North Korea frames nuclear sub work
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A vessel described by North Korea as its first nuclear-powered submarine is nearing completion while South Korea has plans to build its first nuclear
North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the test-firing of long-range surface-to-air missiles, state media reported on Thursday.
North Korea Releases Photos of Submarine Equipped with Nuclear Engine for Extended Underwater Travel
Kim Jong Un unveils a new 8,700-ton nuclear-powered submarine, escalating tensions in the Pacific. Learn how this stealth technology changes the global security balance.