Story perspectives

South Korea's Cheongung-II Outperforms Patriot System at Lower Cost

3/21/2026

Center

South Korea's Defense Strategy

The MIM-104 Patriot missile system carries about a $1 billion price tag.
Each interceptor missile costs about $4 million.
The United States has spent over $11.3 billion early in the Iran conflict.
South Korea's Cheongung-II missile system achieved a 96% interception rate against Iranian missiles at one-third the Patriot system's cost.
South Korea faces challenges managing the political implications of its defense exports as its involvement deepens.

Left

Protests Against Trump

Protests erupted in South Korea against U.S. President Donald Trump's call for military support in the Iran conflict, with activists fearing regional instability.
Demonstrators expressed outrage over potential involvement, citing concerns about US military asset redeployments from East Asia.
In Japan, opposition leaders criticized the U.S. plans to redeploy destroyers and marines, emphasizing Japan's security needs.
Prime Minister Takaichi faces pressure to navigate U.S. demands while addressing domestic legal constraints.

History

Historical Context

The U.S. deployed the MIM-104 Patriot missile system in 1984, costing around $1 billion, to enhance defense against ballistic threats. This system proved effective during the Gulf War, intercepting 90% of incoming missiles. Today, South Korea's Cheongung-II missile system offers a more cost-efficient alternative, achieving a 96% interception rate, amid ongoing protests reflecting historical tensions over U.S. military presence in the region.

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South Korea's Defense Strategy

The MIM-104 Patriot missile system carries about a $1 billion price tag.
Each interceptor missile costs about $4 million.
The United States has spent over $11.3 billion early in the Iran conflict.
South Korea's Cheongung-II missile system achieved a 96% interception rate against Iranian missiles at one-third the Patriot system's cost.
South Korea faces challenges managing the political implications of its defense exports as its involvement deepens.

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