supersonic flight
The KF-21 Boramae exceeds the speed of sound for the first time
Gastón Dubois
The first prototype of the Korean KF-21 Boramae fighter successfully made its first supersonic flight at 15:15 on January 17, ...
The first prototype of the Korean KF-21 Boramae fighter successfully made its first supersonic flight at 15:15 on January 17, ...
