Nuclear Power wasn't introduced to submarines until the 1951 design of the USS Nautilus (SSN-571) several years after the end of WWII. All boats int WWII were of Diesel-Electric configuration.
Virginia class submarine
The USS Nautilus (SSN-571) was the world's first operational nuclear submarine.
The USS Nautilus (SSN-571) was the world's first operational nuclear-powered submarine.
The USS Nautilus, I think :)
USS Nautilus
The submarine you are thinking about was the USS Nautilus. It was the world's first nuclear powered submarine and commissioned into the US Navy in 1955
The nuclear powered submarine was not developed until well after the war had ended. The USS Nautilus, which was launched on 21 January 1954, was the first operational nuclear submarine.
WWII boat shaped bows; nuclear subs have cigar shaped hulls.
Nuclear fission
The world, with some restrictions. Canada has sold technology to countries that have used it to our disadvantage, the best examples are nuclear power which has been used to make nuclear weapons.
A stamp
The USS Nautilus (SSN-571) was the US Navy's first nuclear powered submarine.