 Complete the following phrase:  He served in World War I as Brigadier-General on the General Staff of the Indian Corps from 1914, then was appointed General Officer Commanding 8th Division on the Western Front from 31 July 1915 in which capacity he led the attack on Ovillers losing 5,400 men until 8 December 1916 and was appointed Adjutant General, India from 5 Feb 1917 until 30 October 1920. Following the 