Discover the untold story of how German admirals examined a captured British radar set in February 1943 and realized why their U-boats were vanishing in the Battle of the Atlantic. When a Royal Air Force Stirling bomber crashed near Rotterdam carrying the revolutionary H2S radar system with its cavity magnetron, German scientists at Telefunken headquarters made a devastating discovery. This World War 2 documentary reveals how General Wolfgang Martini and his team uncovered Allied radar technolog