 Bad weather forced his fleet of 151 ships to shelter in Falmouth for several weeks en route, finally departing on 23July.The Gascons, primed by Stafford to expect Derby's arrival in late May and sensing the French weakness, took the field without him.The Gascons captured the large, weakly garrisoned castles of Montravel and Monbreton on the Dordogne in early June; both were taken by surprise and their seizure broke the tenuous Truce of Malestroit.