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-586 the Mediterranean. In 13 patrols she sank two merchant ships for a total of , plus one merchant ship damaged. She took part in ten wolfpacks, namely, She was sunk whilst alongside at Missiessy East Quay, Toulon, France, by a USAAF air raid by B-24 Liberator bombers of 15th Air Force. German submarine U-586 German submarine "U-586" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II. She was laid down on 1 October 1940 by Blohm & Voss in Hamburg as yard number 562, launched on 10 July 1941 and commissioned on 4