Originally Posted by
chevvron
But it would make a great 'Hawk' replacement. Do the Koreans make them using 3-D printers?
The single engined supersonic T-50 replaced the Hawk in Korean service, the twin engined KF-21 is more or a replacement for frontline fighters like F-4/F-16 and F-5, the two seater KF-21 being the trainer for the single seat aircraft.