21. The F-94 all weather fighter interceptors were later replaced with the F-89 all weather fighter interceptors . 22. The F-94 all weather fighter interceptors were later replaced with the F-89 all weather fighter interceptors. 23. The early 1950s and 1960s yielded tremendous results in the form of the Su-15 fighter interceptors . 24. On 22 March the 318th Fighter Interceptor Squadron deployed to Osan AB from McChord AFB, Washington. 25. Five fighter interceptor squadrons served at North Bay. 26. Beginning in 1960, the 112th Fighter Interceptor Group upgraded to the supersonic F-102A Delta Dagger interceptor. 27. In 1976, the wing even became responsible for the 147th Fighter Interceptor Group, located in Texas. 28. The F-4 was possessed by Air National Guard squadrons and the 57th Fighter Interceptor Squadron in Iceland. 29. Also, the 188th Fighter Interceptor Squadron assumed 24-hour Air Defense alert status at Kirtland Air Force Base. 30. The first fighter interceptors assigned to Thule were four F-9ABs and began operations on 11 September 1952.