U-20 was a German submarine of 450 tons displacement which commanded by Lieutenant Schweiger, on May the 7th 1915, during the Great War, sunk the Lusitania.
U-20 was a German coastal submarine of 250 tons displacement launched in 1936. She had a top speed of 13 knots surfaced, 7 knots submerged, could dive to 50 fathoms and carried a complement of 23. Armaments consisted of one 1 pdr anti-aircraft guns and three 21 inch torpedo tubes. Research U-20
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Abbreviations
Research U-20
