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South Korea aims to launch first nuclear-powered submarine by the mid-2030s

By Thomson Reuters May 26, 2026 | 1:19 AM

SEOUL, May 26 (Reuters) – South Korea will seek to launch its first nuclear-powered submarine by the ​mid-2030s, under a new ‌programme aimed at countering North Korea’s submarine-launched nuclear and missile threats, Defence Minister Ahn Gyu-back said on Tuesday.

The submarine ‌will ​use low-enriched uranium fuel ⁠and be developed ⁠and built in South Korea, Ahn said, laying out South Korea’s basic plan for securing nuclear-powered ​submarines.

Ahn said the programme would draw on South Korea’s nuclear, shipbuilding ⁠and defence industries, ⁠while maintaining Seoul’s commitment ​not to acquire or develop nuclear ​weapons.

South Korea will work closely with ‌the United States during the process of securing low-enriched uranium fuel to ensure non-proliferation and will also ⁠work with the International Atomic Energy Agency, Ahn said.

The plan aimed for the ⁠first ‌vessel to be launched in ⁠the mid-2030s, Ahn said.

Nuclear ​propulsion ‌would give the new ​submarines the ⁠ability to stay underwater far longer and ensure greater mobility than existing South Korean submarines, the government has said.

(Reporting by Joyce LeeEditing by ​Ed Davies)