RMS Mauretania (1906) launched by the Duchess of Roxburghe. At the time of her launch, she was the largest moving structure ever built, and slightly larger in gross tonnage than "Lusitania". The main visual differences between "Mauretania" and "Lusitania" were that "Mauretania" was five feet longer and had different vents. "Mauretania" also had two extra stages of turbine blades in her forward turbines, making her slightly faster than "Lusitania". "Mauretania" and "Lusitania" were the only ships with direct-drive steam turbines to hold the Blue Riband; in later ships, reduction-geared turbines were mainly used. "Mauretania"s usage of the steam turbine was the largest application
German submarine U-567 five destroyers, seven corvettes and one aircraft carrier, sinking the 3,324-ton Norwegian merchant ship "Annavore" on 21 December 1941. "U-567" was herself sunk later the same day at by depth charges dropped by and - there were no survivors from her crew of 47. "U-567" took part in five wolfpacks, namely. German submarine U-567 German submarine U-567 (U-567) was a type VII C submarine in Nazi Germany's "Kriegsmarine" during the Second World War. Her keel was laid down on 27 April 1940 at the Blohm & Voss yard in Hamburg as yard number 534. She was launched on 6 March