The U-Boat which is short for Unterseeboot. They were particularly effective in enforcing the trading blockade by performing commerce raids on enemy shipments.
Sunk and scrapped (re-cycled).
The u boat
During World War I the Germans used many different types of naval weapons including a large fleet of battleships. The most effective naval weapon that the German army had was the merchant u-ship submarines.
Jutland is the only significant naval battle or World War I
The BATTLE OF JUTLAND was the largest naval battle in World War I.
President Wilson was prompted by the refusal of Germany to halt its naval attacks.
Sunk and scrapped (re-cycled).
Germany was not invited to the Washington naval Conference because it was a defeated central power in World War I. Germany, along with the Soviet Union and other defeated central powers were omitted from the conference of Allied nations. The conference discussed naval disarmament and the growing tension in East Asia and the Pacific.
The u boat
1. Germany=Submarines 2. Japan=Aircraft Carriers Germany pursued a naval war of "Guerre de Course" (Commerce raiding) Japan pursued a naval war of "Guerre de Escadre" (Fleet warfare)
M. J. Whitley has written: 'German coastal forces of World War Two' -- subject(s): Fast attack craft, German Naval operations, History, Naval operations, German, World War, 1939-1945 'Destroyers of World War Two' -- subject(s): Naval operations, Destroyers (Warships), Encyclopedias, World War, 1939-1945, History 'German cruisers of World War Two' -- subject(s): Cruisers (Warships), German Naval operations, Germany, Germany. Kriegsmarine, History, Naval operations, German, World War, 1939-1945 'German capital ships of World War Two' -- subject(s): Battleships, German Naval operations, History, Naval operations, German, World War, 1939-1945 'Cruisers of World War II'
Hans Jacob Goebeler has written: 'Steel boat, iron hearts' -- subject(s): Biography, German Naval operations, German Personal narratives, Germany, Germany. Kriegsmarine, Naval operations, Naval operations, German, Personal narratives, German, Sailors, Submarine, U-505 (Submarine), World War, 1939-1945 'Steel boats, iron hearts' -- subject(s): Submarine, Germany, U-505 (Submarine), World War, 1939-1945, Germany. Kriegsmarine, Sailors, German Personal narratives, Naval operations, Biography, German Naval operations
At the British naval base at Scapa Flow in Scotland.
Timothy Patrick Mulligan has written: 'The politics of illusion and empire' -- subject(s): World War, 1939-1945, History 'Lone wolf' -- subject(s): Biography, German Naval operations, Germany, Germany. Kriegsmarine, Naval operations, Naval operations, German, Submarine, Submarine boat captains, World War, 1939-1945
In the Washington Naval Conference of 1921, President Warren G. Harding got the world's major naval powers to agree to a naval limitations pledge that held fast for a decade. He also negotiated treaties with Germany and Austria.
It sounds as if you are looking for submarines.
naval blockade