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 hospital ship Ophelia by German U-boat "UB-10" off the Boulogne light vessel. German hospital ship Ophelia The Ophelia was a steamship originally built by a German shipping company, but requisitioned for use as a hospital ship by the Imperial German Navy during the First World War. After being viewed acting suspiciously, the "Ophelia" was boarded on 17 October 1914 and seized by the Royal Navy for violating Hague Convention X of 1907 concerning hospital ships. After her seizure, she operated in British service as SS "Huntley" until sunk in December 1915. On 17 October 1914 a number of German torpedo boats were destroyed