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  [Sejong Policy Studies 2026-06] Readjusting the Transatlantic Alliance through "NATO 3.0" and Europe's Strategic Choices

  2026-10-08 조회수 : 164 Sungwon LEE

  The transatlantic alliance (NATO), which has anchored the postwar order for the past century, now faces challenges to its identity, struc...

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  [Sejong Policy Studies 2026-05] Operational Cases of Nuclear-Powered Submarines and Exploring a Korean Operational Model

  2026-10-08 조회수 : 227 Chansong C. LEE

  As the acquisition of nuclear-powered submarines becomes a serious policy agenda in Korea, the debate needs to go beyond technical, econo...

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  Has North Korea’s Nuclear Threshold Lowered?: Conventional-Nuclear Integration and Its Effects

  2026-09-30 조회수 : 257 Bee Yun JO

  North Korea has recently been implementing what might be termed a North Korean variant of Conventional-Nuclear Integration (CNI), combini...

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  [Sejong Policy Studies 2026-04] The U.S. Indo-Pacific Intermediate-Range Missile Deployment Strategy and the Korean Peninsula: The Frontline of "Denial Defense" and Korea's Choices

  2026-09-23 조회수 : 489 Bee Yun JO

  This study analyzes how U.S. plans for medium-range missiles in the Indo-Pacific have taken shape in recent years, focusing on the U.S. A...

• National Strategy Vol. 32 No. 3 (Fall)

  2026-08-28 조회수 : 826

  The Space-Based Integration of U.S. Missile Defense: An Explatory Study / Chansong Cameron Lee U.S. missile defense itself has evolved fr...

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  Korean Nuclear Security 5

  2026-08-11 조회수 : 664

  The nuclear threat no longer comes from the sky alone. It is now approaching silently, from beneath the sea. If North Korea deploys a str...

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  ROK-U.S. Relations at a Time of Global Transition

  2026-07-28 조회수 : 615

  "A New Configuration of Geopolitics and Global Hegemonic Politics, and a New Direction for ROK-U.S. Relations"​ The bloc-centered interna...

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  「Futures Brief」Tasks for Strengthening Korea's Whole-of-Nation Diplomatic Capacity and the Role of the National Assembly<Brief No. 26-5>

  2026-07-28 조회수 : 809 Sang Hyun LEE

  This brief argues that as global geopolitical risks expand and the boundaries between diplomacy, security, economics, and technology rap...

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  [Sejong Policy Studies 2026-03] North Korea’s Strategy in the Post-Hanoi Summit Era: Self-Strengthening, Controlled Isolationism, and Maximum Pressure

  2026-07-28 조회수 : 1,028 Sung-Yoon LEE

  This article argues that the collapse of the February 2019 Hanoi Summit marked a decisive turning point in North Korea’s external strateg...

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  [Sejong Policy Studies 2026-02] Post-Wassenaar Challenges and Implications: The Emergence of a New Export Control Regime and Trends in Major Powers' Export Control Reforms

  2026-07-28 조회수 : 892 Joonkoo YOO

  Since the end of the Cold War, and especially after the September 11, 2001 terrorist attacks, global security concerns have centered on t...