Sorry, F-35: South Korea Flew 6 KF-21 Boramae Prototypes on Nearly 1,600 Sorties Over 42 Months and Declared Development Complete in July 2026.

Sorry, F-35: South Korea Flew 6 KF-21 Boramae Prototypes on Nearly 1,600 Sorties Over 42 Months and Declared Development Complete in July 2026.

Forty KF-21 Block I aircraft are contracted for delivery by 2028, with 80 Block II to follow, at about $83 million and $112 million per aircraft respectively. Block I is an air-to-air fighter. Block II adds ground and maritime strike. Block III is meant to carry weapons internally.