The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.

A U-Boat Class II submarine (this one depicted, UB-35, was the same class as UB-29) prowls the open seas. Science History Images / Alamy Stock Photo You get an idea before you even walk in his doo ...

Submarines were key for Allied and Axis forces throughout World War II. At the war's onset, Germany's fleet of U-boat submarines created a distinct advantage for the Nazi's Kriegsmarine.According ...

Thursday's tragic submarine sinking in the Red Sea has so ... bad modifications and extensions on the boats that left them in an unstable state. On top of this, essential lifesaving and ...