- April 9, 2021, 11:36 AM The first prototype of the KF-21 Boramae was unveiled in a ceremony at KAI’s Sacheon facility. (Photo: Korea DAPA) South Korea has officially named the Korea Aircraft Industries (KAI) KF-X fighter as the KF-21 Boramae (Young Hawk) in a rollout ceremony for the first prototype aircraft on April 9. The event was attended by South Korean president Moon Jae In, and also by Indonesia’s defense minister, Prabowo Subianto, despite the uncertainty of the Southeast Asian country’s status in the fighter program. A full-scale mock-up of the KF-X was unveiled in 2019,...