page_title: 45th Infantry Division (United States)
section_title: After Korea
hierarchical_section_title: 45th Infantry Division (United States) / History / After Korea
caption_attribution_description: English: Soldiers of the 45th Infantry Brigade Combat Team prepare to deploy in support of Operation Enduring Freedom in February 2011
context_page_description: The 45th Infantry Division was an infantry division of the United States Army, part of the Oklahoma Army National Guard, from 1920 to 1968. Headquartered mostly in Oklahoma City, the guardsmen fought in both World War II and the Korean War.
  The 45th Infantry Division guardsmen saw no major action until they became one of the first National Guard units activated in World War II in 1941. They took part in intense fighting during the invasion of Sicily and the attack on Salerno in the 1943 Italian Campaign. Slowly advancing through Italy, they fought in Anzio and the Beachhead breakout to the capture of Rome. After landing in France during Operation Dragoon, they joined the 1945 drive into Germany that ended the War in Europe.
  After brief inactivation and subsequent reorganization as a unit restricted to Oklahomans, the division returned to duty in 1951 for the Korean War. It joined the United Nations troops on the front lines during the stalemate of the second half of the war, with constant, low-level fighting and trench warfare against the People's Volunteer Army of China that produced little gain for either side.
context_section_description: The division briefly patrolled the Korean Demilitarized Zone following the signing of the armistice ending the war, but most of its men returned home and reverted to National Guard status on 30 April 1954. Its colors were returned to Oklahoma on 25 September of that year, formally ending the division's presence in Korea.
  The division remained as a unit of the Oklahoma National Guard, and participated in no major actions throughout the rest of the 1950s save regular weekend and summer training exercises. In 1963, the formation was reorganized in accordance with the Reorganization Objective Army Divisions plan, which saw the establishment of a 1st, 2nd and 3rd Brigade within the division. These brigades would see no major deployments or events, and were deactivated five years later in 1968. That same year, due to the perceived lack of need for so many large formations in the Army National Guard, the 45th Infantry Division was deactivated, as part of a larger move to reduce the number of Army National Guard divisions from 15 to eight, while increasing the number of separate brigades from seven to 18. In its place, the independent 45th Infantry Brigade (Separate) was established. The 45th Infantry Brigade received all of the 45th Division's lineage and heraldry, including its shoulder sleeve insignia. Also activated from division assets were the 45th Field Artillery Group, later redesignated the 45th Fires Brigade, and the 90th Troop Command.
caption: Soldiers of the 45th Infantry Brigade Combat Team, the successor organization to the 45th Infantry Division, hold a ceremony ahead of a deployment to Operation Enduring Freedom in February 2011.
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