Based on successful flight test results, 221 A models were ordered. E, F, H, D, and K models followed-- the changes in most cases including improved armament, more powerful engines, and control system modifications. D was all-weather interceptor with radar nose and armed with rockets. Canada, Japan, and Italy also built 86s under license. Dec 50, 4th Fighter Interceptor Wing arrived Seoul. 17 Dec, Lt Col Bruce Hinton shot down MiG-15 in first known combat between swept- wing fighters. By end of war, 86s had shot down almost 800 MiG-15s with loss of fewer than 80 F-86s.