Paechon Line the Tohae Line. Following the end of the Pacific War and the subsequent partition of Korea, most of the Tohae Line was located in the US zone of occupation that later became South Korea, with the line being divided along the 38th Parallel between Changbang and Kalsan, and the Korean National Railroad operated passenger trains on the line between Tosŏng and Ch'ŏngdan until 1950. The line was heavily damaged during the Korean War, and the destruction of the Ryesong River bridge left the line truncated at Paech'ŏn. The truncated line ended up in North Korea after the Korean Armistice, becoming
Soviet Union in the Korean War Soviet Union in the Korean War Though not officially belligerent during the Korean War (1950–1953), the Soviet Union played a significant, covert role in the conflict. It provided material and medical services, as well as Soviet pilots and aircraft, most notably MiG 15 fighter jets, to aid the North Korean-Chinese forces against the United Nations Forces. The Soviet 25th Army took part in the Soviet advance into northern Korea immediately after World War II had ended, and was headquartered at Pyongyang for a period. Like the American forces in the south, Soviet troops remained in Korea after the end of