This is the US Eighth Army order of battle during the Korean War:

US Eighth Army US I Corps 13 September 1950 – End of war US 1st Cavalry Division 13 September 1950 – January 1951; April 1951 – December 1951 US 2nd Infantry Division 23 July 1950 – End of war US 3rd Infantry Division January 1951 - 11 July 1952 US 7th Infantry Division January 1953 – End of war US 24th Infantry Division 13 September 1950 – January 1951; January 1952 – January 1953 US 25th Infantry Division January 1951 – March 1952; January 1953 – End of war US 45th Infantry Division December 1951 – January 1953 US 1st Marine Division January 1953 – End of war British 27th Infantry Brigade 13 September 1950 – January 1951 British 1st Commonwealth Division March 1952 – January 1953 ROK 1st Infantry Division 13 September 1950 – April 1951; March 1952 – End of war ROK 2nd Infantry Division January 1953 – End of war ROK 8th Infantry Division March 1952 – January 1953 ROK 9th Infantry Division March 1952 – January 1953 ROK 25th Infantry Division January 1953 – End of war US IX Corps 23 September 1950 – End of war 5th Regimental Combat Team January 1952 - End of war US 187th Regimental Combat Team January 1951 – March 1951 US 1st Cavalry Division January 1951 – January 1952 US 2nd Infantry Division 23 September 1950 – January 1951; March 1952 – January 1953 US 3rd Infantry Division – January 1953 – End of war US 7th Infantry Division March 1951 – January 1953 US 24th Infantry Division January 1951 – January 1952 US 25th Infantry Division 23 September 1950 – January 1951 US 40th Infantry Division March 1952 – January 1953 US 45th Infantry Division January 1952 – March 1952 US 1st Marine Division January 1951 – March 1951 British 27th Infantry Brigade 17 February 1951 - April 1951 ROK Capital Division March 1952 – End of war ROK 2nd Infantry Division March 1951 – January 1952; March 1952 – January 1953 ROK 3rd Infantry Division March 1952 – January 1953 ROK 6th Infantry Division January 1951 – January 1952 ROK 9th Infantry Division January 1953 – End of war US X Corps 15 September 1950 – End of war US 2nd Infantry Division April 1951 – March 1952 US 3rd Infantry Division 24 December 1950 – April 1951 US 7th Infantry Division 15 September 1950 – April 1951 US 25th Infantry Division March 1952 – January 1953 US 40th Infantry Division January 1953 – End of war US 45th Infantry Division January 1953 – End of war US 1st Marine Division 15 September 1950 – December 1950; March 1951 – January 1953 ROK 2nd Infantry Division October 1950 – March 1952 ROK 5th Infantry Division October 1950 – April 1951 ROK 6th Infantry Division March 1952 – January 1953 ROK 7th Infantry Division April 1951 – End of war ROK 8th Infantry Division October 1950 – March 1952 ROK 12th Infantry Division January 1953 – End of war ROK 20th Infantry Division January 1953 – End of war

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