Nuclear submarines force issue of how far Seoul publicly aligns with US goals



Analysis Nuclear submarines force issue of how far Seoul publicly aligns with US goals US officials openly tie program to countering China, setting expectations that South Korea has sought to downplay John LeeNovember 21, 2025 SHARE COPY LINK FACEBOOK X LINKEDIN MASTODON Multinational navy ships and a submarine sail in formation off the coast of Hawaii as part of a RIMPAC exercise, Aug. 21, 2020 \| Image: U.S. Navy photo by Mass Communication Specialist 1st Class Rawad Madanat via U.S. Pacific Fleet via Flickr Acting U.S. Ambassador to South Korea Kevin Kim and Admiral Daryl Caudle publicly linked the ROK’s pursuit of nuclear-powered submarines to countering China this week, explicitly setting expectations for alignment with American goals in a way that could limit Seoul’s room to maneuver with Beijing. On the one hand, the U.S. officials’ remarks simply acknowledged what has been obvious since President Donald Trump gave his “approval” for South Korea to develop a nuclear-powered submarine. Such a prestige asset would clearly not be limited to countering coastal North Korean maritime threats, instead serving as the centerpiece of ROK naval © Korea Risk Group. All rights reserved. No part of this content may be reproduced, distributed, or used for commercial purposes without prior written permission from Korea Risk Group. LATEST ANALYSIS 01Lee Jae Myung’s ‘pacemaker’ strategy tests South Korea’s leverage with Trump 02Trump’s Korea investment victory lap masks safeguards Seoul still controls 03North Korean POW dispute tests Seoul-Kyiv trust and future Ukraine policy 04South Korea’s CPTPP push exposes the cost of turning trade gains into consensus 05AI storage boom gives South Korea battery makers an EV overcapacity lifeline 06South Korea’s Mexico strategy runs into the hard limits of USMCA politics 07Preschool test ban forces South Korea’s English hagwons to rethink placement 08Lee Jae Myung’s Wall Street pitch tests South Korea’s capital market credibility

Analysis

Nuclear submarines force issue of how far Seoul publicly aligns with US goals

US officials openly tie program to countering China, setting expectations that South Korea has sought to downplay

John LeeNovember 21, 2025

Nuclear submarines force issue of how far Seoul publicly aligns with US goals

Multinational navy ships and a submarine sail in formation off the coast of Hawaii as part of a RIMPAC exercise, Aug. 21, 2020 | Image: U.S. Navy photo by Mass Communication Specialist 1st Class Rawad Madanat via U.S. Pacific Fleet via Flickr

Acting U.S. Ambassador to South Korea Kevin Kim and Admiral Daryl Caudle publicly linked the ROK’s pursuit of nuclear-powered submarines to countering China this week, explicitly setting expectations for alignment with American goals in a way that could limit Seoul’s room to maneuver with Beijing.

On the one hand, the U.S. officials’ remarks simply acknowledged what has been obvious since President Donald Trump gave his “approval” for South Korea to develop a nuclear-powered submarine. Such a prestige asset would clearly not be limited to countering coastal North Korean maritime threats, instead serving as the centerpiece of ROK naval

Nuclear submarines force issue of how far Seoul publicly aligns with US goals

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John Lee