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

  2026-02-12 조회수 : 6,583 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 : 11,495 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 ...

• (Brief 2026-05) Key Elements of the 2026 U.S. National Defense Strategy and Policy Implications

  2026-02-09 조회수 : 6,332 Beomchul SHIN

  Key Elements of the 2026 U.S. National Defense Strategy and Policy Implications Beomchul SHINbcshin@sejong.orgPrincipal Research FellowS...

• (Brief 2026-04) Deployment of U.S. Strategic Assets on the Korean Peninsula in the Nuclear Era: Problems and Policy Alternatives 

  2026-02-04 조회수 : 6,368 Seong-Whun CHEON

  Deployment of U.S. Strategic Assets on the Korean Peninsula in the Nuclear Era : Problems and Policy Alternatives Seong-Whun CHEONdr.cheo...

• (Brief 2026-03) International Law Assessment and Policy Implications of the U.S. Operation to Apprehend President Maduro

  2026-02-03 조회수 : 5,368 Beomchul SHIN

  International Law Assessment and Policy Implications of the U.S. Operation to Apprehend President MaduroBeomchul SHINbcshin@sejong.orgPri...

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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 : 5,712 Sungwon LEE

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

• (Brief 2026-02) War Beyond the Military: Sweden's Total Defence and Its Implications for the Republic of Korea

  2026-01-30 조회수 : 5,051

  War Beyond the Military: Sweden's Total Defence and Its Implications for the Republic of Korea Jeong-kyu LEEjklee87@mofa.or.krVisiting ...

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

  2026-01-26 조회수 : 6,863 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...

• (Brief 2026-01) Assessment of North Korea's Tactical Nuclear and Maritime Nuclear Forces Command, Control, and Communications System (NC3)

  2026-01-22 조회수 : 7,246 Peter WARD

  Assessment of North Korea's Tactical Nuclear and Maritime Nuclear Forces Command, Control, and Communications System (NC3) Peter WARDpwa...

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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 : 13,371 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...