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  [Sejong Focus] Analysis of the Impact of the War in Ukraine on Europe’s Security Landscape

  2025-11-04 조회수 : 7,933 Jeong-kyu LEE

  Russia’s full-scale invasion of Ukraine on 24 February 2022 marked the most serious crisis facing Europe’s security order since the end...

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  [Sejong Focus] The ROK–U.S. Alliance in a Regional Context: Challenges for Lee Jae-myung’s Pragmatic Foreign Policy

  2025-10-31 조회수 : 7,864 Sang Hyun LEE

  The ROK–U.S. alliance stands at a pivotal moment. The United States is no longer the same America that upheld a liberal, ...

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  [Sejong Focus] Implications of U.S. Forces Korea’s Strategic Flexibility for Security on the Korean Peninsula

  2025-10-31 조회수 : 9,097 Jeong-kyu LEE

  As the second Trump administration took office earlier this year, it startled allies and partners by unleashing sweeping tariff measure...

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  [Sejong Focus] The Takaichi Administration and the  Future Direction of ROK-Japan Relations

  2025-10-24 조회수 : 13,367 Chang Soo JIN

  For the first time in Japan’s constitutional history, Sanae Takaichi, President of the Liberal Democratic Party(LDP), was appointed as...

• (Brief 2025-27) Building Security Network Under Japan’s "Quasi-Alliance Strategy"

  2025-10-20 조회수 : 11,759 Kitae LEE

  Building Security Network Under Japan's "Quasi-Alliance Strategy"Kitae LEEktleekorea@sejong.orgSenior Research FellowSejong Institute ​ J...

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  [Sejong Focus] Designing a Commercial–Defense Integrated Space Architecture for the Realization of the Golden Dome: Strategic Implications of Integrating Commercial and Military Satellites

  2025-10-20 조회수 : 12,245 Kwang Sup JOO

  On January 27, 2025, President Trump officially launched the next-generation missile defense initiative, the “Golden Dome,” through Exe...

• (Brief 2025-26) Assessment of Changes in North Korea-China-Russia Relations After the 2025 China Victory Day Parade

  2025-10-16 조회수 : 7,466 Sung-Yoon LEE

  Assessment of Changes in North Korea-China-Russia Relations After the 2025 China Victory Day ParadeSung-Yoon LEEsylee@sejong.orgPrincipal...

• (Brief 2025-25) Assessing Multilateral Cooperation Models for South Korea’s Energy Security amid Nuclear Fuel Price Volatility: The Case of Urenco

  2025-10-10 조회수 : 10,070 Peter WARD

  Assessing Multilateral Cooperation Models for South Korea’s Energy Security amid Nuclear Fuel Price Volatility: The Case of UrencoPeter W...

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  [Sejong Focus] Australia’s Strategic Recalibration and Why Korea Matters: Henderson and Beyond

  2025-09-29 조회수 : 7,734 Yoon-Jung CHOI

  Across the international system, states are reassessing their strategic postures amid growing geopolitical uncertainty and accelerating...

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  [Sejong Focus] Modernizing the ROK–U.S. Alliance and Washington’s Strategic Perspective

  2025-09-25 조회수 : 14,947 Jungsup KIM

  The modernization of the ROK–U.S. alliance stands as one of the most critical challenges in the Lee Jae-myung administration’s relation...