The Mikoyan-Gurevich MiG-15 had been initially developed inside Soviet Union as an interceptor. First travelled in December 1947. It began appearing operating in 1949 and also by 1952 it turned out provided to a number of Communist satellite countries, including North Korea where it had been used extensively against us forces. The MiG-15 had been deployed against United states Air Forces in December of 1950 in Korea.