Michael Gannon
Michael Gannon has written at least 2 books. Their most popular book is Operation Drumbeat: Germany's U-Boat Attacks Along the American Coast in World War II with 2 saves with an average rating of -⭐.
Michael Gannon has written at least 2 books. Their most popular book is Operation Drumbeat: Germany's U-Boat Attacks Along the American Coast in World War II with 2 saves with an average rating of -⭐.
 Operation Drumbeat Operation Drumbeat: Germany's U-Boat Attacks Along the American Coast in World War II
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Black May Black May: The Epic Story of the Allies' Defeat of the German U-Boats in May 1943
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