Sparked by the effectiveness of German U-boats, GUPPY aimed to modernize American submarines, starting with reverse engineering German Type XXI U-boats. -The program, which ran from 1947 to 1963 ...

It is the only floating example of a Type XXI U-boat. AlMare via Wikimedia Commons ... From as early as the end of 1939, the ...

or U-boats, sunk, scuttled, captured, or otherwise lost to German forces during World War II. Here, naval historian Timothy Mulligan describes 25 of the most historically significant U-boats.

1, which came armed with four 5.2-inch guns and six 21-inch torpedo ... about the size of the German U-cruisers; the RO coastal boats, roughly the size of the German Type VII (see 1935) but ...

The wreck of a German submarine that sank during World War One has been found in the North Sea and officials believe 23 bodies may be inside it. The type UB-II submarine is said to be in good ...

German forces in Denmark had surrendered the ... After the war, the allies took the remaining Type XXI U-boats and used them to developed their own submarine technology. The Type XXI design ...

On May 10th, 1945, all the German U-boats were told to surrender. The U249, which was the first German U-boat to arrive in UK waters, came into Weymouth Bay and surrendered. The commanding officer ...