 Commanded by Lieut-Col. L. T. Martin, the battalion sailed from Halifax, Nova Scotia on 17 February 1917 aboard S.S. "Missanabie" and arrived in England on 26 February 1917 with a strength of 29 officers and 902 other ranks.Re-designated as 7th Battalion, Canadian Railway Troops serving in France and Flanders from 1917 to 1919.Most of the late war formations were smaller groups some less than 400 men.