All submarines can sink. Some can return to the surface.
Humans have problems diving to extreme depth. SCUBA by definition is self contained and cannot get close to the life support potential of submarines. Specialist submarines like the bathyscaphe can reach the deepest parts of our oceans.
1. Ballistic submarines 2. Attack submarines
Submarines - poem - was created in 1917.
One of our Submarines was created in 1982.
Dallas Submarines was created in 1920.
Boats, Subs, Submarines, Home.
Yes, North Korea has submarines
Argentina had diesel-electric submarines while the British had nuclear-powered submarines.
submarines dont sail idiot
USA has the most nuclear submarines
Submarines and Aircraft Carriers
at present 16 of the submarines are in duty. 20 submarines are planned to submurge into sea in the forthcoming years.