South Korea's THAAD removed from Seongju, slated for redeployment to Middle East.
A Tokyo-based newspaper reported on December 12 that the THAAD system installed in Seongju, North Gyeongsang Province, has been removed and is expected to be redeployed to the Middle East, citing South Korean sources. THAAD, installed in Korea since 2017, is a U.S.-led missile defense system intended to counter ballistic missiles from the North.
The Nikkei account warned that growing tensions in the Middle East could ripple into East Asian security. It suggested that if U.S. forces, including THAAD, remain concentrated in the Middle East, a security gap could emerge in East Asia, complicating deterrence on the Korean Peninsula and beyond.
The report also noted that China, which has criticized the THAAD deployment in Korea, could view its removal favorably. It linked this to broader security considerations for Japan, given neighboring North Korea and China and the potential shifts in regional deterrence.
Japanese media highlighted the possibility that Japan’s Self-Defense Forces could be dispatched if tensions escalate in the Iran region, tying this to broader security cooperation with the United States and regional allies.
Ahead of the U.S.-Japan summit scheduled in the United States on the 19th, there was speculation that Washington may seek Tokyo’s help with Middle East security tasks, such as escorting oil tankers through key routes like the Strait of Hormuz or participating in mine clearance operations, according to the reporting.
For readers unfamiliar with the background: THAAD is a U.S.-led ballistic missile defense system designed to intercept short- and intermediate-range missiles. Seongju is a rural area in Korea where the system has drawn domestic protests and political debate since its 2017 deployment, amid tensions with North Korea and the broader U.S.-South Korea alliance.
The potential redeployment matters for the United States because it touches on how Washington and Seoul balance deterrence in Asia with global commitments in the Middle East. It also intersects with Japan’s security posture and regional alliance dynamics that help shape U.S. strategy, including the protection of international energy supply routes and stability in the Indo-Pacific region.
Official statements from South Korea’s Defense Ministry, or from U.S. defense authorities, had not confirmed the report by press time. Still, the developments highlight how shifts in force posture abroad can influence U.S. security planning, alliance cohesion, and the broader regional security environment.