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  [Sejong Focus] A New Security Architecture for the Post-Extended Deterrence Era — A Proposal for the 'Middle Power 5 (MP5)' Security Consultative Mechanism among Korea, Japan, France, UK, & Germany

  2026-02-24 조회수 : 2,937 Seong-Chang CHEONG

  In this paper, 'MP5 (Middle Power 5)' refers to a proposed security consultative mechanism comprising five nations: Korea, Japan, Franc...

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  [Sejong Focus] China’s Export Controls on Dual-Use Items to Japan and Implications for South Korea

  2026-02-19 조회수 : 7,473 Byung Chul LEE

  In early 2026, the security and economic environment in East Asia is entering a phase of structural tension. Following remarks made by ...

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  [Sejong Focus] Post-New START: Toward a New Era of Nuclear Arms Competition?

  2026-02-12 조회수 : 3,628 Sang Hyun LEE

  The U.S.–Russia New Strategic Arms Reduction Treaty(New START) expired on February 5, 2026. This marks the end of the New START Treaty,...

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  [Sejong Focus] Strategy and Roadmap for ROK-France Cooperation on Nuclear-Powered Submarines: LEU-Based Naval Integration and a Mutually Beneficial Partnership Model

  2026-02-10 조회수 : 6,399 Seong-Chang CHEONG

  South Korea’s development of nuclear-powered submarines has a far longer history than is generally recognized. In 1994, when the first ...

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  [Sejong Focus] U.S.–Europe Relations Through the Lens of U.S. Strategic Documents and the Greenland Issue: A Fissure in the Alliance or a Realignment?

  2026-02-03 조회수 : 3,396 Sungwon LEE

  It has been one year since the second Trump administration took office. At the outset of the administration, the foremost foreign polic...

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  [Sejong Focus] Outcomes and Challenges of the Beijing ROK-China Summit: Economic Implications

  2026-01-26 조회수 : 3,386 Byung Chul LEE

  From January 4 to 7, 2026, President Lee Jae Myung paid a four day state visit to Beijing and Shanghai at the invitation of Chinese Pre...

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  [Sejong Focus] A “Big Deal” Strategy for Building a Comprehensive Strategic Partnership between the Republic of Korea and France

  2026-01-21 조회수 : 8,497 Seong-Chang CHEONG

  The year 2026 marks the 140th anniversary of diplomatic relations between South Korea and France June 4, 1886 marks the conclusion of t...

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  [Sejong Focus] The Historical Context and Evolution of AUKUS as a Potential Roadmap for South Korea’s Nuclear-Powered Submarine Program

  2026-01-16 조회수 : 3,092 Peter WARD

  AUKUS is a noteworthy—and highly unusual—framework of cooperation between the United States, the United Kingdom, and Australia. It enco...

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  [Sejong Focus] The U.S. National Security Strategy (NSS) and Possible Shifts in Japan's Security Posture

  2026-01-15 조회수 : 6,691 Kitae LEE

  The National Security Strategy (hereafter "NSS"), released by the second Trump administration under President Donald J. Trump on Decemb...

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  [Sejong Focus] Deterioration of China-Japan Relations and the "History War" (歷史戰)

  2026-01-13 조회수 : 8,801 Kitae LEE

  In early November 2025, Japanese Prime Minister Takaichi Sanae (高市早苗) explicitly articulated the worst-case scenario envisioned und...