Japan, South Korea, and the United States Nuclear Umbrella

Deterrence After the Cold War

Terence Roehrig

Columbia University Press

Japan, South Korea, and the United States Nuclear Umbrella

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Pub Date: September 2017

ISBN: 9780231157995

272 Pages

Format: Paperback

List Price: $30.00£24.95

Pub Date: September 2017

ISBN: 9780231157988

272 Pages

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List Price: $90.00£74.95

Pub Date: September 2017

ISBN: 9780231527835

272 Pages

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Japan, South Korea, and the United States Nuclear Umbrella

Deterrence After the Cold War

Terence Roehrig

Columbia University Press

For close to sixty years, the United States has maintained alliances with Japan and South Korea that have included a nuclear umbrella, guaranteeing their security as part of a strategy of extended deterrence. Yet questions about the credibility of deterrence commitments have always been an issue, especially when nuclear weapons are concerned. Would the United States truly be willing to use these weapons to defend an ally?

In this book, Terence Roehrig provides a detailed and comprehensive look at the nuclear umbrella in northeast Asia in the broader context of deterrence theory and U.S. strategy. He examines the role of the nuclear umbrella in Japanese and South Korean defense planning and security calculations, including the likelihood that either will develop its own nuclear weapons. Roehrig argues that the nuclear umbrella is most important as a political signal demonstrating commitment to the defense of allies and as a tool to prevent further nuclear proliferation in the region. While the role of the nuclear umbrella is often discussed in military terms, this book provides an important glimpse into the political dimensions of the nuclear security guarantee. As the security environment in East Asia changes with the growth of North Korea's capabilities and China's military modernization, as well as Donald Trump's early pronouncements that cast doubt on traditional commitments to allies, the credibility and resolve of U.S. alliances will take on renewed importance for the region and the world.
Terence Roehrig offers an excellent evaluation of extended-deterrence strategies, bringing together theory and policy in their historical context in a readable fashion. T. V. Paul, James McGill Professor of International Relations, McGill University
This work's core strength is its comprehensive treatment of the U.S. nuclear umbrella within the American alliance system with Japan and South Korea. It is the best single source I am aware of outlining the nuclear dimension of these alliances and the limited but real role the nuclear umbrella plays. Given the rising tensions in the region, Roehrig's book is a timely addition to current debates on U.S. policy. Paul Avey, Virginia Tech
Acknowledgments
Introduction
1. Extended Deterrence and the Nuclear Umbrella
2. The Nuclear Umbrella and Extended Deterrence During the Cold War
3. The Threats That Drive the Nuclear Umbrella: China and North Korea
4. Japan and the U.S. Nuclear Umbrella
5. South Korea and the U.S. Nuclear Umbrella
6. The U.S. Nuclear Umbrella: Planning, Capabilities, and Credibility
7. Implications for Security and Extended Deterrence in Northeast Asia
Notes
Selected Bibliography
Index

About the Author

Terence Roehrig is professor of national security affairs and director of the Asia-Pacific Studies Group at the U.S. Naval War College. His books include The Prosecution of Former Military Leaders in Newly Democratic Nations: The Cases of Argentina, Greece, and South Korea (2001); From Deterrence to Engagement: The U.S. Defense Commitment to South Korea (2007); and, with Uk Heo, South Korea Since 1980 (2010) and South Korea's Rise: Economic Development, Power, and Foreign Relations (2014).