Australian troops wait behind Quinn's Post, Gallipoli, after it was retaken on 29 May 1915.
Australia has Promised Britain 50,000 More Men
Aufhalten! [Stop him!]
Armourers 'bombing up' a Sea Harrier on board HMS INVINCIBLE during the Falklands War, 1982.
Anti-gas drill at Old Woolwich Road School in Greenwich, London during 1941.
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.
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.
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 front line trenches and mine craters near Loos in 1917.
Address your Letters Plainly
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 Tank
A Sherman tank crew of 'C' Squadron, 13th/18th Royal Hussars rest and write letters home by the side of their vehicle, Normandy, 10 June 1944.
A shell bursting amongst the barbed wire entanglements on the battlefield at Beaumont Hamel, December 1916.
A sergeant of the Lancashire Fusiliers in a flooded dugout opposite Messines near Ploegsteert Wood, January 1917.
A raiding party from the 9th Battalion, Scottish Rifles (Cameronians), leaving a sap and making for the German lines, 11 April 1917.
A paratrooper drops from a static balloon during training, 2 October 1942.
A pack horse loaded with rubber trench boots (waiders) is led through the mud near Beaumont Hamel on the Somme battlefield, November 1916.