40th Armored Division (United States)

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40th Armored Division
40th Armored Division shoulder sleeve insignia
Active 1954–67
Country  United States
Branch  United States Army
Type Armor
Role Armored warfare
Size Division
Nickname(s) "Grizzly"[1]
Charles A. Ott, Jr.
U.S. Armored Divisions
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The 40th Armored Division was a division of the United States Army National Guard from July 1954 until 1967.


After its return from the Korean War, the 40th Infantry Division was reorganized on 1 July 1954 as the 40th Armored Division.[2] 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.[3]


  1. 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.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. "40th Armoured Division Order of Battle, 1956". The California State Military Museum. Archived from the original on 6 February 2011. Retrieved 1 January 2011. Unknown parameter |deadurl= ignored (help)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. "40th Infantry Division (Mechanized)". Military. GlobalSecurity.org. 17 July 2006. Archived from the original on 4 September 2009. Retrieved 9 September 2009. Unknown parameter |deadurl= ignored (help)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>


  • Wilson, John B. (1997). Maneuver and Firepower: The Evolution of Divisions and Separate Brigades. Washington, DC: Center of Military History.