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Korea Pushes Nuclear-Powered Submarine Program

July 29, 2026

2 min read

Key Takeaways

Korea issues draft bill for nuclear-powered submarine program.
Program aims to build at least three 8,000-ton attack submarines by mid-2030s.
Submarines will be fueled by high-assay low-enriched uranium.
Bill includes provisions to reaffirm nonproliferation obligations.

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Strategic Implications

This development may indicate Korea's growing military ambitions, which could have significant implications for regional security. The cooperation with the US suggests a strengthening of the alliance, which may impact the balance of power in the region. The provisions to reaffirm nonproliferation obligations may alleviate concerns over nuclear armament.

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What Happened

Seoul Seeks To Build Attack Subs With US Cooperation

The Korean defense ministry has issued a public notice of a draft bill on nuclear-powered submarines, as the country pushes to build key vessels in cooperation with the US. The proposed legislation is designed to provide the legal basis for the Jang Bogo N project, which aims to build at least three 8,000-ton conventionally-armed nuclear-propelled attack submarines by the mid-2030s. The bill includes provisions to reaffirm nonproliferation obligations and ensure public safety and environmental protection. The ministry plans to gather public feedback before submitting the bill to the National Assembly, as reported by The Korea Times.

Source | Originally Published: July 29, 2026

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