I visited the USS Nautilus, the world's first nuclear-powered submarine. Take a look inside.
The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...
North Korea unveils what it says is a nuclear-powered submarine
North Korea has unveiled for the first time what it says is a nuclear-powered submarine under construction, a weapons system ...
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North Korea unveils nuclear-powered submarine for the first time
North Korea has unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. On Saturday ...