By torpedoing their enemy ships: it was all they could do and were designed to do; but anti-submarine warfare was in its infancy and submarines were very hard to detect once submerged. They are even stealthier now.
flamethrower, tank, machine gun, submarine, airplane, and 3" mortar.
it used the first submarine in battle
unrestricted submarine warfare
The same nations that used them in WWII used them or had them in WWI. Which is a long list!
submarine
flamethrower, tank, machine gun, submarine, airplane, and 3" mortar.
The "Turtle" in the Revolutionary War.
The US revolutionary war
Un-restricted submarine warfare
Principally the Imperial German Navy and the Royal Navy - both enormous forces at the time. Submarines and anti-submarine warfare were still in their infancy in WW1, but it was a German submarine that torpedoed the liner Lusitania off the coast of Ireland.
A U-boat was a submarine used by Germany in World War 1 and World War 2.
the Turtle in the Civil War.
This is an old and a common term. The torpedo has been used since the first submarine's were used in war time.
X class submarine was used by the Royal Navy. X-Great was the name of bomber navigation equipment used by Germany.
They are great for war and usful for research anf tourism.
The Royal Navy used the X class submarine. X-Great was bomber navigation equipment used by Germany.
X class submarine was used by the Royal Navy. X-Great was the name of bomber navigation equipment used by Germany.