Wounded men being tended in a trench near Beaumont Hamel on the morning of the initial assault, Battle of the Somme, 1st July 1916.
Wounded British soldier showing shrapnel damage to his steel helmet caused near Hamel on the Somme Front in December 1916.
Winston Churchill, accompanied by Field Marshal Sir Bernard Montgomery and Field Marshal Sir Alan Brooke, inspects tanks of 7th Armoured Division in Berlin, 21 July 1945.
Two Battle of Britain fighter pilots, Flight Lieutenant Brian Kingcome (left), commanding officer of No 92 Squadron RAF and his wingman, Flying Officer Geoffrey Wellum, next to a Spitfire at RAF Biggin Hill, Kent, 1941
Troops come ashore on one of the Normandy invasion beaches, past the White Ensign of a naval beach party, 7 June 1944.
Tank F4, 'Flirt II', at the Tank Driving School at Wailly on 21 October 1917, in training for the Battle of Cambrai.
Supermarine Spitfire Mk VBs of No. 122 Squadron RAF take off from Hornchurch, Essex, for a fighter sweep over France, May 1942.
Supermarine Spitfire Mark Is of No. 610 Squadron based at Biggin Hill, flying in 'vic' formation, 24 July 1940.
Soldiers of the Lancashire Fusiliers cleaning a Lewis Gun. On the left can be seen the gas alarm horn and wind vane. January 1917 near Ploegsteert.
Pilots of No. 303 (Polish) Squadron RAF with one of their Hawker Hurricanes, October 1940.
North American Mustang Mark IIIs of No. 19 Squadron RAF based at Ford, Sussex, 21 April 1944.
Men of the 8th Battalion, East Yorkshire Regiment going up to the line near Frezenberg during the Third Battle of Ypres, 1917.
HMS CONQUEROR, the Churchill class nuclear-powered fleet submarine, underway in the early 1970s. In 1982, the submarine sank the Argentine cruiser ARA BELGRANO during the Falklands War.
Groundcrew refuelling a Short Stirling Mk I of No. 1651 Heavy Conversion Unit at Waterbeach in Cambridgeshire, 29 April 1942.
A raiding party of the 10th Battalion, Cameronians (Scottish Rifles) waiting for the signal to go. John Warwick Brooke, the official photographer, followed them in the sap, into which a shell fell short killing seven men. Near Arras, 24 March 1917.
A heavily-armed jeep patrol from 'L' Detachment SAS in North Africa, 18 January 1943.
A graphic line-up of all the personnel required to keep one Avro Lancaster of RAF Bomber Command flying on operations, taken at Scampton, Lincolnshire, 11 June 1942.
A Douglas Dakota of BOAC at Gibraltar, silhouetted by searchlights on the Rock.