The 438th Fighter-Interceptor Squadron was upgraded again to the F-106 Delta Dart interceptor in June 1960, and the 507th Fighter Group was upgraded to the 507th Fighter Wing (Air Defense), which was established, and activated, on 28 December 1960.
The 438th Fighter-Interceptor Squadron was upgraded again to the F-106 Delta Dart interceptor in June 1960, one of the first ADC squadrons to receive the new interceptor. In addition, the 507th Fighter Group was upgraded to the 507th Fighter Wing (Air Defense), which was established, and activated, on 28 December 1960.