Military Wiki
3rd Infantry Brigade Combat Team, 1st Infantry Division
1st US Infantry Division.svg
1st Infantry Division shoulder sleeve insignia
Active 1963 – present
Country United States
Branch U.S. Army
Type Infantry
Size Brigade
Garrison/HQ Fort Knox
Nickname(s) The Duke Brigade
COL Bill Ostlund
Distinctive unit insignia 1st Infantry Division DUI.png

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

The brigade was redesignated, re-organized & re-stationed several times:

  • Headquarters Troop, 1ID (1917–1921)
  • Headquarters & Military Police Company, 1ID (1921–1942)
  • Headquarters Company, 1ID (1942–1960)
  • Disbanded 1960
  • Reconstituted in 1963
  • Fort Riley 1963–65
  • Vietnam 1965–1970
  • As 1st Infantry Division (Forward) 1975–1991
  • Kuwait 1990–1991
  • Germany 1975–2005
  • Fort Hood 2007–2009
  • Fort Knox 2009 – present


The unit is composed of:

Official 3/1 IBCT Facebook Page: For further information see The Brigade, A History by John J. McGrath from the Combat Studies Institute Press, Fort Leavenworth, Kansas.