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Military Aviation History on MSN2h
The German U-Boat Autogiro
During the Second World War the Germans experimented with an interesting rotary wing design known as a 'rotor kite'. These ...
Dark Seas on MSN4h
The U-Boat That Wasn’t Supposed to Exist
In the early 1990s, American divers uncovered a mystery off the coast of New Jersey: an unmarked German submarine resting ...