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A South Korean soldier walks past a TV in Seoul broadcasting a news report on North Korea firing a missile.

REUTERS/Kim Hong-Ji

What We're Watching: South Korea dangles Kill Chain, frozen Afghan funds thawing

South Korea dusts off "Kill Chain" vs. North

We think a potential nuclear war on the Korean Peninsula would be sparked by a first strike from the North. But what if the South launched a preemptive strike instead? Since Yoon Suk-Yeol was elected South Korea’s president in March, Seoul has been paying more attention to its decade-old “Kill Chain” program, which calls for a series of rapid strikes against key North Korean targets when South Korean intelligence believes Pyongyang is about to attack — possibly also taking out the supreme leader and top generals. Why is Yoon considering this? It’s likely in response to Kim Jong Un developing hypersonic missiles that would give the South less time to respond. Also, Yoon may want a plan B in case the US waivers on its long-term security commitment to South Korea — former US President Donald Trump, for instance, threatened to force Seoul to pay a bigger bill. But it’s a catch-22: knowing that the South Koreans have “Kill Chain” in place could deter Kim from attacking, or it could prompt him to do something drastic while he still thinks he has the upper hand over Seoul.

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