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 ...
North Korea unveils nuclear-powered submarine for the first time
SEOUL, South Korea — North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system ...