Beyond Burden-Sharing: The Future of the U.S.-South Korea Alliance

Alliance modernization has moved fast. The publication of the U.S. National Security Strategy and National Defense Strategy, combined with the ongoing war in Iran, has transformed what was once an abstract policy concept into an urgent operational reality, generating significant challenges and real opportunities for Washington and Seoul.

Can the two sides structure that conversation before political momentum outpaces institutional preparation? Dr. In-yo Seol of Korea National Defense University argues they can, and that alliance modernization need not mean a contraction of the U.S. commitment to South Korean security. Rather, it can be understood as a redistribution of roles built on converging military interests—a foundation more durable than the transactional logic of burden-sharing alone.

Join KEI for a discussion with Dr. Seol on the strategic logic underlying alliance modernization and its implications for both countries. His analysis appears in the Spring/Summer 2026 issue of Korea Policy, KEI’s flagship journal.

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