The British steamer Yarrowdale was captured by the German auxiliary cruiser Möwe on 11.12.1916 in the Atlantic. Send to Germany, the ship was modified as an auxiliary cruiser and renamed Leopard . Camouflaged as the Norwegian Rena , the ship left Germany in March 1917 but was stopped by the British cruiser Achilles on 16.03.1917 near the Faroers islands. Escorted to the armed boarding vessel Dundee , the British started an investigation of the ship when the Leopard fired two torpedoes on the Dundee which both missed. In the following close range battle, the Leopard was sunk with all hands.