After what date was the "Assiniboine" used to transport returning Canadian servicemen?
HMS Kempenfelt (I18):  During World War II, she served as a convoy escort in the battle of the Atlantic, sinking one German submarine by ramming, on anti-submarine patrols during the invasion of Normandy, and was employed as a troop transport after VE Day for returning Canadian servicemen, before being decommissioned in mid-1945. Victory in Europe Day: Victory in Europe Day, generally known as V-E Day, VE Day or simply V Day, was the public holiday celebrated on 8 May 1945 to mark the formal acceptance by the Allies of World War II of Nazi Germany's unconditional surrender of its armed forces.
8 May 1945