S. Korea in final stage of assembling first prototype of indigenous fighter jet

South Korea is in the final stage of assembling a prototype of what would be the country's first indigenously developed fighter jet, which is expected to be unveiled in April, officials said Sunday. South Korea has been working on the KF-X project since 2015 to develop a homegrown cutting-edge fighter aircraft to replace the Air Force's aging fleet of F-4 and F-5 jets.

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