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Trump says South Korea has approval to build nuclear-powered submarine

Published by Global Banking & Finance Review

Posted on October 29, 2025

1 min read

· Last updated: January 21, 2026

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Trump says South Korea has approval to build nuclear-powered submarine
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(Reuters) -President Donald Trump wrote on social media on Thursday that he has given South Korea approval to build a nuclear-powered submarine and that it will take place in the United States, in

Trump Grants South Korea Permission for Nuclear Submarine Development

(Reuters) -President Donald Trump wrote on social media on Thursday that he has given South Korea approval to build a nuclear-powered submarine and that it will take place in the United States, in comments made during his trip to Asia.

Trump, who has been meeting with South Korean President Lee Jae Myung and other regional leaders during his visit, also said Seoul had agreed to buy vast quantities of U.S. oil and gas.

Trump and Lee finalized details of a fraught trade deal at a summit in South Korea on Wednesday.

Lee had also been seeking U.S. permission for South Korea to reprocess nuclear fuel to power submarines that could track North Korean and Chinese vessels for longer periods.

Seoul is barred from reprocessing without U.S. consent, under a pact between the countries.

"I have given them approval to build a Nuclear Powered Submarine, rather than the old fashioned, and far less nimble, diesel powered Submarines that they have now," Trump wrote on his Truth Social platform on Thursday.

Trump said the submarine will be built in Philadelphia.

(Reporting by Costas Pitas; Editing by Leslie Adler)

Key Takeaways

  • Trump approves South Korea's nuclear submarine development.
  • The submarine will be built in the United States.
  • South Korea to purchase US oil and gas.
  • A trade deal was finalized between Trump and Lee.
  • South Korea seeks to reprocess nuclear fuel with US consent.

Frequently Asked Questions

What is a nuclear-powered submarine?
A nuclear-powered submarine is a type of submarine that uses nuclear reactors to generate power, allowing it to operate underwater for extended periods without surfacing.
What is oil and gas?
Oil and gas are fossil fuels used primarily for energy production. Oil is a liquid hydrocarbon, while gas is primarily composed of methane. Both are critical to global energy markets.

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