IX Corps (United States)

Served with

December 31, 1950 – January 7, 1951 Eighth United States Army Under this formation at Third Battle of Seoul (Wikipedia infobox)
July 13, 1953 – July 27, 1953 Eighth United States Army Under this formation at Battle of Kumsong (Wikipedia infobox)

Attached units 8

November 25, 1950 – December 2, 1950 25th Infantry Division (United States) Under this formation at Battle of the Ch'ongch'on River (Wikipedia infobox)
November 25, 1950 – December 2, 1950 27th Infantry Brigade (United Kingdom) Under this formation at Battle of the Ch'ongch'on River (Wikipedia infobox)
November 25, 1950 – December 2, 1950 Turkish Brigade Under this formation at Battle of the Ch'ongch'on River (Wikipedia infobox)
December 31, 1950 – January 7, 1951 6th Infantry Division (South Korea) Under this formation at Third Battle of Seoul (Wikipedia infobox)
December 31, 1950 – January 7, 1951 29th Infantry Brigade (United Kingdom) Under this formation at Third Battle of Seoul (Wikipedia infobox)
December 31, 1950 – January 7, 1951 Royal Australian Regiment Under this formation at Third Battle of Seoul (Wikipedia infobox)
December 31, 1950 – January 7, 1951 902 Infantry Brigade Under this formation at Third Battle of Seoul (Wikipedia infobox)
July 13, 1953 – July 27, 1953 Capital Mechanized Infantry Division Under this formation at Battle of Kumsong (Wikipedia infobox)

Movements

Moved with Eighth United States Army.

1609 – 1924 American Indian Wars
June 18, 1812 – February 17, 1815 War of 1812
April 25, 1846 – February 2, 1848 Mexican-American War
March 1857 – July 1858 Utah War
April 12, 1861 – May 26, 1865 American Civil War
February 20–21, 1862 Battle of Valverde
1898 – 1934 Banana Wars
April 21 – August 13, 1898 Spanish-American War
July 3–17, 1898 Siege of Santiago
February 4, 1899 – July 2, 1902 Philippine-American War
1910 – 1919 Mexican Border War
July 28, 1914 – November 11, 1918 World War I
January 28, 1915 – October 30, 1918 Sinai and Palestine campaign
February 19, 1915 – January 9, 1916 Gallipoli campaign
February 7, 1917 Pancho Villa Expedition
November 7, 1917 – June 16, 1923 Russian Civil War
August 1918 – July 1920 Siberian intervention
December 7, 1941 – September 2, 1945 Pacific War
December 7, 1941 Attack on Pearl Harbor
December 14, 1941 – September 13, 1945 Burma campaign
May 5 – November 6, 1942 Battle of Madagascar
August 7, 1942 – February 9, 1943 Guadalcanal campaign
December 15, 1942 – January 23, 1943 Battle of Mount Austen, the Galloping Horse, and the Sea Horse
June 20 – October 7, 1943 New Georgia campaign
October 20, 1944 – August 15, 1945 Philippines campaign (1944–1945)
January 9 – August 15, 1945 Battle of Luzon
June 25–30, 1950 Operation Pokpung
June 25, 1950 – July 27, 1953 Korean War
July 1950 Battle of Andong
August 4 – September 18, 1950 Battle of the Pusan Perimeter
August 5 – September 19, 1950 Battle of Masan
August 5–20, 1950 Battle of P'ohang-dong
August 15 – September 19, 1950 Battle of Battle Mountain
August 27 – September 12, 1950 Battle of Kyongju
August 31 – September 19, 1950 Battle of Haman
August 31 – September 19, 1950 Battle of Nam River
September 1–15, 1950 Great Naktong Offensive
October 21–22, 1950 Battle of Yongyu
October 25–29, 1950 Battle of Onjong
November 25 – December 2, 1950 Battle of the Ch'ongch'on River
November 27–29, 1950 Battle of Wawon
November 27 – December 13, 1950 Battle of Chosin Reservoir
December 31, 1950 – January 7, 1951 Third Battle of Seoul
January 4, 1951 Abandons Seoul Map
April 22 – June 10, 1951 Chinese spring offensive
April 22–25, 1951 Battle of the Imjin River
April 22–25, 1951 Battle of Kapyong
June 15, 1951 – July 27, 1953 Holds the Kansas Line near the 38th parallel Map
October 8, 1951 First Battle of Maryang-san
March 1953 – July 1953 Battle of Pork Chop Hill
May 28–29, 1953 Third Battle of the Hook
July 13–27, 1953 Battle of Kumsong
July 27, 1953 Korean Armistice Agreement Armistice signed at Panmunjom Map
November 1, 1955 – April 30, 1975 Vietnam War
January 8–26, 1967 Operation Cedar Falls
January 30 – September 23, 1968 Tet Offensive
1979 Vietnamese border raids in Thailand
December 20, 1989 – January 31, 1990 United States invasion of Panama
August 2, 1990 – January 17, 1991 Operation Desert Shield
September 11, 2001 War on terror
October 7, 2001 – December 28, 2014 Operation Enduring Freedom
March 20 – May 1, 2003 2003 invasion of Iraq
March 20, 2003 – December 18, 2011 Iraq War
October 1–3, 2004 Battle of Samarra (2004)
June 15, 2014 – April 16, 2026 Operation Inherent Resolve
January 1, 2015 – August 30, 2021 War in Afghanistan (2015–2021)