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-182 German submarine U-182 German submarine "U-182" was a Type IX D 2 U-boat of Nazi Germany's "Kriegsmarine" which served in World War II. Her keel was laid down on 7 April 1941 at DeSchiMAG AG Weser, Bremen as yard number 1022; she was launched on 3 March 1942 and commissioned on 30 June of the same year. She carried out a single war patrol, sinking five merchant vessels and spending 159 days at sea. "U-182" was probably sunk near Madeira on 16 May 1943 by . 61 crew members and three prisoners of war died. The boat had been unsuccessfully