09/1914 Reqisitioned as an armed merchant cruiser with the 10th Cruiser Squardon becoming the flagship in 1915.
01/10/1915 While continuing in that wartime service the Allan fleet was in effect taken over by the Canadian Pacific Railway Company interests and the Canadian Pacific Ocean Services were established.
1919 Re-conditioned and converted for oil fuel by Beardmore & Co. Her stokehold crew was reduced from 117 to 34.
28/09/1931 Laid up in the Fairfield fitting-out berth and remained there for three years.