Overview
- Seoul and Washington said this week that their inaugural Joint Fact Sheet implementation meeting, held June 2–3, treated nuclear-powered but conventionally armed submarines as an important capability for defending the Korean Peninsula.
- South Korea presented development blueprints and officials said the talks proceeded on the premise that the submarines would be designed and built in South Korea with no U.S. objection reported during the meeting.
- Both sides agreed to begin full-scale negotiations on expanding South Korea’s rights for low-enriched uranium fuel and spent-fuel reprocessing and to explore adjustments to the U.S.-ROK 123 civil nuclear cooperation agreement.
- Seoul moved to speed domestic steps after the talks, with the defense ministry saying it will fast-track a special bill and seek an institutional and nuclear safety framework by next year to support naval-reactor development.
- Major technical, legal and nonproliferation hurdles remain, including IAEA safeguards for naval fuel, naval-reactor engineering and a program timeline that earlier planning put toward a first vessel in the mid-2030s; the public mismatch over U.S. shipyard comments highlights remaining diplomatic details to resolve.