 Germanicus' forces withdrew and returned to the Rhine.In preparations for his next campaign, Germanicus sent Publius Vitellius and Gaius Antius to collect taxes in Gaul, and instructed Silius, Anteius, and Caecina to build a fleet.A fort on the Lippe called "Castra Aliso" was besieged, but the attackers dispersed on sight of Roman reinforcements.