 They played an important role in the advance into Palestine, taking part in several major actions up until the Armistice of 30 October 1918.In the course of the war Anderson was advanced to the acting rank of captain and then major, serving as brigade major in the 3rd Light Horse Brigade, part of the Australian Mounted Division.Anderson received two Mentions in Despatches (in January 1918 and January 1919), and was awarded the Distinguished Service Order in the 1919 New Year Honours.