A uboat
They were called U-Boats
Some were German
Some were confiscated from the Germans and became U.S. submarines
The first one was called the Unterseeboot.
They were large, had a range of 2,000 miles, surface speed of 11 knots, submerged speed fo 9 knots.
etc.
The submarine.
World War 1
It was a submarine in World War 1 or 2
Yes.
A U-boat was a submarine used by Germany in World War 1 and World War 2.
they copied there butts
It was a submarine in world war 1 or 2
Underseaboat.
5 mph
by Gerrnan submarine
U-boats
it is about 110 meters long