Following the war, the ship was transferred to the Department of Marine and Fisheries for a short period before reverting to RCN service in 1923 on the Pacific coast of Canada.

The ship sank in 1925, was raised and re-entered service, remaining with the fleet through the Second World War as an examination vessel at Prince Rupert, British Columbia.

After the end of the war, the vessel entered mercantile service becoming A.G. Garrish in 1947, later renamed Arctic Rover in 1958, Laforce in 1962 and Polaris in 1973.

The RCN's Battle-class trawlers formed part of the Canadian naval response to Admiralty warnings to Canada about the growing German U-boat threat to merchant shipping in the western Atlantic.

[2] Twelve vessels were ordered on 2 February 1917 from two shipyards, Polson Iron Works of Toronto and Canadian Vickers of Montreal.

[4][a] This was considered to be the smallest gun that stood a chance of putting a surfaced U-boat out of action, and they also carried a small number of depth charges.

[4] Armentières sailed to the east coast where for the 1918 shipping season, all the Battle-class trawlers were assigned to patrol and escort duties based out of Sydney, Nova Scotia.

[4] Frequently functioning as a training ship for the Royal Canadian Naval Volunteer Reserve, Armentières also performed fisheries patrol duties, including the protection of migrating fur seals against illegal hunting.

[4][12] This enforcement of the North Pacific Fur Seal Convention of 1911 was often carried out in conjunction with sister ships Thiepval and CGS Givenchy, which at the time was serving with the Department of Marine and Fisheries.