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1. US strategy and force posture for an era of nuclear tripolarity

Author:
Keir A. Lieber and Daryl G. Press
Publication Date:
05-2023
Content Type:
Working Paper
Institution:
Atlantic Council
Abstract:
The term “nuclear tripolarity” describes a world in which China has joined the United States and Russia as a leading nuclear power. As China modernizes its existing nuclear forces and deploys new weapons, it is on track to roughly double its deployed nuclear arsenal in the next few years—from approximately 350 to 700 deliverable warheads. The US Department of Defense projects that China will go further, expanding its arsenal to at least 1,500 warheads by 2035.1 At those force levels, China’s arsenal would be comparable to US and Russian deployed nuclear forces, currently capped at 1,550 by the New START Treaty.2 What are the consequences of emerging tripolarity for US nuclear strategy and force posture? If the United States retains its current approach to nuclear force planning, the growth of China’s arsenal (and the ongoing modernization of Russia’s nuclear weapons) will likely compel the United States to significantly increase its own arsenal. The easiest way to do so would be to upload one to two thousand additional warheads from US reserves onto existing delivery systems when the New START treaty expires in 2026. Unfortunately, a major increase in US forces would likely mark just another step in an intensifying arms competition among the three leading nuclear powers, since China and Russia would then feel pressure to respond.
Topic:
Defense Policy, National Security, Nuclear Weapons, Geopolitics, Deterrence, and Multipolarity
Political Geography:
Russia, China, Asia, North America, and United States of America

2. Tasks for North Korea Policy After the Washington Declaration

Author:
Yu-hwan Koh
Publication Date:
06-2023
Content Type:
Commentary and Analysis
Institution:
East Asia Institute (EAI)
Abstract:
Yu-hwan Koh, the President of the Korea Institute for National Unification, acknowledges the progress made in maintaining the Nuclear Non-proliferation Treaty regime and bolstering extended deterrence capabilities against North Korean nuclear threats through the Washington Declaration. Nevertheless, he underscores the lack of a fundamental solution to halt further advancements in Pyongyang's nuclear capabilities. Dr. Koh emphasizes the importance of establishing normalized relations between the United States and North Korea, particularly considering that North Korea now possesses nuclear weapons and is unlikely to return to denuclearization talks. In response, he reiterates the significance of the ROK-US alliance in strengthening the Three-Axis system and developing new weapon systems that can effectively counter North Korea's nuclear capabilities.
Topic:
International Relations, Nuclear Weapons, Deterrence, and Denuclearization
Political Geography:
Asia, North Korea, and United States of America

3. North Korea’s Space Development: The Gap Between Ideal and Reality

Author:
Cheol-wun Jang
Publication Date:
05-2023
Content Type:
Commentary and Analysis
Institution:
East Asia Institute (EAI)
Abstract:
Cheol-wun Jang, a research fellow at the Korea Institute for National Unification, emphasizes that while North Korea has made significant strides in long-range ballistic missiles, it has not been successful in the area of artificial satellites. Up until now, Pyongyang has had limited engagement in exchanges with major advanced countries involved in space development. Dr. Jang predicts that North Korea is expected to continue its independent pursuit of space development, which will hinder the country’s progress in the satellite sector in the near future.
Topic:
Development, Nuclear Weapons, Space, Kim Jong-un, and Militarization
Political Geography:
Asia and North Korea

4. The South Korea-U.S. Summit and Measures to Enhance Bilateral Cooperation on North Korea

Author:
Jechun Kim
Publication Date:
05-2023
Content Type:
Commentary and Analysis
Institution:
East Asia Institute (EAI)
Abstract:
Jechun Kim, a professor at Sogang University, points out that the Biden administration appears to prioritize competition with China, the Taiwan issue, and the Ukraine War, despite the growing threat posed by North Korea’s nuclear and missile capabilities. In response, Kim underlines the importance of issuing a “2023 US-ROK Joint Statement on North Korea” after President Yoon’s visit to the White House. Given the fading interest and support for the reunification of the Korean Peninsula, Professor Kim emphasizes the significance of addressing the rapid advancement in DPRK’s nuclear capabilities. He then suggests that South Korea needs to create a conducive environment for peaceful reunification through strong support from the U.S. for the “Audacious Initiative.”
Topic:
Diplomacy, International Cooperation, Nuclear Weapons, Bilateral Relations, and Denuclearization
Political Geography:
Asia, South Korea, North Korea, North America, and United States of America

