After the army of Britain had joined him, Vitellius, who had now a prodigious force and vast resources, determined that there should be two generals and two lines of march for the contemplated war. Fabius Valens was ordered to win over, if possible, or, if they refused his overtures, to ravage the provinces of Gaul and to invade Italy by way of the Cottian Alps; Cæcina to take the nearer route, and to march down from the Penine range. To Valens were entrusted the picked troops of the army of Lower Germany with the eagle of the 5th legion and the auxiliary infantry and cavalry, to the number of 40,000 armed men; Cæcina commanded 30,000 from Upper Germany, the strength of his force being one legion, the 21st. Both had also some German auxiliaries, and from this source Vitellius, who was to follow with his whole military strength, completed his own forces.