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North Korea Announces Nuclear-Powered Submarine Program Amid Tensions

Pyongyang's new military ambitions coincide with suspicions of Russian technological support in the ongoing Ukraine conflict.

By Choe Sang-HunSource: nytimes.com1 min read

In brief

In a bold declaration, North Korea has unveiled plans to construct its first nuclear-powered submarine, signaling a potentially significant shift in its military capabilities. This move raises alarms as U.S. and South Korean officials speculate that North Korea may be exploiting its involvement in the Ukraine war to obtain advanced military technology from Russia.

North Korea's state news agency reported on March 8, 2025, that leader Kim Jong-un personally oversaw developments at a naval shipyard, where images of an oversized submarine hull were showcased. The announcement marks a historic first for North Korea as it has primarily operated older, diesel-powered submarines that require frequent surfacing.Experts highlight that a nuclear submarine would allow North Korea to conduct extended operations undetected, providing a strategic advantage against distant adversaries, particularly the U.S. Kim stated that the nation’s maritime strength would be "fully displayed in any necessary waters without limitation," further hinting at an increase in naval assertiveness.The implications of this announcement are vast, as it intertwines with the ongoing geopolitical tensions stemming from the war in Ukraine, reflecting North Korea's changing alliances and military aspirations.

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