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 ...
The New York Times12 天
North Korea Says It’s Building a Nuclear-Powered Submarine
By Choe Sang-Hun Reporting from Seoul North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media ...