 Complete the following phrase:  With the outbreak of the First World War, Barttelot initially served in France with the 4th Reserve Battalion Coldstream Guards, from 12 August 1914, where he was wounded at the Battle of the Aisne and also awarded the French Croix de guerre. He was then appointed a General Staff Officer, Grade III on 11 February 1915 and was concerned with coastal defence around Portland, and served in the ill-fated Gallipoli campaign from July 1915, where he was promoted major on 1 September 1915. He was appointed a Brigade Major on 11 January 1916, for the 