[1] The 133rd Infantry arrived at the port of New York on 24 January 1919 on the USS General G. W. Goethals, and was demobilized 18 February 1919 at Camp Grant, Illinois.

The entire regiment was called up to perform the following state duties: riot control during the “Cow War” in Cedar County/Burlington, Iowa, 21 September–25 November 1931; riot control during a workers’ strike at the Swift Meat Packing Plant in Sioux City, Iowa, 19 October–21 November 1938.

The regiment was inducted into active federal service at home stations on 10 February 1941 and moved to Camp Claiborne, Louisiana, where it arrived on 1 March 1941.

Fearing a loss of federal revenue, Iowa Governor Norman A. Erbe and Adjutant General Junior Miller initially refused to comply with an April 1962 National Guard Bureau order to eliminate one of the three Iowa-stationed battle groups of the 34th Infantry Division under the ROAD reorganization.

The mission tasked to the 133rd Infantry Battalion was convoy security in the western region of the Iraqi theater of operations.

[4]Activated in August 2010 and mobilized out of Camp Shelby, Mississippi, the battalion completed a validation exercise at the National Training Center, Fort Irwin, CA, and was forward deployed to Laghman & Nuristan provinces in Afghanistan.

Tasked with conducting Counterinsurgency in support of Unified Land Operations in Regional Command East, the 1-133 Infantry Battalion excelled at lethal and nonlethal targeting to secure the populace, civil-military operations to improve the infrastructure and education, and mentoring host nation forces for eventual hand off of security.

[5] Organized in the Iowa volunteer militia during 1861 as follows: (Iowa State Militia redesignated 3 April 1878 as the Iowa National Guard) Withdrawn 1 May 1989 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System A Silver color metal and enamel device 1+1⁄8 inches (2.9 cm) in height overall consisting of a shield blazoned: Argent, a Spanish castle debased Gules, to chief a fleur-de-lis of the like and on a mount a giant cactus Vert.