 "Mount Temple" continued trading on her route all the way until Great Britain entered the World War I on 2 August 1914.She arrived at London on 5 August with her usual cargo from Montreal, but on 12 August it was announced that the steamer was requisitioned together with many other large commercial vessels by the Admiralty to serve as a food and troop transport.In her transport capacity she sailed between England and France carrying troops and provision.