Headquarters and Headquarters Detachment 109th Medical Battalion

• Organized in 1915 in the Iowa National Guard at North English as Troop A, 1st Cavalry Squadron
• Mustered into Federal service 19 July 1916 at Camp Dodge, lowa; mustered out of Federal service 28 February 1917 at Des Moines
• Drafted into Federal service 5 August 1917
• Reorganized and redesignated 1 October 1917 as Headquarters Troop, 34th Division
• Demobilized 18 February 1919 at Camp Grant, Illinois
• Reorganized 15 September 1920 in the Iowa National Guard at Iowa City as Troop D, 1st Regiment of Cavalry
• Redesignated 6 May 1921 as Troop A, 1st Regiment of Cavalry
• Redesignated 1 November 1921 as Troop A, 113th Cavalry
• Redesignated 1 April 1929 as Troop I, 113th Cavalry
• Redesignated 16 September 1940 as Troop B, 113th Cavalry
• Inducted into Federal service 16 September 1940 at Iowa City
• Reorganized and redesignated 2 January 1944 as Troop B, 113th Cavalry Reconnaissance Squadron, Mechanized
• Inactivated 21 October 1945 at Camp Myles Standish, Massachusetts
• Reorganized and Federally recognized 21 March 1947 at Iowa City as the 34th Cavalry Reconnaissance Troop, Mechanized
• Reorganized and redesignated 1 December 1948 as the 34th Reconnaissance Company
• Converted and redesignated 1 May 1959 as Headquarters Detachment, 109th Medical Battalion, an element of the 34th Infantry Division
• Reorganized and redesignated 1 March 1963 as Headquarters and Headquarters Detachment, 109th Medical Battalion, and relieved from assignment to the 34th lnfantry Division
• Reorganized and redesignated 1 October 1995 as Headquarters, Headquarters and Support Company, 109th Medical Battalion (organic elements concurrently organized from new and existing units in the Colorado, Iowa, and South Dakota Army National Guard)
• Ordered into active Federal service 24 january 2003 at home stations; released from active Federal service 23 January 2004 and reverted to state control
• Ordered into active Federal service 2 April 2008 at home stations; released from active Federal service 9 March 2009 and reverted to state control
• Reorganized and redesignated 1 September 2007 as Headquarters and Headquarters Detachment, 109th Medical Battalion (former Companies A, B, and C as the 209th Medical Company, the 730th Medical Company, and the 928th Medical Company - hereafter separate lineages)
• Location changed 1 September 2009 to Coralville

HOME STATION: Coralville