British soldiers eating hot rations in the Ancre Valley during the Battle of the Somme, October 1916.
British and German wounded at an advanced dressing station near Epehy share a cigarette, 18 September 1918.
Bristol Beaufighter Mk Xs of No. 404 Squadron RCAF based at Dallachy in Scotland, February 1945.
Boys creating an allotment on a bomb site in London during 1942.
Battle of Loos; British attack on the Hohenzollern Redoubt. Photograph shows a cloud of smoke and gas in the centre and on the left. 1915.
Battle of Albert. British troops asleep in a support trench previous to the attack on Beaumont Hamel, 7 a.m. July 1st 1916.
Australian troops wait behind Quinn's Post, Gallipoli, after it was retaken on 29 May 1915.
Anti-gas drill at Old Woolwich Road School in Greenwich, London during 1941.
An Avro Lancaster Mk III of No. 103 Squadron pauses on the flarepath at Elsham Wolds, Lincolnshire, before taking off for a raid on Duisburg, 26 March 1943. In the background three searchlights form a cone to indicate the height of the cloud base.
An Australian officer wading through the mud, Gird Trench, Gueudecourt.
An Australian carrying his wounded mate to a medical aid post for treatment, Gallipoli, 1915.
An Argentine Dagger aircraft makes a low-level attack on RFA SIR BEDIVERE in San Carlos Water in the Falkland Islands, 24 May 1982.
Alexandria : No. 230 Squadron RAF Sunderland Flying Boat Station. Portrait of an airman standing inside a Sunderland.
Aircrews of No. 149 Squadron RAF approach a line of Vickers Wellington Mark IAs at Mildenhall, Suffolk for an early morning training sortie. The Squadron's operations at this time were directed mostly against German naval installations and shipping.
Aircrew of No. 106 Squadron photographed in front of a Lancaster at Syerston, Nottinghamshire, on the morning after the raids on Genoa, 22-23 October 1942.
Air photo of a gas attack.
Air Officer Commanding Malta, Air Vice Marshal Sir Keith Park, in the cockpit of his personal Supermarine Spitfire V before his ceremonial take-off at Malta's new aerodrome at Safi, May 1943.
Aerial photograph showing the opposing trench systems between Loos and Hulluch in July 1917.
Admiral Lord Louis Mountbatten, Supreme Allied Commander, South East Asia, at New Delhi, India, 1944
A wounded First World War soldier with facial injuries has a plaster cast made of his face so that a mask can be produced to cover his wounds.The work was undertaken at the 3rd General Hospital in Wandsworth, London.
A well concealed and revetted trench, between two-lines of trees. Gommecourt, given up by the Germans in March 1917.
A Vickers machine gun team wearing PH Type anti-gas helmets in action near Ovillers during the Battle of the Somme, 1916.
A veteran sergeant in the Dorking Home Guard cleans his Tommy gun at the dining room table, before going on parade, 1 December 1940.
A Supermarine Spitfire Mk 1 of No. 19 Squadron RAF being re-armed between sorties at Fowlmere, near Duxford, September 1940.