The German Type XXI U-boat had a deep diving depth of 280 meters (919 feet).
A U-boat was a submarine used by Germany in World War 1 and World War 2.
United States Submarine Operations in World War II was created in 1949.
United States Submarine Operations in World War II has 577 pages.
The submarine.
It was a submarine in World War 1 or 2
World War 1
Yes.
It was a submarine in world war 1 or 2
they copied there butts
Underseaboat.
u boat
In 1620 Cornelius Drebbel designed a type of towed diving bell that was almost a submarine The first military submarine was the Turtle (1775), single man, hand-powered egg-shaped device. Submarines were used and operated in the War of 1812 and during the American Civil War (by both sides)