1925-1933
Activated 1 July 1925 at Cap Hatien, Haiti, as the 2d Battalion, 2d Regiment and assigned to the 1st Brigade
2d Regiment participated in operations against dissident forces, July 1925-Jaunary 1933
Deactivated 1 January 1933
1941 – 1947
Reactivated 14 January at San Diego, California, as the 2d Battalion, 2d Marines and assigned to the 2d Marine Brigade
Reassigned during February 1941 to the 2d Marine Division
Deployed during June-July 1942 to Koro Island
Participated in the following World Wars II Campaigns
Guadalcanal
Tarawa
Saipan
Tinian
Okinawa
Redeployed during September 1945 to Nagasaki, Japan
Relocated during June-July 1946 to Camp Lejeune, North Carolina
Deactivated 18 November 1947
1949 – 1989
Reactivated 20 October 1949 in the Mediterranean as the 2d Battalion, 2d Marines and assigned to the 2d Marine Division
Assigned at various times during 1949 – 1980 as Battalion Landing Team in the Caribbean and Mediterranean
Participated in landings in Lebanon, July-August 1958
Participated in the Cuban Missile Crisis, October-December 1962
Deployed to Europe for the North Atlantic Treaty Organization Exercises, August-September 1978
Elements of the 2d Battalion, 2d Marines deployed to the Azores for Possible Operations in Iran during February 1979
1990 – 2008
Participated in Operations Desert Shield and Desert Storm, Southwest Asia, December 1990 – April 1991
Participated in Operations Support Democracy and Uphold Democracy Haiti, August-October 1994
Participated in Operation Assured Response, Liberia, April-June 1996
Participated in Operation Dynamic Response, Kosovo, September-October 2002
Participated in Operation Enduring Freedom, Horn of Africa, November-December 2002 and January-July 2007
Participated in Operation Iraqi Freedom, Iraq, March-April 2003, March-October 2004, August 2005 - February 2006 and April-November 2008