 However, when Trumbull arrives at the Spanish headquarters, he finds that it has been evacuated and is now occupied by a guerrilla band led by the French-hating Miguel (Sinatra).Miguel shows Trumbull the abandoned cannon's location at the bottom of a steep ravine.He says he will only help move the huge gun if it is first used against the fortified walls of Ávila, which Miguel is obsessed with capturing.