article_snippet: the ship: The vessel, once the fastest in the world, is seen in a photo taken from the ship sister ship RMS Lusitania before the First World War .
article_snippet: So on August 4 1914 when Britain declared war on Germany, Mauretania's ill-fated sister ship Lusitania was redirected from Mauretania's ill-fated sister ship Lusitania path to New York and docked at Halifax to be named an armed cruise liner.
article_snippet: She was docked at Liverpool with dwindling demand for transatlantic passages during the war until May 2015 when the Lusitania was sunk by Nazi torpedoes.
article_snippet: Later She was used to transport Canadian troops to France before being laid up on the Clyde until 1918.
article_snippet: She resumed commercial passages in 1919, sailing from Southampton to New York via Cherbourg and in 1922 broke its pre-war transatlantic record for the fastest crossing, She average speed above 26 knots.
article_snippet: In 1934 She made She final passenger voyage before being laid up in Glasgow following the merger of Cunard and White Star Lines.