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U.S. Backs South Korea’s Nuclear‑Sub Plan as Seoul Targets First Launch in the 2030s

The government plans a task force after progress on reactor fuel talks.

Overview

  • U.S. Defense Secretary Pete Hegseth reaffirmed President Trump’s approval and said the Pentagon will coordinate with the State and Energy departments.
  • South Korea’s Won Chong-dae said fuel supply talks have advanced, calling it the toughest hurdle and a prerequisite for moving the project forward.
  • Seoul projects a lead vessel launch in the mid-to-late 2030s if fuel is secured and construction starts in the late 2020s.
  • Officials say key technologies, including the reactor and weapons systems, are in hand, with safety verification and legal and regulatory frameworks under development.
  • Trump has pointed to Hanwha’s Philadelphia yard for construction, though reports note it lacks nuclear-sub infrastructure as Hanwha pursues multi‑billion‑dollar upgrades.