45^TH (THUNDERBIRD) INFANTRY DIVISION
(OKLAHOMA NATIONAL GUARD)

Before the Korean War the 45^th Infantry Division had its headquarters in Oklahoma City, Oklahoma. It was federalized on 1 September 1950 and sent to Fort Polk, LA, for training and to fill out its ranks. Training completed, it deployed to Japan in April 1951 for further training and went on to Korea 28 December 1951, where it replaced the 1^st Cavalry Division. After initial problems when it first went into combat, the 45^th Infantry Division went to compile a good combat record.

The division consisted of:

• Division Headquarters and Headquarters Company
• 179^th Infantry Regiment
• 180^th Infantry Regiment
• 279^th Infantry Regiment
• Division Artillery
  158^th Field Artillery Battalion (105mm)
  160^th Field Artillery Battalion (105mm)
  171^st Field Artillery Battalion (105mm)
  189^th Field Artillery Battalion (155mm)
  145^th Antiaircraft Artillery Battalion
• Division Troops
  245^th Tank Battalion (Medium)
  120^th Engineer Battalion (Combat)
  45^th Reconnaissance Company
• Division Special Troops
  120^th Medical Battalion
  45^th Signal Company
  700^th Ordnance Maintenance Battalion
  45^th Quartermaster Company
  45^th Military Police Company
  45^th Replacement Company
• Attached units
  10^th Ranger Infantry Company (Airborne) (in Japan — 1 July 1951 - 15 September 1951)

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