- Organized 22 November 1920 in the Alabama National Guard at Hartselle as Troop C, 109th Cavalry
- Converted, reorganized, and redesignated 1 July 1926 as Company C, 127th Engineer Combat Battalion
- Reorganized and redesignated 1 June 1931 as Troop C, 127th Engineer Squadron
- Redesignated 1 April 1936 as Troop C, 127th Squadron, Corps of Engineers
- Redesignated 13 July 1936 as Troop C, 127th Engineer Squadron
- Reorganized and redesignated 1 November 1940 as Company C, 1st Battalion, 151st Engineers
- Inducted into Federal service 27 January 1941 at Hartselle
- Redesignated 12 September 1942 as Company C, 1st Battalion, 151st Engineer Combat Regiment
- Redesignated 11 January 1944 as Company C, 151st Engineer Combat Battalion
- Inactivated 27 December 1945 at Camp Kilmer, New Jersey
- Reorganized and Federally recognized 21 February 1947 in the Alabama National Guard at Hartselle as Company C, 1343d Engineer Combat Battalion
- Ordered into active Federal service 14 August 1950 at Hartselle
- (Company C, 1343d Engineer Combat Battalion [NGUS] organized and Federally recognized 21 January 1953 at Hartselle; redesignated 1 February 1953 as Company C, 1343d Engineer Battalion [NGUS])
- (1343d Engineer Combat Battalion redesignated 15 March 1954 as the 1343d Engineer Battalion)
- Released from active Federal service 21 February 1955 and reverted to state control; Federal recognition concurrently withdrawn from Company C, 1343d Engineer Battalion (NGUS)
- Ordered into active Federal service 11 June 1963 at Hartselle; released from active Federal service 16 June 1963 and reverted to state control
- Ordered into active Federal service 10 September 1963 at Hartselle; released from active Federal service 12 September 1963 and reverted to state control
- Converted, reorganized, and redesignated 1 September 1995 as Battery A, 1st Battalion, 203d Air Defense Artillery
- Reorganized and redesignated 16 October 2000 as Battery C, 1st Battalion, 203d Air Defense Artillery
- Consolidated 1 March 2002 with Detachment 1 at Huntsville (organized and Federally recognized 29 July 1997) and consolidated unit designated as Battery C, 1st Battalion, 203d Air Defense Artillery
- Converted, reorganized, and redesignated 1 September 2005 as the 152d Military Police Company
- Ordered into active Federal service 30 June 2006 at Hartselle; released from active Federal service 26 December 2007 and reverted to state control
- Ordered into active Federal service 23 June 2012 at Hartselle
HOME STATION: Hartselle (less detachment at Scottsboro)