We did not manage to fully reduce Fort Montbarey and the British are fuming due to the mishandling of their armor. However, we did enough damage to force a German surrender the next day. This fits roughly with the historical result, as the attack on the fort took two tries in reality and two Crocodiles were lost. *The important thing is that the road to Brest is open and we can attack tomorrow! This also means no time for a good rest, though...
