General Bernard Montgomery (commanding the ground forces in Normandy), wanted an attack on the eastern flank of the front to capture Falaise, intending that such a move would precipitate a general German collapse. The First Canadian Army (Lieutenant General Harry Crerar), held this part of the Allied front. It consisted of the British I Corps, responsible for the extreme eastern flank of the Allied lines and II Canadian Corps (Lieutenant General Guy Simonds) south of Caen. The II Canadian Corps, which was to launch Operation Totalize consisted of the 2nd Canadian Infantry Division, 3rd Canadian Infantry Division, 49th (West Riding) Infantry Division, 51st (Highland) Infantry Division, 4th Canadian (Armoured) Division, 1st Polish Armoured Division, 2nd Canadian Armoured Brigade and the British 33rd Armoured Brigade.