8. In the above rate of build-up no allowance whatsover has been made for allied interference; and the timings are the best possible for the enemy 9. Experience in Sicily suggests that the Allied heavy air attack has considerably delayed the concentration of the enemy's mobile reserves. Attacks on the road and railway Rome-Naples would almost certainly delay the arrival of the Italian division [W] from the Caserta-Littoria area and the Italian division [S] from Rome. The German divisions (Divisions [B] and [C], assuming that Division [C] has replaced [A]) in the Carosa-Foggia area have to cross mountainous country and there are only three roads for them to use.