Douglas MacArthur at the front lines above Suwon, Korea.

North Korean prisoners of war under guard before they are interrogated at the 21st Infantry Regiment's command post, south of Chonui, July 10th, 1950.

This interactive map charts the U.S. and ROK retreat and subsequent pushback from 1950 to 1953 on a map of Korea.

A South Korean soldier comforts a wounded buddy before he's evacuated, July 28th, 1950. Troops of the Republic of Korea (ROK) were responsible for defending the eastern portion of the peninsula. Photo: Department of Defense. Source: Truman Library.

An artillery officer directs UN troops as they drop white phosphorous on a communist-held post in February 1951.

President Truman and General Douglas MacArthur meet for the first time on Wake Island, October 14th, 1950. Source: Truman Library.