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South Korea considers a nuclear arsenal to counter the North

Moon Jae-In, left, and his wife Kim Jung-Sook during his campaign for the presidency, on May 9, 2017, in Seoul, South Korea.

LEE JAE-WON/AFLO/ZUMA PRESS/TNS

By STUART LEAVENWORTH | McClatchy Washington Bureau | Published: July 28, 2017

SEOUL, South Korea (Tribune News Service) — No longer sure they can rely on the United States, an increasing number of South Korean lawmakers say their country should develop its own nuclear arsenal to deter an attack by Kim Jong Un, their belligerent neighbor to the north.

North Korea’s rapid missile advances, including successful tests of intercontinental ballistic missiles in July and again on Friday, are reviving calls for South Korea to assert its “nuclear sovereignty.” South Koreans are wary of President Donald Trump’s isolationist rhetoric and his calls for Asian allies to shoulder more of the defense burdens borne by the U.S. military.

“Trump’s ‘America-first’ policy has triggered this kind of public sentiment,” said Moon Chung In, a top national security adviser to South Korean President Moon Jae In. Trump also has wavered on his commitment to defending South Korea, he said, including suggesting during the campaign that South Korea and Japan should develop their own nuclear arsenals.

While President Moon, a liberal who took office in May, does not support calls for South Korea to join the nuclear club, polls show that a majority of South Koreans surveyed favor the idea. Support bumps higher whenever North Korea conducts a nuclear or missile test and members of South Korea’s two major conservative parties are pressing Moon to at least explore the nuclear option of developing nuclear weapons.

“They want to strike a better balance of power between South and North Korea, and I also support that position,” said Yoon Young Seok, an elected member of South Korea’s National Assembly who belongs to the conservative Liberty Korea Party. Yoon said that half of his party’s 107 lawmakers support South Korea arming itself with nuclear weapons.

Up until the early 1970s, South Korea was actively pursuing development of nuclear warheads. But because of pressure from the United States, it abandoned those efforts in 1975, when it signed the international nuclear nonproliferation treaty. Since then, it has relied on the deterrence capacity of the United States, which has a stockpile of roughly 4,000 nuclear weapons.

Now, North Korea’s advances in nuclear weaponry and missiles are changing South Korea’s strategic calculus. Kim Jong Un’s July 4 launch of an ICBM “was the most surprising and outstanding in the history of the North Korea missile development,” said Kim Jong Dae, a South Korean lawmaker and member of its National Defense Committee. North Korea fired a missile Friday that traveled even farther — 2,300 miles in height — before landing in Japanese territorial waters.

U.S. analysts say North Korea could have the capability to miniaturize a nuclear warhead that, when placed atop a missile, could threaten the continental United States within a year or two. If that capability is affirmed, many South Koreans fear that U.S. leaders may grow reluctant to defend South Korea in a conventional war with North Korea, fearing it could lead to a full-blown nuclear exchange.

“If North Korea develops an ICBM and deploys nuclear weapons, will the United States deploy military forces at the right time in case of a contingency?” said Yoon. “If North Korea’s nuclear missiles can hit the mainland, will the United States protect South Korea during an attack? There are suspicions and concerns about these questions.”

Since 1953, South Korea and the United States have been bound by a mutual defense treaty to aid each other in the event of war. On the campaign trail, however, Trump said he’d like to see South Korea and Japan develop their own nuclear weapons to deter a North Korean attack. He also said he’d be open to withdrawing U.S. forces from Japan and South Korea if the two nations did not shoulder more of the costs of keeping troops in the region.

Trump’s latter comment caused a stir in South Korea, partly because North Korea quickly applauded it and also South Korea is hardly a slacker when it comes to national defense. The country spends more than $34 billion yearly on its military, requires compulsory military service and fields more than 620,000 active troops. By comparison, the United States — with more than six times the population — is defended by 1.28 million active duty military.

The White House did not respond to a request for comment.

Since Trump took office, his national security team has worked to rebuild trust with South Korea, arguably the most crucial U.S. ally in Asia. When Defense Secretary Jim Mattis visited Seoul in February, he told his counterparts he was there “to make clear the administration’s full commitment to the United Nations mission in defense of your democracy.”

Even so, several of Trump’s actions have left South Korean leaders uneasy. Upon taking office, Trump pulled the United States out of the Trans-Pacific Partnership, a trade deal aimed at undermining China’s rising influence in the region. Trump also has accused South Korea of “horrible” trade policies, and at one point suggested that South Korea pay $1 billion for a missile defense system known as THAAD that is being deployed, in part, to protect U.S. troops and military assets in the region.

Daniel Pinkston, a U.S. Air Force veteran and security expert at Troy University in Seoul, said that Trump’s collective actions have sent a negative signal to friends and adversaries. Past presidents, said Pinkston, have bolstered the U.S.-South Korea alliance through trade and support of democracy, human rights and the rule of law. Trump has taken a different stance.

“Lack of support for these shared values has a lot of people alarmed in the region, from Australia to Japan to South Korea,” said Pinkston. Uncertainty about the U.S. commitment is emboldening South Koreans who want to pursue the nuclear option, a move that Pinkston calls “reckless and dangerous.”

(EDITORS: BEGIN OPTIONAL TRIM)

South Korea is home to more than nuclear power plants, and if it decided to pursue a nuclear weapons program, it would have both the expertise and material to do so.

Still, it would be no simple task for South Korea to “go nuclear.”

Building nuclear weapons would jeopardize South Korea’s alliance with the United States, and also force Seoul to withdraw from a U.S. nuclear agreement that bans it from independently enriching uranium or reprocessing plutonium. In turn, it would expose South Korea to international sanctions, similar to those imposed on North Korea after its first nuclear test, in 2006.

It is also unlikely that Beijing would sit idly by while South Korea deployed nuclear weapons nearby. China would likely ramp up its own arsenal, especially if Japan followed Seoul’s lead and launched its own nuclear weapons program.

There are strategic reasons for South Korea not to go down this road, said Pinkston. Even with its technological know-how, South Korea would need several years to develop a reliable nuclear arsenal, leaving it exposed during that time.

“North Korea would have an incentive to strike first,” said Pinkston. “South Korea would be in a very vulnerable position.”

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Currently, South Korea’s pro-nuclear contingent of lawmakers does not have the votes to pursue a nuclear weapons program. But that could change in subsequent elections, depending on what happens in Washington, Pyongyang and Seoul.

“There are an increasing number of lawmakers who are studying armament, or what we call nuclear sovereignty,” said lawmaker Kim Jong Dae, a member of the Justice Party, which is generally aligned with President Moon’s Democratic Party.

“This will definitely emerge as a mainstream political issue,” he added, if North Korea demonstrates it possesses the capability to launch a missile strike against major U.S. cities.

In the meantime, President Moon’s foreign policy staff is keeping a close eye on the White House, including which advisers are ascending or descending. Trump’s decision to remove hardline nationalist Steve Bannon from the National Security Council in April was “a good sign,” said Moon Chung In, the South Korean president’s national security consultant.

Seoul’s new leadership is holding out hope that Defense Secretary Mattis and national security adviser H.R. McMaster will hold sway over policy toward the Korean Peninsula. Said Moon, the adviser: “If Trump listens to Mattis and McMaster, there won’t be any kind of disaster.”

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This report was financed in part through a travel fellowship provided by the East-West Center, the Korea Press Foundation and the Pacific Century Institute. Translator Choi Bori contributed.

©2017 McClatchy Washington Bureau
Visit the McClatchy Washington Bureau at www.mcclatchydc.com
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