 On the morning of 18 April , the Battle of Tempe Gorge , the struggle for the Pineios Gorge , was over when German armoured infantry crossed the river on floats and 6th Mountain Division troops worked their way around the New Zealand battalion , which was subsequently dispersed . On 19 April , the first XVIII Mountain Corps troops entered Larissa and took possession of the airfield , where the British had left their supply dump intact . The seizure of ten truckloads of rations and fuel enabled the spearhead units to continue without ceasing . The port of Volos , at which the British had re @-@ embarked numerous units during the prior few days , fell on 21 April ; there , the Germans captured large quantities of valuable diesel and crude oil . 
