1st Reconnaissance Battalion

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1st Reconnaissance Battalion
1st Reconnaissance Battalion insignia
Active	March 1, 1937 – present
Country	United States of America
Branch	United States Marine Corps
Type	Marine Division Recon
Role	Direct support of Marine Air-Ground Task Force Joint Task Force Special Reconnaissance Deep Reconnaissance Long-Range Reconnaissance Unconventional Warfare Direct Action Visit, Board, Search, and Seizure (VBSS) Maritime Interdiction Operations (MIO)
Part of	I Marine Expeditionary Force 1st Marine Division 11th Marine Expeditionary Unit
Garrison/HQ	MCB Camp Pendleton, California
Nickname(s)	Black Diamonds
Patron	LtCol William "Wild Bill" Whaling
Motto(s)	"Celer, Silens, Mortalis", "Swift, Silent, Deadly"
Colors	Black and Gold
Engagements	World War II Battle of Guadalcanal Battle of Cape Gloucester Battle of Peleliu Battle of Okinawa Korean War Vietnam War Operation Desert Storm War on Terror Operation Iraqi Freedom Operation Enduring Freedom
Decorations	Presidential Unit Citation Navy Unit Commendation American Defense Service Medal Asiatic-Pacific Campaign Medal World War II Victory Medal Navy Occupation Service Medal China Service Medal National Defense Service Medal Korean Service Medal Armed Forces Expeditionary Medal Vietnam Service Medal Korean Presidential Unit Citation Vietnam Cross of Gallantry Iraq Campaign Medal Global War on Terrorism Expeditionary Global War on Terrorism Service
Commanders
Commanding Officer	LtCol Nathan S. Willis
Sergeant Major	SgtMaj George Hernandez
Notable commanders	William C. Chip

1st Reconnaissance Battalion (abbreviated as 1st Recon Bn) is a reconnaissance battalion in the United States Marine Corps. It is a stand-alone battalion with no parent regiment. Instead, it falls directly under the command of the 1st Marine Division. 1st Recon Bn is located at Marine Corps Base Camp Pendleton in San Diego, California.

1st Recon Battalion was reactivated on July 5, 2000, as part of Marine Corps Commandant General James L. Jones' mission to revitalize Marine Corps reconnaissance.