The South Korean armed forces have killed off an attempt by Korea Aerospace Industries (KAI) to reduce the cost and technical challenge of the proposed KF-X fighter, with the country’s joint chiefs of staff determining that the indigenous aircraft must have two engines. The decision raises the stakes for KF-X, the earliest prospective fighter program for Western engine and system suppliers. With a twin-engine design, the program is confirmed as ambitious but hard to launch, rather than ...


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