German U-Boats are submarines. In World War 2, the Germans used these submarines to attack in groups of three or more. The Germans called these groups of submarines "wolfpacks". The Americans, British & Canadians also used the name "wolfpack" to refer to a group of German U-Boats.
Yes, German submarines were very effective in both world wars. The Germans built excellent submarines and still do.
The "wolf pack" was a strategic grouping of German submarines (U-boats) during World War II, whereby more than one German sub might attack the same Allied convoy crossing the Atlantic.
World War I submarines were primarily used to locate and attack surface cargo and warships.
Atlantic Ocean.
Wolfpack
No, Before the German attack on Russia it was not in WW2.
German submarines were referred to as U-boats during the world wars.
The submarines were either called "submarines" or "U-boats." The German submarine was called the "U-boat"
Underseaboats.U-boats
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The name U-boat was applied to German submarines.