South Korea’s Three-Axis Defence System: Impact on Regional Security
Keywords:
Three-Axis Defence System, 3K, Regional Security, South Korea, North Korea, Arms Race, Nuclear EscalationAbstract
South Korea’s Three-Axis (3K) Defence System is a conventional framework designed to resist North Korea’s nuclear threat but risks destabilising the Korean Peninsula. This paper examines the system’s evolution, its impact on North Korean security, and the potential for a regional arms race. Using a mixed-methods approach, it assesses South Korean military acquisitions, arms buildup trends, and their implications for regional security. The study concludes with policy recommendations, emphasising diplomatic engagement and arms control to ensure peace in the region.
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Copyright (c) 2025 Centre for Aerospace & Security Studies (CASS) Islamabad

This work is licensed under a Creative Commons Attribution 4.0 International License.
© 2025 Centre for Aerospace & Security Studies (CASS) Islamabad. This work is published by the Journal of Aerospace & Security Studies (JASS) and licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). This license allows unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are properly credited.