blood red skies mig alley'MiG Alley' was the name given by the United Nations (UN) pilots during the Korean War for the northwestern portion of North Korea, where the Yalu River empties into the Yellow Sea. The area's nickname was derived from the Soviet built Mikoyan Gurevich MiG 15 flown by North Korea (some unofficially crewed by Soviet airmen) and the People's Republic of China airmen. In response to the MiG threat the UN's P 51 Mustang squadrons began to convert to jet