South Korea to build nuclear-powered subs in U.S., Trump says

The Japan TimesCenterEN 1 min read 100% complete by Gabriel DominguezOctober 30, 2025 at 05:12 AM

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U.S. President Donald Trump announced on Thursday that South Korea will build nuclear-powered submarines at Philadelphia Shipyards in the United States. The move involves sharing sensitive U.S. nuclear technology with Seoul to construct these advanced vessels as part of an agreement finalized late last year when Hanwha Group acquired Philly Shipyard. Currently, South Korea operates diesel-electric submarines, but Trump stated that they will now be permitted to build more sophisticated and agile nuclear-powered subs instead. This development could influence Japan's defense policies regarding its own submarine fleet.

Key Topics & Entities

Hanwha Group 50% Philadelphia Shipyards 60% US ×270% South Korea ×380% Donald Trump ×290%

Keywords

nuclear-powered submarines 100% south korea 90% u.s. 85% nuclear technology sharing 85% philadelphia shipyards 75% defense policies 65% hanwha group 65% trump announcement 60% diesel powered submarines 60% japan defense 50%

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Positive

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The Japan Times

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Center (0.00)

Far LeftCenterFar Right

Classification Confidence

85%

Geographic Perspective

South Korea

This article was automatically classified using rule-based analysis. The political bias score ranges from -1 (far left) to +1 (far right).

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nuclear-powered submarines south korea u.s.nuclear technology sharing philadelphia shipyards defense policies hanwha group trump announcement diesel powered submarines japan defense

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