The German Navy (Deutsche Marine or simply Marine—) is the navy of Germany and part of the unified Bundeswehr ("Federal Defense"), the German Armed Forces.
The Type UB I was a class of small coastal submarines (U-boats) built in Germany at the beginning of the First World War.
The Type UC I coastal submarines were a class of small minelaying U-boats built in Germany during the early part of World War I. They were the first operational minelaying submarines in the world (although the Russian submarine ''Krab'' was laid down earlier).
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.
SM U-9 was a German Type U 9 U-boat.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
The Type 205 was a class of German diesel-electric submarines.
The Type II U-boat was designed by Nazi Germany as a coastal U-boat, modeled after the CV-707 submarine, which was designed by the Dutch dummy company NV Ingenieurskantoor voor Scheepsbouw den Haag (I.v.S) (set up by Germany after World War I in order to maintain and develop German submarine technology and to circumvent the limitations set by the Treaty of Versailles) and built in 1933 by the Finnish Crichton-Vulcan shipyard in Turku, Finland.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.