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-952 of , plus one warship sunk and a further merchant ship damaged. "U-952" took part in five wolfpacks, namely "U-952" was sunk on 6 August 1944 in the Military port of Toulon, France, in position , during an air raid by US Liberator bombers. German submarine U-952 German submarine "U-952" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II. She was laid down on 1 February 1942 by Blohm & Voss, Hamburg as yard number 152, launched on 14 October 1942 and commissioned on 10 December 1942 under "Oberleutnant zur See" Oskar Curio.