LIG Nex1 Takes Lead Role in KF-21 Missile Program
South Korea has moved forward with its effort to localize key fighter weapons, as LIG Nex1 has been selected to lead the South Korea short range air to air missile program for the KF-21 Boramae fighter. The program was confirmed in 2025 and is aimed at equipping the KF-21 with a fully indigenous close combat missile.
The new missile is intended to replace reliance on imported short range air to air weapons and support the Republic of Korea Air Force long term operational independence.
Background of the KF-21 Weapons Strategy
The KF-21 Boramae is South Korea’s most advanced domestically developed fighter aircraft. While early production aircraft rely on foreign weapons, Seoul has prioritized local missile development to secure export flexibility and reduce external constraints.
The South Korea short range air to air missile effort fits into a wider plan that also includes medium range air to air missiles and precision guided munitions designed for the KF-21 platform.
Details of the Missile Development Program
LIG Nex1 will act as the prime contractor, overseeing system design, seeker development, propulsion, and guidance integration. The missile is expected to feature an imaging infrared seeker, high off bore sight capability, and compatibility with helmet mounted targeting systems.
The South Korea short range air to air missile will be optimized for internal and external carriage on the KF-21, supporting both air superiority and defensive counter air missions. Testing and integration activities are expected to continue through the latter part of the decade.
Strategic and Policy Implications
Defense analysts view the program as a key milestone for South Korea’s aerospace industry. A domestic missile reduces dependence on foreign approvals and strengthens the KF-21’s appeal to potential export customers in Asia and the Middle East.
The South Korea short range air to air missile also aligns with Seoul’s broader policy of building an end to end fighter ecosystem, from airframe to sensors and weapons.
What Comes Next
Following system development, the missile will enter flight testing and live fire trials before certification on the KF-21. Once operational, it will become a core element of the fighter’s close range combat capability and a symbol of South Korea’s growing defense technology base.
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