Gyeongwon Line (1911–1945) on 1 April 1944. After the partition of Korea following the end of the Pacific War in 1945, the Gyeongwon Line was split along the 38th parallel between the stations of Hantangang and Choseongni. The railways in both South and North were nationalised, and the newly established Korean National Railroad took over operation of the truncated Gyeongwon Line, from Seoul to Choseongni; in the North, the Korean State Railway merged its section of the Gyeongwon Line, Choseongni−Wonsan, with the Wonsan−Gowon section of the former Hamgyeong Line to create the Gangwon Line. The line was severely damaged during the Korean War.
Soviet Union in the Korean War the war to rebuild the country. Soviet soldiers were instrumental in the creation and early development of the North Korean People's Army and Korean People's Air Force, as well as for stabilizing the early years of the Northern regime. The Shineuiju Air Force Academy was founded under Soviet leadership on 25 October 1945 in order to train new pilots. Because at the time the war broke out in 1950, the Communist Soviet Union, China and their allies were already locked into a "Cold War" with capitalist countries, both sides felt that the Korean Conflict carried the potential to further destabilize