GUPPY aimed to modernize American submarines, starting with reverse engineering German Type XXI U-boats. -The program, which ran from 1947 to 1963, included multiple iterations, such as GUPPY I ...

Researchers from the “Eslabón Perdido” (Missing Link) team have come across a German Reichsmarine submarine off the coast of Necochea in the Argentine province of Buenos Aires near Arenas ...

German forces in Denmark had surrendered ... Type XXI U-boats and used them to developed their own submarine technology. The Type XXI design inspired the Soviet Union Whiskey-class and the U.S ...

1, which came armed with four 5.2-inch guns and six 21-inch torpedo tubes ... and equal to that of most anti-submarine escorts. A German band welcomes a Type VIIC U-boat, the mainstay of the ...

U-boats were the submarine arm of the German navy and a month ... the submarine fleet was the Type VIIC and over 700 were built. The later ships (Types IX and XXI) possessed a greater range ...