Sinking of the RMS Lusitania significant "false flag" controversy left the ship; Cunard later explained that he was "tired and really ill." He was replaced with a new commander, Captain William Thomas Turner, who had previously commanded "Lusitania", "Mauretania", and "Aquitania" in the years before the war. On 17 April 1915, "Lusitania" left Liverpool on her 201st transatlantic voyage, arriving in New York on 24 April. A group of German–Americans, hoping to avoid controversy if "Lusitania" were attacked by a U-boat, discussed their concerns with a representative of the German Embassy. The embassy decided to warn passengers before her next crossing not to sail aboard
German submarine U-764 the war. In eight patrols she sank one merchant ship, for a total of , and 2 warships sunk (1,696 tons). "U-764" took part in eight wolfpacks, namely "U-764" surrendered on 14 May 1945 at Loch Eriboll, Scotland. She was sunk as a target in position as part of Operation Deadlight on 2 February 1946. German submarine U-764 German submarine "U-764" 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 1941 by Kriegsmarinewerft Wilhelmshaven as yard number 147, launched on 13 March 1943 and commissioned on