5. Re-Declared “Frontal Breakthrough”: North Korea’s Nuclear First Line in 2023 and Its Limitations

Author:
Walter G. Park
Publication Date:
02-2023
Content Type:
Commentary and Analysis
Institution:
East Asia Institute (EAI)
Abstract:
Won Gon Park, Chair of the EAI Center for North Korean Studies (Professor at Ewha Womans University) stresses that North Korea's persistence to pursue its nuclear-first line will lead Pyongyang to a severe crisis as the line would cripple its economy while boosting the U.S. efforts to establish enhanced alliance security cooperation based on the concept of "integrated deterrence." Dr. Park suggests that the South Korean government establishes measures to assist North Korea's transition to an "economy first" state and to prepare an innovative measure that could guarantee the survival of the regime while not jeopardizing the national security of South Korea.
Topic:
International Relations, Security, Nuclear Weapons, and Denuclearization
Political Geography:
Asia, South Korea, and North Korea

6. North Cranks up Nukes—and Slams Down the Phone

Author:
Aidan Foster-Carter
Publication Date:
05-2023
Content Type:
Journal Article
Journal:
Comparative Connections
Institution:
Pacific Forum
Abstract:
The first four months of 2023 brought no progress or respite in inter-Korean relations. Pyongyang sent no further drones into Southern airspace as it had in December, but continued to rattle Seoul with tests of advance weaponry and ever more lurid nuclear rhetoric. South Korea hardened its language and stance, with a restored emphasis on human rights in the North—now officially defined as an enemy once more. ROK President Yoon Suk Yeol also found enemies within: leftists who made contact with the DPRK in third countries were no longer ignored but prosecuted. More ominously, so were four top officials who served the previous president, Moon Jae-in, over how they handled two difficult inter-Korean incidents in 2019-20. Elsewhere, Seoul complained in vain about Pyongyang’s abuse of its assets in two defunct joint ventures: stealing some, destroying others. Soon after, the North stopped answering the phone. It is hard to see how North-South relations will improve, but all too easy to imagine them getting even worse.
Topic:
International Relations, Nuclear Weapons, Bilateral Relations, and Regional Politics
Political Geography:
Asia, South Korea, and North Korea

7. US-Korea Relations: Nuclear New Year

Author:
Mason Richey
Publication Date:
05-2023
Content Type:
Journal Article
Journal:
Comparative Connections
Institution:
Pacific Forum
Abstract:
South Korean president Yoon Suk-yeol has tried to make a priority of transforming the traditional US-South Korea military alliance into a “global, comprehensive strategic alliance” with increasing ambitions beyond hard security issues on the Korean Peninsula and in Northeast Asia in general. Yoon and his foreign policy team get an “A” for vision and effort—joining the NATO Asia-Pacific Four (AP4) and releasing an Indo-Pacific Strategy in 2022 are evidence. But, like Michael Corleone trying to go legit in The Godfather III, every time they make progress getting out, they get pulled back into the Peninsula. To wit, during the first trimester of 2023 Korean Peninsula security issues again commanded disproportionate attention from Seoul and Washington. The proximate cause for this dynamic is North Korea’s mafioso-in-chief, Kim Jong Un, who started 2023 with a January 1 missile launch and kept at it throughout the winter. This, of course, followed record-breaking 2022 North Korean missile tests and demonstrations, which totaled approximately 70 launches of around 100 projectiles. Given the near-zero prospects for North Korean denuclearization and the growing arsenal at Pyongyang’s disposal, it is understandable that any South Korean president would be distracted from interests further afield. The audacious nature of Yoon’s re-focusing on South Korean security was surprising and controversial, however. On January 11, apparently fed up with perceived South Korean vulnerability to its nuclear-armed consanguine, and perhaps irritated with the Biden administration’s slow realization of this South Korean sentiment, he made a pronouncement that no democratic leader in Seoul has ever made publicly before: he stated that South Korea—which benefits from US extended nuclear deterrence—could still consider acquiring its own nuclear weapons, if “North Korean provocations continued intensifying.” This set off a diplomatic kerfuffle that resonated—on both sides of the 38th parallel, as well as in Washington and Beijing—for much of the rest of the January-April reporting period. Given the provocative nature of Yoon’s statement, the South Korean presidential office later backtracked, “clarifying” that Yoon was simply expressing his “firm commitment to defending the nation” against North Korea’s nuclear threats, and while the “worst case scenario must be taken into consideration,” “the principle of abiding by the [Nuclear] Nonproliferation Treaty holds.” In any event, Washington took notice of its anxious ally, responding with demonstrations of commitment to extended deterrence for South Korea—including a visit by Secretary of Defense Lloyd Austin and strategic asset deployments to South Korea. All this was in addition to regular combined military exercises and naval exercises featuring US aircraft carrier strike groups. Washington also consented to more bilateral consultation with Seoul regarding the US nuclear umbrella. The saga has concluded—at least for now—with the Washington Declaration promulgated at the Biden-Yoon summit in late April. The Washington Declaration promises tightened US-South Korea extended deterrence coordination and consultation, while the leaders’ summit—in the context of Yoon’s state visit to celebrate 70 years of US-South Korea alliance relations—functioned as a renewal of Washington-Seoul ties. These ties are now perhaps as strong as they have ever been. If Pyongyang has reckoned that increased belligerence would decouple the US-South Korea alliance, it has seemingly miscalculated.
Topic:
Security, Nuclear Weapons, Bilateral Relations, Alliance, and Strategic Interests
Political Geography:
Asia, South Korea, North America, and United States of America

