South Korea Advances Next-Gen L-SAM II Development to Counter Hypersonic and Ballistic Threats
South Korea has taken a significant step forward in strengthening its missile defense capabilities with the approval of the next-generation Long-Range Surface-to-Air Missile (L-SAM II) project. The nation’s Defense Acquisition and Program Administration (DAPA) has sanctioned a budget of 567.7 billion South Korean won (approximately $388 million) to develop the advanced system by 2028, ensuring that South Korea stays ahead of evolving threats, including hypersonic and intercontinental ballistic missiles.
The L-SAM II is designed to surpass its predecessor, the L-SAM, in both altitude and range. While the original L-SAM has an operational range of 150 kilometers (93 miles) and an altitude of 40 kilometers (25 miles), the L-SAM II aims to extend these capabilities significantly. Early assessments suggest that its defensive coverage could be three to four times greater than the L-SAM, offering South Korea a critical edge in intercepting high-altitude threats.
The system will utilize advanced hit-to-kill technology, ensuring pinpoint accuracy against incoming threats. Similar to its predecessor, the L-SAM II is expected to include a combat control station, four truck-mounted launchers, and interceptors specialized for anti-aircraft and anti-ballistic functions. However, the new iteration will incorporate enhanced capabilities to neutralize hypersonic and gliding-stage missiles, particularly those potentially launched by North Korea.
South Korea’s decision to accelerate the development of the L-SAM II stems from rising regional tensions and the growing sophistication of North Korea’s missile arsenal. In 2023, DAPA approved a broader funding plan amounting to 2.71 trillion won ($1.86 billion) for L-SAM II development, spanning 2024 to 2035. This comprehensive plan also includes research and development for a gliding-stage interceptor missile aimed specifically at countering North Korea's hypersonic weapons and intercontinental ballistic missile systems.
In addition to the L-SAM II, South Korea is working on complementary systems, such as the Low-Altitude Missile Defense (LAMD) system, to address threats posed by long-range artillery barrages. Together, these initiatives form a multi-layered defense strategy capable of countering threats at various altitudes and trajectories.
The state-run Agency for Defense Development (ADD) will spearhead the L-SAM II project, supported by 19 other domestic companies. This collaborative effort highlights South Korea’s commitment to leveraging local expertise to bolster its national security. The development process will focus on refining the system’s precision, reliability, and integration with existing missile defense networks, such as the Terminal High Altitude Area Defense (THAAD) system operated by the U.S. military in South Korea.
The original L-SAM system, whose development was completed in December 2023, is set to enter serial production this year. Designed to intercept ballistic missiles and aircraft at high altitudes, the L-SAM has already demonstrated South Korea's ability to develop cutting-edge missile defense technologies. The L-SAM II aims to build on this foundation, providing an even more robust defense against modern and emerging threats.
By focusing on advanced interception technologies and expanding coverage capabilities, the L-SAM II represents a crucial step in South Korea’s ongoing efforts to ensure national security and regional stability. As tensions in the Korean Peninsula persist, the development of the L-SAM II underscores the nation’s resolve to counter missile threats with innovation and preparedness.
This ambitious project not only reinforces South Korea’s defense infrastructure but also signals its commitment to maintaining a technological edge in the face of an increasingly unpredictable geopolitical landscape.