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

May 26, 2026 2:19 AM EDT

FILE PHOTO: South Korean Defense Minister Ahn Gyu-back speaks during the joint press conference with U.S. Defense Secretary Pete Hegseth, following the 57th Security Consultative Meeting at the Defense Ministry in Seoul, South Korea, Tuesday, Nov. 4, 2025

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)



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