3rd Infantry Brigade Combat Team, 1st Infantry Division
1st Infantry Division shoulder sleeve insignia
Active	1963–2014
Country	United States
Branch	United States Army
Type	Infantry
Size	Brigade
Garrison/HQ	Fort Knox
Nickname(s)	The Duke Brigade Dukes of Diyala
Commanders
Current commander	COL Bill Ostlund
Notable commanders	MG Dana J.H. Pittard
Insignia
Distinctive unit insignia

The 3rd Infantry Brigade Combat Team was an infantry brigade based at Fort Knox, Kentucky. The brigade is a subordinate unit of 1st Infantry Division.

History

The 3rd Brigade Combat Team, 1st Infantry Division, since it was constituted, has been organized, reorganized, Inactivated, disbanded, reconstituted, and redesignated several times.^[1]

• Constituted 24 May 1917 in the Regular Army as Headquarters Troop, 1st Expeditionary Division
• Organized 8 June 1917 at New York, New York
• Reorganized and redesignated 6 July 1917 as Headquarters Troop, 1st Division
• Reorganized and redesignated 13 February 1921 as Headquarters and Military Police Company (less Military Police Platoon), 1st Division
• Reorganized and redesignated 1 August 1942 as Headquarters Company, 1st Infantry Division
• Disbanded 20 April 1960 at Fort Riley, Kansas
• Reconstituted 23 October 1963 in the Regular Army as Headquarters and Headquarters Company, 3rd Brigade, 1st Infantry Division
• Activated 2 January 1964 at Fort Riley, Kansas
• Redesignated 21 July 1975 as Headquarters and Headquarters Company, 1st Infantry Division Forward
• Inactivated 15 August 1991 in Germany
• Redesignated 16 February 1996 as Headquarters and Headquarters Company, 3d Brigade, 1st Infantry Division, and activated in Germany
• Headquarters, 3rd Brigade, 1st Infantry Division, reorganized and redesignated 16 April 2007 as Headquarters, 3d Brigade Combat Team, 1st Infantry Division (Headquarters Company, 3d Brigade, 1st Infantry Division – hereafter separate lineage)
• Inactivation Ceremony at Fort Knox, KY - 21 May 2014^[2]
• Reactivated

Organization

The unit is composed of:

• Headquarters & Headquarters Company (HHC) ("Hellfighters")
• Special Troops Battalion (STB) ("Valiant Warrior")[1]
• 2nd Battalion, 63rd Armor Regiment ("Lions")
• 2nd Battalion, 2nd Infantry Regiment ("Ramrods")
• 1st Battalion, 26th Infantry Regiment ("Blue Spaders")
• 6th Squadron, 4th Cavalry Regiment ("Raiders")
• 1st Battalion, 6th Field Artillery Regiment (1-6th FAR) ("Centaurs")
• 201st Brigade Support Battalion (201st BSB) ("Thor")^[3]