 Complete the following phrase:  After the withdrawal from Gallipoli, the battalion returned to Egypt where they received reinforcements and carried out defensive duties. During this time the AIF was reorganised and expanded as fresh divisions were raised. In order to spread experience across the new units, the existing units were split up and the 6th Battalion provided half its experienced officers and non-commissioned officers NCOs to the 58th Battalion. In March 1916, it sailed to France and deployed to the Somme, where it was sent to a quiet sector near Fleurbaix. Its first combat came on 12 June when the battalion launched a trench raid on the Germans opposite their position. Their first major action in France came later, however, at 