 Complete the following phrase:  Australian airmen were involved in Allied efforts to delay German reinforcements from reaching Normandy throughout June. On the night of 67 June, 20 Mosquitos from No. 464 Squadron were dispatched to attack German road convoys and trains in northern France. The four Australian heavy bomber squadrons also participated in raids on French towns on this night. While No. 463, No. 466 and No. 467 Squadrons mainly targeted railway facilities, No. 460 Squadron formed part of an attack on Vire, which sought to 