The US may move some of its anti-missile system - and it's sparking unease in South Korea

March 13, 2026

The United States is relocating components of its Terminal High-Altitude Area Defense (Thaad) missile system from South Korea to the Middle East amid ongoing conflict with Iran. This move comes after reports that Iran destroyed a valuable Thaad radar in Jordan and has launched over 500 ballistic missiles at Israeli and American targets in the region. The redeployment has sparked concern in South Korea about weakened defense capabilities against North Korean threats, with President Lee Jae-myung publicly acknowledging Seoul's opposition while admitting limited ability to prevent the transfer.

Who is affected

United States military and defense capabilities
South Korea and its defense posture against North Korea
Israel and US military bases in the Middle East under Iranian attack
Iran (as target of US-Israeli strikes)
China (as regional power concerned about US military presence)
North Korea (potentially as opportunistic actor)
US allies in the Middle East including UAE and Saudi Arabia
Local South Korean residents near the Seongju airbase
Thaad system operators (approximately 100 personnel per battery)

What action is being taken

Parts of the Thaad missile defense system are being transported out of the Seongju airbase in South Korea
The US and Israel are striking Iran
Iran is responding with barrages of drones and ballistic missiles targeting Israeli and US military bases
Iran is launching ballistic missiles (more than 500 so far)
US military forces are intercepting most incoming Iranian missiles

Why it matters

This redeployment matters because it reveals significant strain on American global defense resources, particularly as the US operates only eight Thaad systems worldwide. The move suggests America's existing missile defense capabilities in the Middle East are being heavily depleted by the unprecedented volume of Iranian missile attacks. It also demonstrates the strategic trade-offs the US faces when managing simultaneous security commitments across different regions. For South Korea, the withdrawal potentially weakens deterrence against North Korean nuclear threats at a time when the peninsula remains tense. More broadly, the situation raises critical questions about whether a prolonged Middle Eastern conflict could deplete US missile inventories to the point where responding effectively to other contingencies—such as potential Chinese aggression or North Korean provocations—becomes difficult.

What's next

No explicit next steps stated in the article

Read full article from source: BBC