海角大神

Why South Korea agreed to deploy US missile-defense system

After years of speculation and contemplation, South Korea and the United States have finally agreed to go ahead and deploy THAAD, an advanced missile-defense system.

South Korean Defense Ministry's Deputy Minister for Policy Yoo Jeh-seung (c.) speaks to the media about deploying the Terminal High-Altitude Area Defense, or THAAD, as Lt. Gen. Thomas Vandal, the commander of US Forces Korea's Eighth Army (l.) listens during a media briefing at the Defense Ministry in Seoul, Friday.

Lee Jin-man/AP

July 8, 2016

An advanced US missile-defense system capable of intercepting short- and medium-range ballistic missiles is to be deployed in South Korea, officials announced Thursday, after years of hesitation in the face of Chinese push-back.聽

The (THAAD) is something the United States has long been touting, arguing that it is a sensible precaution against North Korea's missiles. South Korea, however, has been hesitant to move ahead, wary of risking Chinese cooperation to rein in North Korea's missile and nuclear programs.

A recent flurry of missile tests and a nuclear detonation by Pyonyang, however, have brought a sense of urgency to the situation and precipitated intense consultation this year between Seoul and Washington.

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In a joint announcement Thursday, the Republic of Korea and the US declared their intention to 鈥,鈥 drawing quick condemnation from both China and Russia.

鈥淣orth Korea's nuclear test and multiple ballistic missile tests, including the recent intermediate-range ballistic missile (IRBM) launches, highlight the grave threat that North Korea poses to the security and stability of the Republic of Korea (ROK) and the entire Asia-Pacific region,鈥 reads the statement.

In a tacit acknowledgment of China鈥檚 concerns, the statement goes on to say the missile-defense system would focus 鈥渟olely on North Korean nuclear and missile threats and would not be directed towards any third party nations.鈥

Nonetheless, the Chinese foreign ministry expressed dismay, saying it is "" the forthcoming deployment, which the ministry suggested would hinder denuclearization of the Korean peninsula.

Beijing鈥檚 concerns over the system stem from a belief not so much that it would be able to bring down Chinese missiles, but more that it might provide early warning 鈥渋n the fantastic and highly unlikely event of a nuclear confrontation鈥 between China and the United States, as Nicholas Kitchen of the London School of Economics and Political Science told 海角大神 earlier this year.

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In fact, the Chinese find the prospect of THAAD so disconcerting that one South Korean diplomat suggested that, should it be deployed, 鈥渋t would destroy our bilateral relationship with China in an instant," according to Dr. Kitchen.聽

Russia鈥檚 foreign ministry, too, has expressed its dissatisfaction with the decision, suggesting that the deployment will 鈥,鈥 and saying it could escalate tensions in the region.

None of these reactions likely comes as a surprise to the South Koreans or the United States, but Pyongyang鈥檚 recent efforts have included the test-firing of mid-range ballistic missiles, capable of striking US facilities in Guam and Japan. Indeed, North Korea claims to have also tested a missile with the potential to聽

With these increasing ambitions and capabilities, analysts agree that the thinking in Seoul was finally tipped in favor of taking action, in spite of the likely impact on relations with Beijing.

"If China wanted to exert a lot of influence on somebody going into Korea,鈥 Adm. Harry Harris, commander of US forces in the Pacific, told reporters in February, 鈥渢hen they should exert that influence on North Korea."