8. Japan and South Korea as Like-Minded Partners in the Indo-Pacific

Author:
Ji-Young Lee and Andy Lim
Publication Date:
01-2023
Content Type:
Journal Article
Journal:
Comparative Connections
Institution:
Pacific Forum
Abstract:
The last four months of 2022 saw a flurry of bilateral diplomatic activities between Japan and South Korea in both nations’ capitals and around the world. They focused on 1) North Korea, 2) the issue of wartime forced labor, and 3) the future of Seoul-Tokyo cooperation in the Indo-Pacific region. Despite mutual mistrust and the low approval ratings of Prime Minister Kishida Fumio and President Yoon Suk Yeol, both leaders had the political will to see a breakthrough in bilateral relations. Another signal came in the form of new strategy documents in which Seoul and Tokyo explained their foreign and security policy directions and goals. On Dec. 16, the Kishida government published three national security-related documents—the National Security Strategy (NSS), the National Defense Strategy (NDS), and the Defense Buildup program. On Dec. 28, the Yoon government unveiled South Korea’s Strategy for a Free, Peaceful, Prosperous Indo-Pacific Region, its first-ever Indo-Pacific strategy. Although each document serves a somewhat different purpose, it is now possible to gauge how similarly or differently Japan and South Korea assess challenges in the international security environment, and how they plan to respond to them. Importantly, they signal the other, the United States, and the world that they acknowledge the strategic and economic importance of their partner in their vision of the future. When one considers the future of Japan-South Korea relations, what are some of the most important takeaways?
Topic:
Security, Diplomacy, Nuclear Weapons, Bilateral Relations, and Partnerships
Political Geography:
Japan, Asia, South Korea, and Indo-Pacific

9. China-Korea Relations: Kim Jong Un Tests Xi-Yoon Diplomacy

Author:
Scott Snyder and See-Won Byun
Publication Date:
01-2023
Content Type:
Journal Article
Journal:
Comparative Connections
Institution:
Pacific Forum
Abstract:
Regional and global summits presented high-level platforms for China-South Korea engagement in November. The summitry showed that the relationship had returned with solidity with the resumption of international meetings and in-person exchanges. Although the Xi Jinping and Yoon Suk Yeol leaderships advanced diplomatic exchange, concerns emerged over enduring political and security constraints and growing linkages with the economic relationship. Kim Jong Un’s escalation of military threats, through an unprecedented number of missile tests this year, challenged Xi-Yoon bilateral and multilateral diplomacy. China-North Korea bilateral interactions, while brisk, primarily relied on Xi and Kim’s exchange of congratulatory letters around significant founding anniversaries, China’s 20th Party Congress, and expressions of condolences after the death of former Chinese leader Jiang Zemin. The UN Security Council’s failure to take unified action on DPRK threats prompted South Korea to voice frustration with China and expand cooperation with US and Japanese partners. Such responses only reinforced concerns raised in recent leadership exchanges, and Korean domestic division over Yoon’s diplomatic strategies.
Topic:
Diplomacy, Nuclear Weapons, Bilateral Relations, and Multilateralism
Political Geography:
China, Asia, South Korea, and North Korea

10. US-Korea Relations: Everything Everywhere All At Once, Extremely Close and Incredibly Loud

Author:
Mason Richey and Rob York
Publication Date:
01-2023
Content Type:
Journal Article
Journal:
Comparative Connections
Institution:
Pacific Forum
Abstract:
Continuing a trend from the May-August reporting period, the final reporting period of 2022 in US-Korea relations was marked by an accelerated ratcheting up of tension. In short, numerous problems reared up on the Korean Peninsula from September-December, and good solutions have been few. And not only does this describe relations between the US and North Korea, but in their own, friendly way also the situation between Washington and Seoul, whose frequent invocations of rock-solid alliance cooperation belie unease about crucial areas of partnership. Two critical issues have been increasingly affecting the US-South Korea alliance in 2022, with the September-December period no exception. First, South Korea desires ever more alliance-partner defense and security reassurance from the US in the face of a growing North Korean nuclear threat and Chinese revisionism. Yet the US has downward-trending limits on credible reassurance as North Korea masters nuclear weapons technology that threatens US extended nuclear deterrence for South Korea. The US also faces less geopolitical pressure to effusively reassure its Indo-Pacific allies—including South Korea—as China grows to menace the regional order and the US consequently faces lower risk of ally hedging or realignment.
Topic:
Security, Nuclear Weapons, Bilateral Relations, Alliance, and Military
Political Geography:
Asia, South Korea, North Korea, and United States of America