40TH (GRIZZLY) INFANTRY DIVISION
(CALIFORNIA NATIONAL GUARD)The 40th Infantry Division was headquartered in Los Angeles prior to the start of the Korean War. It was federalized on 1 September 1950 and sent to Camp Cooke, CA, for training. Upon completion of training in the United States, it deployed to Japan in April 1951 for advanced training, then further deployed to Korea on 3 February 1952 where it replaced the 24th Infantry Division, who returned to Japan and became Far East Command General Reserve. The division returned to California and was released from active duty, 30 June 1954.
The Division consisted of:
- Division Headquarters and Headquarters Company
- 160th Infantry Regiment
- 223rd Infantry Regiment
- 224th Infantry Regiment
- Division Artillery
143rd Field Artillery Battalion (105mm)
625th Field Artillery Battalion (105mm)
980th Field Artillery Battalion (105mm)
981st Field Artillery Battalion (155mm)
140th Antiaircraft Artillery Battalion- Division Troops
140th Tank Battalion (Medium)
578th Engineer Battalion (Combat)
40th Reconnaissance Company- Division Special Troops
115th Medical Battalion
40th Signal Company
740th Ordnance Maintenance Battalion
40th Quartermaster Company
40th Military Police Company
40th Replacement Company- Attached Units
11th Ranger Infantry Company (Airborne) 1 July 1951 - 1 September 1951 (In Japan)