I Corps (South Korea)
|Active||24 July 1950 - present|
|Country||Republic of Korea|
|Branch||Republic of Korea Army|
I Corps (South Korea) was created July 24, 1950, just before the Battle of Pusan Perimeter.
Under the direction of U.S. Army General Walker, the ROK I Corps participated in the crossing of the 38th parallel on October 1, 1950. They rushed north to the North Korean port of Wonsan on October 10, 1950. Leaving parts of their force in Wonsan, the I Corps also went west. The U.S. Army X Corps under the command of General MacArthur had planned a second amphibious landing at Wonsan but after the ROK I Corps victory there, no assault was needed. The X Corps walked ashore. U.S General Almond then added the ROK I Corps to his command. 
Clearing North Korea (1950)
After adding the ROK I corps to his command, General Almond used them to clear northeastern North Korea. Columns of troops were sent up over the mountains to clear and maintain the coast towards the Yalu River and Changjin Reservoir.
Fighting the Chinese
In November 1950, the I Corps fought at Sudong against the Chinese. Along with the help of the United States Marine corps, they were able to defeat the Chinese and cause at least 662 deaths.
- Webb, William J. The Korean War: The Outbreak. United States Army Center of Military History. CMH Pub 19-6.
-  I ROK Corps - GlobalSecurity.org
- "Overview of the Korean War - Korean War Project". www.koreanwar.org. Retrieved 2015-11-09.
- "Battle of the Chosin Reservoir | Korean War". Encyclopedia Britannica. Retrieved 2015-11-09.
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