In August 1965 the division was deployed to help suppress the Watts riots.[3]: 169–70
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.[4]
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
^Nathaniel T. Robertson (17 February 2001). "The 40th Infantry Division's March to the Korean War". California State Military Museum. California State Military Department. Retrieved 21 March 2013. The next day on 1 July 1954, the 40th Infantry Division, California Army National Guard, combined with the 111th Armored Cavalry Regiment, California Army National Guard, and formed the 40th Armored Division (*Grizzly*), California Army National Guard.