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  [Sejong Focus] The Necessity and Strategic Implications of South Korea’s Nuclear-Powered Submarine Program: Undersea Kill Chain, Northeast Asia’s Undersea Arms Competition, and K-Defense

  2025-12-04 조회수 : 1,404 Seong-Chang CHEONG

  The formal agreement between President Lee Jae-myung and President Donald Trump at the Gyeongju summit on October 29, 2025 on the const...

• (Brief 2025-32) A Review of the Fourth Plenum of the 20th Central Committee of the Chinese Communist Party: Focusing on the 15th Five-Year Plan and China Standards 2035

  2025-12-02 조회수 : 2,677 Jae-hung CHUNG

  A Review of the Fourth Plenum of the 20th Central Committee of the Chinese Communist Party: Focusing on the 15th Five-Year Plan and China...

• (Brief 2025-31) Discussions on North Korea Nuclear Talks in 2025 and Policy Implications

  2025-12-02 조회수 : 3,561 Jang Won Jo

  Discussions on North Korea Nuclear Talks in 2025 an...

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  [Sejong Focus] ROK-U.S. Agreement on Nuclear-Powered Submarine Construction: Key Issues and Challenges — Construction Location and the Question of Uranium Enrichment and Reprocessing

  2025-11-28 조회수 : 1,596 Seong-Chang CHEONG

  The agreement reached at the ROK-U.S. summit in Gyeongju on October 29 on the construction of nuclear-powered submarines represents a h...

• (Brief 2025-30) North Korea’s Domestic and External Policy Outlook and Assessment in the Second Half of 2025

  2025-11-19 조회수 : 2,771 Eunju CHOI

  North Korea’s Domestic and External Policy Outlook and Assessment in the S...

• (Brief 2025-29) Recommendations for the Lee Jae-myung Administration’s National Security Strategy

  2025-11-17 조회수 : 1,826 Beomchul SHIN

  Recommendations for the Lee Jae-myung Administration’s National Security StrategyBeomchul SHINbcshin@sejong.orgPrincipal Research FellowS...

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  [Sejong Focus] South Korea’s Nuclear-Powered Submarines: A New Strategic Option and Policy Under Challenge

  2025-11-17 조회수 : 3,807 Peter WARD

  With the inauguration of President Donald Trump’s second term on January 20, 2025, U.S.-India relations - widely expected to remain sta...

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  [Sejong Focus] Gyeongju APEC Summit and Tasks for South Korea

  2025-11-17 조회수 : 2,476 Sang Hyun LEE

  From October 31 to November 1, the 2025 Asia-Pacific Economic Cooperation(APEC) Summit was held in Gyeongju, Gyeongsangbuk-do. It marke...

• (Brief 2025-28) Applications of Digital Twin Technology and Security Implications

  2025-11-14 조회수 : 1,718 Joonkoo YOO

  Applications of Digital Twin Technology and Security Implic...

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  [Sejong Focus] Outcomes of the 57th ROK–U.S. Security Consultative Meeting (SCM) and Policy Implications

  2025-11-13 조회수 : 5,536 Beomchul SHIN

  On November 4, the ROK–U.S. annual Security Consultative Meeting (SCM) was convened. It is held every year between the defense minister...