4th Reconnaissance Battalion Lineage
• Activated 1 June 1943 at Camp Pendleton, California as Company D (Scout) 4th Tank Battalion
• Reassigned during August 1943 to Division Special Troops, 4th Marine Division, Fleet Marine Force
• Reassigned during September 1943 to Headquarters Battalion, Division Special Troops, 4th Marine Division, Fleet Marine Force
• Deployed during the following World War II Campaigns: Kwajalein; Saipan; Tinian; and Iwo Jima
• Relocated during October 1945 to Camp Pendleton, California
• Deactivated 31 October 1945
• Reactivated 10 September 1951 at San Antonio, Texas as 7th Rifle Company, U.S. Marine Corps Reserve
• Redesignated 8 January 1953 as 14th Infantry Battalion, U.S. Marine Reserve
• Redesignated 1 July 1962 as 4th Reconnaissance Battalion, 4th Marine Division, Fleet Marine Force, U.S. Marine Reserve
• Elements participated in Operation Desert Shield and Desert Storm, Southwest Asia, November 1990 – April 1991
• Elements participated in Operation Iraqi Freedom, Iraq, January – June 2003, June 2004-January 2005, February- October 2005
and August 2006 – September 2007
• Elements participated in Operation Enduring Freedom, Afghanistan, November 2009 – June 2010 and March 2011 – March 2012
• Elements participated in Humanitarian Assistance and Disaster Relief Operations, Texas, in response to Hurricane Harvey, September 2017
• Elements participated in Operation Inherent Resolve, Afghanistan, January – October 2020