As for the term submarine most commonly refers to the autonomous unmanned ship is great, but historical or everyday language, this submarine can control the medium or smaller ships, submarines word originally an adjective meaning - under the sea, with the result other uses such as engineering-or submarine-submarine-cable-maybe not really the same as all the boats.
when said vessel is used informally and formally, like in submarines as well as call the h-boat-than-designation as a ship ", regardless of their size. The term England U-boats to German submarines from the German word for submarine, U -Boot, itself an abbreviation for Unterseeboot the boat underwater
submarine design has occurred during the 19th century and those being developed by the navy y, you must know that the submarine was first used extensively during World War I in 1914-1918 and now features the ship is very much in force sea.
