{"id":71310,"date":"2025-10-29T23:54:57","date_gmt":"2025-10-29T23:54:57","guid":{"rendered":"https:\/\/one.sightlinemg.com\/defensenews\/uncategorized\/2025\/10\/29\/us-will-share-tech-to-let-south-korea-build-nuclear-submarine-trump\/"},"modified":"2026-08-20T16:16:50","modified_gmt":"2026-08-20T16:16:50","slug":"us-will-share-tech-to-let-south-korea-build-nuclear-submarine-trump","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/defensenews\/naval\/2025\/10\/29\/us-will-share-tech-to-let-south-korea-build-nuclear-submarine-trump\/","title":{"rendered":"US will share tech to let South Korea build nuclear submarine: Trump"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">GYEONGJU, South Korea \u2014 The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine, President Donald Trump said on social media Thursday after <a href=\"https:\/\/apnews.com\/article\/donald-trump-japan-south-korea-china-71658f169efc116ce01e888611955dac\" target=\"_blank\" rel=\"\" title=\"https:\/\/apnews.com\/article\/donald-trump-japan-south-korea-china-71658f169efc116ce01e888611955dac\">meeting with the country\u2019s president<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">President Lee Jae Myung stressed to Trump <a href=\"https:\/\/apnews.com\/article\/donald-trump-south-korea-apec-japan-1b90209dcda1aa72eea323fadc90b9b1\" target=\"_blank\" rel=\"\" title=\"https:\/\/apnews.com\/article\/donald-trump-south-korea-apec-japan-1b90209dcda1aa72eea323fadc90b9b1\">in their Wednesday meeting<\/a> that the goal was to modernize the alliance with the U.S., noting plans to increase military spending to reduce the financial burden on America.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The South Korean leader said there might have been a misunderstanding when they last spoke in August about nuclear-powered submarines, saying that his government was looking for nuclear fuel rather than weapons.<\/p>\n\n\n\t<aside class=\"smg-interstitial-link wp-block-smg-interstitial-link\">\n\t\t<a href=\"https:\/\/one.sightlinemg.com\/defensenews\/naval\/2025\/10\/21\/trump-backs-us-nuclear-submarine-deal-for-australia\/\" class=\"smg-interstitial-link__inner\">\n\t\t\t\t\t\t\t<div class=\"smg-interstitial-link__media\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/AP25293749997000.jpg.jpg?w=300\" class=\"smg-interstitial-link__image wp-post-image\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"smg-interstitial-link__content\">\n\t\t\t\t<span class=\"smg-interstitial-link__kicker\">Related<\/span>\n\t\t\t\t<h3 class=\"smg-interstitial-link__title\">Trump backs US nuclear submarine deal for Australia<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">Trump committed to providing nuclear submarines to Australia, ending speculation that the deal would be dropped.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/a>\n\t<\/aside>\n\t\n\n\n<p class=\"wp-block-paragraph\">Lee said that if South Korea was equipped with nuclear-powered submarines, that it could help U.S. activities in the region.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trump said in a separate post that the country would build its nuclear-powered submarine in the Philly Shipyard, which was bought last year by South Korea\u2019s Hanwha Group.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It was unclear what the size or cost of the sub project would be, but South Korea had said as part of talks with Trump that it had committed $150 billion to invest in <a href=\"https:\/\/www.defensenews.com\/industry\/2025\/09\/16\/south-korean-manufacturers-outline-plans-to-bolster-us-shipbuilding\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.defensenews.com\/industry\/2025\/09\/16\/south-korean-manufacturers-outline-plans-to-bolster-us-shipbuilding\/\">America\u2019s shipbuilding capacity<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U.S. nuclear submarine technology is widely regarded as some of the most sensitive and highly guarded technology the military possesses. The U.S. has been incredibly protective of that knowledge, and even a <a href=\"https:\/\/apnews.com\/article\/australia-britain-aukus-submarines-78a98be7434fbbccb3474fffd79b2d49\" target=\"_blank\" rel=\"\" title=\"https:\/\/apnews.com\/article\/australia-britain-aukus-submarines-78a98be7434fbbccb3474fffd79b2d49\">recently announced deal with close allies<\/a> the United Kingdom and Australia to help the latter acquire nuclear submarine technology doesn\u2019t feature the U.S. directly transferring its knowledge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trump\u2019s post on social media comes ahead of his meeting with Chinese President Xi Jinping, whose country <a href=\"https:\/\/www.defensenews.com\/global\/asia-pacific\/2025\/09\/22\/china-and-russia-conduct-joint-sub-patrols-should-america-worry\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.defensenews.com\/global\/asia-pacific\/2025\/09\/22\/china-and-russia-conduct-joint-sub-patrols-should-america-worry\/\">possesses nuclear submarines<\/a>, and after North Korea in March <a href=\"https:\/\/apnews.com\/article\/north-korea-nuclear-submarine-missiles-kim-us-183cde96a36844fdce559081551fc0a7\" target=\"_blank\" rel=\"\" title=\"https:\/\/apnews.com\/article\/north-korea-nuclear-submarine-missiles-kim-us-183cde96a36844fdce559081551fc0a7\">unveiled for the first time a nuclear-powered submarine<\/a> under construction. It is a weapons system that can pose a major security threat to South Korea and the U.S.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As Trump visited South Korea, North Korea said Wednesday that it <a href=\"https:\/\/apnews.com\/article\/north-korea-missiles-611a288d8f6cb02f5d43bb5db70204f8\" target=\"_blank\" rel=\"\" title=\"https:\/\/apnews.com\/article\/north-korea-missiles-611a288d8f6cb02f5d43bb5db70204f8\">conducted successful cruise missile tests<\/a>, the latest display of its growing military capabilities.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentagon officials didn\u2019t immediately respond to questions about Trump\u2019s announcement on sharing the nuclear sub technology with South Korea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><i>Boak reported from Tokyo. Associated Press writer Konstantin Toropin contributed to this report from Washington.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trump said the country would build its nuclear-powered submarine in the Philly Shipyard, which was bought last year by South Korea\u2019s Hanwha Group.<\/p>\n","protected":false},"author":7,"featured_media":120072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":16,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":{"2":{"categories":["pentagon-congress","news"],"primary_category":"pentagon-congress"},"7":{"categories":["pentagon-congress","news","daily-news-roundup","newsletters"],"primary_category":"pentagon-congress"}}},"categories":[45,160,11,16,36],"tags":[8590,8595],"coauthors":[3772,3775],"class_list":["post-71310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asia-pacific","category-daily-news-roundup","category-global","category-naval","category-newsletters","tag-asia","tag-south-korea"],"acf":{"subheadline":"","legacy_arc_id":"QPKKPLWMCBHOHAV4VLKRV43ME4","arc_canonical_url":"\/naval\/2025\/10\/29\/us-will-share-tech-to-let-south-korea-build-nuclear-submarine-trump\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented 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