1st Battalion - 133rd Infantry Regiment
"Advance Forward "
The 1st Battalion, 133rd Infantry Regiment, was originally constituted and organized in May 1861 as the 2d Iowa Volunteer Infantry and mustered into Federal service 27 May 1861. It was mustered out of Federal service on 12 July 1865 at Louisville, KY.
It was mustered again into Federal service on 2 June 1916 at Camp Dodge, IA, for the Mexican Border and stationed at Brownsville, TX; and mustered out on 15 January 1917 at Fort Des Moines, IA. Called into Federal service on 25 March 1917; it was drafted into Federal service on 5 August 1917. It was reorganized and redesignated as the 133d Infantry and assigned to the 34th Infantry Division on 1 October 1917. It was demobilized on 18 February 1919 at Camp Grant, IL.
The unit consolidated with the 4th Infantry, Iowa State Guard (organized 1918-1919), and was reorganized and Federally recognized on 29 March 1921 as the 134th Infantry with Headquarters at Sioux City. It was redesignated as the 133d Infantry and assigned to the 34th Infantry Division on 11 July 1921.
Inducted into Federal service on 10 February 1941 at Sioux City. It inactivated on 3 November 1945 at Camp Patrick Henry, VA. It was reorganized and Federally recognized on 25 November 1946 with Headquarters at Cedar Falls.
The unit was relieved from the 34th Infantry Division on 1 May 1959 and reorganized as the 133d Infantry, a parent regiment under the Combat Arms Regimental System.
Subsequent assignments have included being assigned to the 47th Infantry Division and assignment to the 34th Infantry Division on the 10th of February, 1991.
After completing six months training at Camp Shelby, Mississippi and a rotation through Joint Readiness Training Center in Fort Polk, Louisiana the 1st Battalion 133rd Infantry ( Waterloo, Iowa) made it safely into the Iraqi theater of operation. The out going unit 1st Battalion 118th Field Artillery ( Savannah, Georgia) has validated the 133rd Infantry, and the battalion has taken over their operations.
The mission tasked to the 133rd Infantry Battalion is convoy security in the western region of the Iraqi theater of operations. The official take over of this mission occurred on the 1st of May 2006.

