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U-boat losses were also manageable; German shipyards were producing 20 U-boats per month, while losses for most months prior to Black May were less than half that. What changed in May was that the UBW started to lose; the loss of 43 U-boats (25 per cent of the UBW operational strength) was a big defeat and losses outstripping production became ...
Post-war U.S. diagram of a Bold canister Bold (also called Bolde , a term derived from kobold ) was a German sonar decoy , used by U-boats during the Second World War from 1942 onwards. It consisted of a metal canister about 10 cm (3.9 in) in diameter filled with calcium hydride .
The Torpedo Alley, or Torpedo Junction, off North Carolina, is one of the graveyards of the Atlantic Ocean, named for the high number of attacks on Allied shipping by German U-boats in World War II. Almost 400 ships were sunk, mostly during the Second Happy Time in 1942, and over 5,000 people were killed, many of whom were civilians and ...
The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the seas around the British Isles and in the Mediterranean, as part of a mutual blockade between the German Empire and the United Kingdom.
German submarine U-47 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II. [1] She was laid down on 25 February 1937 at Friedrich Krupp Germaniawerft in Kiel as yard number 582 and went into service on 17 December 1938 under the command of Günther Prien.
The President of the German Reich Karl Dönitz directed all U-boats to cease attacks on 4 May, ahead of Germany's surrender. While most commanding officers obeyed this order, some either did not receive it or chose to ignore it. [4] On 5 May, U-853 was lying in wait off Point Judith when she sighted the SS Black Point.
German submarine U-507 was a Type IXC U-boat of Nazi Germany's Kriegsmarine built for service in the Second World War and the Battle of the Atlantic.She was mainly notable for two patrols she conducted during the "Second Happy Time" in mid-1942, during the first of which she caused havoc in the Gulf of Mexico amongst unprotected American shipping, and then in the second she attacked ships ...
A number of U-boats disposed of were not in commission; some had not yet been commissioned, some had been decommissioned. The discrepancies are mainly accounted for depending on whether these are included or not. Most sources [7] give a number of U–boats scuttled at the end of the war, and describe the Regenbogen order