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GUPPY: The U.S. Navy Submarine Program That History Almost ForgotSparked 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 ...
The submarine was one of Nazi Germany’s Type XXI U-boats, which could stay underwater for longer and travel further than their predecessors. Only two of 118 planned Type XXIs entered service ...
In many areas of Europe, it's hard to escape the visual reminders of World War II's devastating impact. Numerous buildings, ...
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