The 40th Armored Division was a

division Division or divider may refer to: Mathematics *Division (mathematics), the inverse of multiplication *Division algorithm, a method for computing the result of mathematical division Military *Division (military), a formation typically consisting ...

of the United States

Army National Guard The Army National Guard (ARNG), in conjunction with the Air National Guard, is an organized Militia (United States), militia force and a Reserve components of the United States Armed Forces, federal military reserve force of the United States A ...

from July 1954 until 1967.

History

After its return from the

Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...

, the 40th Infantry Division was reorganized on 1 July 1954 as the 40th Armored Division. In August 1965 the division was deployed to help suppress the Watts riots. On 1 December 1967, a major reorganization of the National Guard reduced the Guard to eight combat divisions, with the 40th Armored Division as one of the units designated for inactivation. On 29 January 1968, the Division was eliminated and the 40th Infantry Brigade and 40th Armored Brigade were organized.

1956 order of battle

* Division Headquarters * 40th Military Police Company * 40th Armored Signal Company * 140th Replacement Company * 132d Armored Engineer Battalion * 40th Armored Division Train ** 40th Armored Quartermaster Battalion ** 40th Armored Ordnance Battalion ** 40th Armored Medical Battalion ** 40th Armored Division Band * Combat Command A ** 111th Reconnaissance Battalion ** 160th Armored Infantry Battalion ** 161st Armored Infantry Battalion * Combat Command B ** 133d Tank Battalion ** 134th Tank Battalion ** 224th Armored Infantry Battalion * Combat Command C ** 139th Tank Battalion ** 140th Tank Battalion ** 223rd Armored Infantry Battalion * Division Artillery ** 215th Anti-Aircraft Artillery Battalion ** 143d Armored Field Artillery Battalion ** 214th Armored Field Artillery Battalion ** 215th Armored Field Artillery Battalion ** 225th Armored Field Artillery Battalion

1967 order of battle

* Division Headquarters * 132nd Engineer Battalion * 240th Signal Battalion * 140th Aviation Battalion * 40th Armored Division Band * 1st Brigade ** 1st Battalion, 160th Infantry ** 2nd Battalion, 160th Infantry ** 3rd Battalion, 160th Infantry ** 1st Battalion, 185th Armor ** 3rd Battalion, 185th Armor * 2d Brigade ** 4th Battalion, 160th Infantry ** 2d Battalion, 185th Armor ** 1st Reconnaissance Squadron, 18th Armored Cavalry ** 1st Squadron, 111th Cavalry * 3d Brigade ** 4th Battalion, 185th Armor ** 5th Battalion, 185th Armor ** 6th Battalion, 185th Armor * Division Artillery ** 1st Battalion, 144th Field Artillery ** 2d Battalion, 144th Field Artillery ** 3d Battalion, 144th Field Artillery ** 4th Battalion, 144th Field Artillery ** 5th Battalion, 144th Field Artillery * Division Support Command ** 40th Medical Battalion ** 40th Maintenance Battalion ** 123d Maintenance Company ** 40th Supply and Transportation Battalion ** 540th Administration Company ** 40th Military Police Company

Notes

References

* Wilson, John B. (1997). ''Maneuver and Firepower: The Evolution of Divisions and Separate Brigades''. Washington, DC: Center of Military History. {{DEFAULTSORT:040 40th Armored Division, U.S. 40 40 Military units and formations established in 1954 Military units and formations disestablished in 1967