KF-21: Is This South Korea's Plan for a Cheap F-35 Style Fighter?

The KF-21, which KAI is developing as part of a $6.6 billion project to replace the Republic of Korea Air Force's (RoKAR's) aging fleet of F-4 and F-5 fighters, is also being touted as a "cheaper" alternative to the American-made Lockheed Martin F-35 Lightning II.

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