Horse team of the Royal Field Artillery pulling an 18 pounder field gun near Moeuvres, 27 September 1918.
British troops advance to the attack through a cloud of poison gas as viewed from the trench which they have just left.
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A Howitzer Gun in Elevation
A British Pilot in a BE2C approaching Hit along the course of the River Euphrates, July 1919.
The remains of Thiepval chateau on the Somme battlefield, 28 September 1916.
Men of the 2nd Australian Division in the front line at Croix du Bac, near Armentieres, 18 May 1916.
Men of the Lancashire Fusiliers cleaning a Lewis gun in a trench near Messines in Belgium during January 1917.
Three 8-inch howitzers of 39th Siege Battery, Royal Garrison Artillery (RGA), firing from the Fricourt-Mametz Valley during the Battle of the Somme, August 1916.
British soldiers eating hot rations in the Ancre Valley during the Battle of the Somme, October 1916.
The mine under German front line positions at Hawthorn Redoubt is fired 10 minutes before the assault at Beaumont Hamel. First day of the Battle of the Somme, 1 July 1916.
A line of British troops blinded by tear gas at an Advanced Dressing Station near Bethune, 10 April 1918.
A Vickers machine gun team wearing PH Type anti-gas helmets in action near Ovillers during the Battle of the Somme, 1916.
A raiding party from the 9th Battalion, Scottish Rifles (Cameronians), leaving a sap and making for the German lines, 11 April 1917.
Two men of the 12th East Yorkshires wearing snow suits leaving their snow-covered trench on daylight patrol. Arleux Sector, 9 January 1918.
Men of the Wiltshire Regiment advancing to the attack through the wire, Thiepval, Somme, 7 August 1916.
A pack horse loaded with rubber trench boots (waiders) is led through the mud near Beaumont Hamel on the Somme battlefield, November 1916.
An Australian carrying his wounded mate to a medical aid post for treatment, Gallipoli, 1915.
A battery of 18-pounder field guns of the Royal Field Artillery in action near the town of Albert on the Somme, 28 March 1918.
British horse lines at Suvla Bay during the Gallipoli Campaign in 1915.
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.
Officers and S.E.5a Scouts of No. 1 Squadron, RAF at Clairmarais aerodrome near Ypres.