You have to build it to know how to construct it. Just carve it out of metal. It's very big and long. You need to ask your son to help you because at least two people are needed to build a submarine. It not waterproof though.
They are mapped by sonar. The same technology they use to detect submarines from battleships / carriers.
1. Ballistic submarines 2. Attack submarines
Boats, Subs, Submarines, Home.
Submarines - poem - was created in 1917.
Dallas Submarines was created in 1920.
One of our Submarines was created in 1982.
Yes, North Korea has submarines
Argentina had diesel-electric submarines while the British had nuclear-powered submarines.
USA has the most nuclear submarines
submarines dont sail idiot
All submarines can sink. Some can return to the surface.
Submarines and Aircraft Carriers