Now modern day submarines are more improved and better built with better technology that we have these days.
German submarines were referred to as U-boats during the world wars.
U-boats=Submarines
Germany called there submarines U boats
Germany made the first submarines in WW1. They were called U-Boats, short for "unterseeboat" Most modern submarines are descended from The Holland, christened in 1897, invented by John Holland.
Underseaboats.U-boats
German submarines were referred to as U-boats during the world wars.
Germany used U boats.
Underseaboats.U-boats
'U-boats' was the name given to German submarines in both the first and second world war.
The submarines were either called "submarines" or "U-boats." The German submarine was called the "U-boat"
U-boats. (German submarines)
the U boats..