S. Korea’s homegrown KF-21 fighter jet makes first supersonic flight

South Korea’s homegrown KF-21 fighter jet flew at supersonic speeds for the first time, leading the way for South Korea to become one of only a few countries that have indigenously produced and flown advanced supersonic fighter jets. A KF-21 Boramae fighter prototype took off for its first-ever supersonic test flight on Tuesday at 2:58 p.m. at the base of South Korea’s Air Force 3rd Training Wing in the city of Sacheon, South Gyeongsang Province, according to the Defense Acquisition Program Admi

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