 Complete the following phrase:  Upon the outbreak of World War I in August 1914, Miles, with his battalion, then serving in Dublin as part of the 13th Brigade of the 5th Division, was sent overseas to France, landing at Le Havre on 15 August, as part of the British Expeditionary Force BEF. Promoted to the temporary rank of lieutet on 27 August 1914, Miles, his rank of lieutet made permanent, participated in all the major battles in which the battalion was engaged that year, beginning with the Battle of Mons and the subsequent retreat, and culminating in the First Battle of Ypres, where Miless battalion suffered very heavy losses, although Miles himself survived unscathed and, from 18 November 1914, was seconded to the Army Signal Service. During the 