 Complete the following phrase:  Promoted to captain on 4 August 1917, three years since the outbreak of war, on 24 October 1918 he was promoted to the acting rank of major, and served as second-in-command 2IC with the 16th Battalion, Seaforth Highlanders, a Territorial Force TF unit, part of the 152nd Seaforth and Cameron Brigade of the 51st Highland Division. The war came to an end soon after, with the signing of the 