RMS Mauretania (1906) and were requested by the British government to become armed merchant cruisers, but their huge size and massive fuel consumption made them unsuitable for the duty, and they resumed their civilian service on 11 August. Later, due to lack of passengers crossing the Atlantic, "Mauretania" was laid up in Liverpool until May 1915 at the time that "Lusitania" was sunk by a German U-boat. "Mauretania" was about to fill the void left by "Lusitania", but she was ordered by the British government to serve as a troop ship to carry British soldiers during the Gallipoli Campaign. She avoided becoming prey
German submarine U-306 German submarine U-306 German submarine "U-306" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II. The submarine was laid down on 16 September 1941 at the "Flender Werke" yard at Lübeck as yard number 306, launched on 29 August 1942 and commissioned on 21 October under the command of "Oberleutnant" Claus von Trotha. During her career, the U-boat sailed on five combat patrols, sinking one ship and damaging two others, before she was sunk in October 1943 in mid-Atlantic, northwest of the Azores by British warships. She was a member of three wolfpacks. German Type VIIC