 In August 1917 Chauvel was placed in command of the Desert Mounted Corps, which included the two Australian mounted divisions, as well as the British Yeomanry Division and the Imperial Camel Corps Brigade.Chauvel became the first Australian to command a corps, as well as the first to achieve the rank of lieutenant general.With the failure of the Second Battle of Gaza a third assault was launched on Gaza between 31 October and 7 November 1917.