The Moose Mountain Scouts were raised for active service on 24 April 1885 and served with the Line of Communication Troops of the North West Field Force until disbanded on 18 September 1885.

[2][3] The 1st Battalion, Canadian Mounted Rifles, CEF was authorized on 7 November 1914 and embarked for Great Britain on 12 June 1915.

It disembarked in France on 22 September 1915, where it fought as part of the 1st Brigade, Canadian Mounted Rifles, until 1 January 1916.

[3] The 10th Regiment, Canadian Mounted Rifles was authorized on 7 November 1914 and embarked for Great Britain on 28 April 1916.

Its personnel were absorbed by the 15th Reserve Battalion, CEF on 29 April and 9 June 1917 to provide reinforcements for the Canadian Corps.

[4] The Saskatoon Light Infantry (Machine Gun), CASF, mobilized for active service on 1 September 1939.

It participated in the expedition to raid the Norwegian island of Spitzbergen on 25 August 1941, landed in Sicily on 10 July and Italy on 3 September 1943 as part of the 1st Canadian Infantry Division.

The unit landed in France on 4 March 1945, on its way to the North-West Europe theatre of operations in which it served until the end of the war.

On 1 June 1945 The Saskatoon Light Infantry (Machine Gun) mobilized three cannon companies for active service with the Canadian Army Pacific Force, which disbanded on 1 November 1945.