The 1st Squadron, 180th Cavalry Regiment is headquartered in Durant, Oklahoma. It is a part of the 45th Infantry Brigade Combat Team, Oklahoma Army National Guard and is the oldest battalion in the brigade. The 180th Infantry Regiment (redesignated to Cavalry in 2008) saw action during World War I as the 142nd Infantry Regiment of the 36th Infantry Division (Texas and Oklahoma) and World War II and the Korean War as part of the 45th Infantry Division and again in Afghanistan and Iraq as part of the 45th Infantry Brigade.