The battery moved to 31st HAG with Third Army on 8 July and then to 28th HAG with First Army on 31 July. 28th HAG joined Fourth Army on 10 September for the Battle of Flers-Courcelette (15–22 September) in the continuing Somme Offensive. By now massive quantities of artillery were employed for each phase of the offensive as Fourth Army attacked again and again through the autumn: