Submarines have been used in most wars involving naval combat since WWI
This is an old and a common term. The torpedo has been used since the first submarine's were used in war time.
submarine
Diesel-Electric submarines had been in use for years before WWI; there were many commissioned boats on both sides of the war before it even started, so there is no one particular submarine used in WWI. However, the one boat that arguably had the most impact at the beginning of WWI was the German submarine U-20, which was responsible for sinking the British passenger liner RMS Lusitania. This single submarine attack had repercussions throughout the war, causing policy shifts in Germany considering submarine warfare, and which affected submarine warfare in general forever.
President Carter had been a submarine officer, nuclear qualified, but never actually was the commanding officer on a submarine.
A U-boat was a submarine used by Germany in World War 1 and World War 2.
Usually by inflating bags that have been placed inside the submarine.
There has never been any 'dhow submarine'
scorpion submarine
The "Turtle" in the Revolutionary War.
The US revolutionary war
The submarine.
United States Submarine Operations in World War II was created in 1949.