Unit Commendation ribbon.svg
Meritorious Unit Commendation with four Bronze Stars
Marine Corps Expeditionary ribbon.svg
Marine Corps Expeditionary Medal
American Defense Service ribbon.svg
American Defense Service Medal with one Bronze Star
Asiatic-Pacific Campaign ribbon.svg
  Asiatic-Pacific Campaign Medal with one Silver and one Bronze Star
World War II Victory Medal ribbon.svg
World War II Victory Medal
Army of Occupation ribbon.svg
Navy Occupation Service Medal with Asia clasp
China Service Medal ribbon.svg
China Service Medal
National Defense Service Medal ribbon.svg
National Defense Service Medal with three Bronze Stars
Armed Forces Expeditionary Medal
Vietnam Service Ribbon.svg
Vietnam Service Medal with two Silver and three Bronze Stars
Presidential Unit Citation (Korea).svg
Korean Presidential unit Citation
Vietnam gallantry cross unit award-3d.svg
Vietnam Cross of Gallantry with Palm Streamer
Vietnam Meritorious Unit Citation Civil Action Medal
Afghanistan Campaign ribbon.svg
Afghanistan Campaign Medal with one Bronze Star
Iraq Campaign ribbon.svg
Iraq Campaign Medal with two Bronze Stars
Global War on Terrorism Expeditionary ribbon.svg
Global War on Terrorism Expeditionary Medal
Global War on Terrorism Service ribbon.svg
Global War on Terrorism Service Medal
Korea Defense Service ribbon.svg
Korea Defense Service Medal
NATO Non-Article 5 medal for ISAF

Notable former members

See also

External links


 This article incorporates public domain material from websites or documents of the United States Marine Corps.

This page uses Creative Commons Licensed content from Wikipedia (view authors).