A heavily-armed jeep patrol from 'L' Detachment SAS in North Africa, 18 January 1943.
Women pilots of the Air Transport Auxiliary (ATA) in flying kit at Hatfield, 10 January 1940.
Two men of the 12th East Yorkshires wearing snow suits leaving their snow-covered trench on daylight patrol. Arleux Sector, 9 January 1918.
Munition workers in a shell warehouse at National Shell Filling Factory No.6, Chilwell, Nottinghamshire in 1917.
Winston Churchill watches a female riveter at work on a Supermarine Spitfire at the Castle Bromwich factory in Birmingham, 28 September 1941.
WAAF radar operator Denise Miley plotting aircraft on a cathode ray tube in the Receiver Room at Bawdsey 'Chain Home' station, May 1945.
Two Wren cooks carve ham for the lunchtime meal in the galley of a Fleet Air Arm base in Scotland, 1943.
Two women munitions workers with a truck load of shell cases in the New Case Shop at the Royal Arsenal, Woolwich during the First World War.
Two women munition workers operate a shell case forming machine during the First World War at the New Gun Factory of the Royal Arsenal, Woolwich, London.
Two members of the Auxiliary Territorial Service (ATS) check the accuracy of anti-aircraft fire from a gun battery during the Second World War.
The two 'Women of Pervyse', Mairi Chisholm and the Baroness de T'Serclaes driving their motor ambulance through the ruins of Pervyse.