As Potts withdrew from Isurava, Myola was lost—his force destroying anything usable as it left. Successive withdrawals towards the start of the track eased the supply burden. As Allen advanced, following the withdrawing Japanese forces, he was acutely aware of the logistical problems facing his force. He faced pressure from Blamey and MacArthur to advance his forces without being able to assure their supply. His reluctance to do so was a significant factor leading to his replacement. McCarthy observes: "There was little that General Vasey could add immediately to General Allen's planning."