Now Model’s line stretched from Antwerp (southwest Holland) to Maastricht (south Holland). He ordered the 15th Army to prepare for an assault on Antwerp. Perhaps there would be a chance to isolate the British troops. Model also ordered the 2nd SS Panzer Corps to retreat towards Arnhem. He brought this corps to Arnhem to rest and refit. This decision by Model is one of the reasons, if not the reason, why Operation Market Garden failed.