Description:Troops seen after mobilisation, having just left the Drill Hall in Alma Street and en route to join the Brigade and Ammunition Column in Burton-on-Trent. They entrained for Luton where the 46th North Midland Division was concentrating. The Brigade arrived in France on 26th February 1915, and were the first Territorial Field Artillery Brigade to join the BEF (British Expeditionary Force). In May 1916 the Brigade became 'C' Battery 231 Brigade RFA (Royal Field Artillery) under a re-organisation. The soldier at the head of the procession is Major F.W. Challinor. The photograph was taken at about 10.30 a.m.