Republic of Korea Air Force KF-21 Ordered

South Korea's Defense Acquisition Program Administration signed a second production contract with Korea Aerospace Industries on 26 June 2025 for 20 more KF-21 Boramae fighters, worth about 2.4 trillion won, the Korea Economic Daily reported. With the first batch of 20 ordered in June 2024, firm orders for the initial Block I stand at 40 aircraft, to be delivered from the second half of 2026 through 2028. Associated contracts cover 40 engines from Hanwha Aerospace and AESA radars from Hanwha Systems. The 4.5-generation KF-21 is to replace the Republic of Korea Air Force's F-4 and F-5 fleets, with 120 aircraft planned in total.