South Korea Tests Its First Hypersonic Glide Vehicle; Lee Attends
Seoul says its homegrown hypersonic glide vehicle separated from its booster, maneuvered at low altitude and hit its target as President Lee watched.
SEOUL — South Korea carried out the first test launch of a domestically developed hypersonic glide vehicle (HGV) on October 8, with President Lee Jae Myung observing, the presidential office said.
The Agency for Defense Development (ADD), the state-run weapons research agency, conducted the launch. Officials did not disclose the test site.
What Seoul says the test showed
The vehicle climbed to its target altitude on a booster, separated and completed its planned hypersonic flight. It then descended and maneuvered both vertically and horizontally at low altitude before hitting its designated target, according to the presidential office as reported by The Korea Herald.
Presidential spokesperson Kang Yu-jung said the test was designed to check thermal protection materials built to survive extreme heat, guidance and control systems, and irregular maneuvering at low altitude, Yonhap reported. “This successful launch marks a major milestone in that preparations are complete to secure a new deterrent capable of striking critical targets across the theater of the Korean Peninsula,” she said. The office called the HGV a “key strategic asset capable of changing the course of the battlefield.”
These results come from the government. No independent assessment of the flight has been published.
How a glide vehicle differs
An HGV rides a booster into the upper atmosphere, then separates and glides toward its target, generally at speeds above Mach 5. Ballistic missiles follow more predictable arcs; glide vehicles can change course and fly relatively low, which makes them harder to detect, track and intercept, the Korea Herald noted.
Lee’s message
The launch was Lee’s first known attendance at a missile test as president. “Our security must be secured through our own strength,” he said, adding that the government would support the development and deployment of advanced weapons “so that the public does not have to worry.”
He told the development team not to “rest on today’s success” and to refine the technology so the HGV “becomes a reliable strategic asset that protects our security in the future,” according to Yonhap. Lee then inspected the Hyunmoo-5, a heavy ballistic missile designed to penetrate hardened underground targets. Defense Minister Kang Shin-chul and Defense Acquisition Program Administration chief Lee Yong-cheol accompanied him.
Context: wartime command and North Korea
Seoul is building up its strike capabilities as it pursues the conditions-based transfer of wartime operational control (OPCON) from the US-led Combined Forces Command. Lee has pledged to complete that transfer during his term, which ends in 2030. At a parliamentary audit the same day, the Joint Chiefs of Staff said it was pushing for early deployment of high-yield missiles and medium-altitude reconnaissance drones as part of the preparations, the Korea Herald reported.
The test also follows South Korea’s conclusion this week that North Korean antipersonnel mines planted south of the Military Demarcation Line caused the September 21 explosions that injured three South Korean soldiers. Joint Chiefs Chairman Gen. Jin Young-sung said the military was considering both physical and nonphysical measures, without elaborating, the Korea Herald reported.
What it means
Analysis: South Korea already fields ballistic and cruise missiles. A working glide vehicle would add a weapon meant to reach defended or time-sensitive targets faster and less predictably, consistent with Seoul’s push to carry more of its own deterrence burden ahead of the command transfer. Officials described the system as still in development and gave no deployment date.
Sources
- Yonhap: S. Korea test-launches 1st hypersonic glide vehicle
- The Korea Herald: Lee observes S. Korea’s first homegrown hypersonic missile test
- Maeil Business: Korean hypersonic glide vehicle succeeds in first test
