Men of the Wiltshire Regiment advancing near Thiepval during the Battle of the Somme, 7 August 1916.
The mine under German front line positions at Hawthorn Redoubt is fired 10 minutes before the assault at Beaumont Hamel on the first day of the Battle of the Somme, 1 July 1916.
Men of the 8th Battalion, East Yorkshire Regiment going up to the line near Frezenberg during the Third Battle of Ypres, 1917.
A gas sentry ringing an alarm at Fleurbaix, fifteen miles south of Ypres, June 1916.
A formal portrait of Field Marshal Sir Douglas Haig on horseback at Poperinghe. Haig was Commander-in-Chief of the Western Front, 1915 - 1918.
Roll call of the 1st Battalion, Lancashire Fusiliers on the afternoon of 1 July 1916, following their assault on Beaumont Hamel during the opening day of the Battle of the Somme.
Women of Britain Say 'Go!'
Cecil Beaton photograph of an RAF bomber crew being debriefed by the squadron intelligence officer on their return from a night raid over Germany, 1941.