 He managed to come up with the money to pay some of the legions and ordered Caecina to take the First and Twentieth legions back to Oppidum Ubiorum (Cologne), together with the depleted treasury.When Germanicus arrived at Oppidum Ubiorum, he sent Caecina to Castra Vetera (Xanten), where the mutinous legions V Alaudae and XXI Rapax were stationed.Determined to make an example of them, he ordered Caecina to announce to the troops that unless they punished the principal troublemakers, he would come in with a larger army and execute a large number of soldiers at random.