Cap badge Governor General's Foot Guards, 4th armoured Division

Details from the regiment were called out on service on 26 August 1939 and then placed on active service on 1 September 1939 for local protection duties. The details were disbanded on 31 December 1940.

The regiment mobilized The Governor General's Foot Guards, CASF, for active service on 24 May 1940. On 26 January 1942, it was converted to armour. It embarked for Great Britain on 23 September 1942. On 24 July 1944, it landed in France as part of the 4th Armoured Brigade, 4th Canadian Armoured Division, and it continued to fight in North-West Europe until the end of the war. The overseas regiment was disbanded on 31 January 1946