Staff Sergeant-Major Twist of the ATS embraces and kisses her husband, Lance-Bombardier Twist during a special photo-shoot at Army Headquarters in Northern Ireland, 22 October 1941.
Squadron Leader Robert Stanford Tuck (centre) with pilots of No. 257 Squadron RAF under the nose of Tuck's Hawker Hurricane at Martlesham Heath. They are displaying souvenirs of their action against Italian aircraft on 11 November 1940.
Squadron Leader Marmaduke Thomas St John "Pat" Pattle, Officer Commanding No. 33 Squadron RAF, and the Squadron Adjutant, Flight Lieutenant George Rumsey, standing by a Hawker Hurricane at Larissa, Thessaly, Greece.
Squadron Leader L C Wade, commanding No. 145 Squadron, sitting in the cockpit of his Supermarine Spitfire HF Mk VIII at Triolo landing ground, south of San Severo in Italy, 12 November 1943.
Squadron Leader Joseph Heaven, an RAF Methodist Chaplain, plays with a baby in a village near Monywa in Burma, March 1945.
Squadron Leader H J L Hallowes, CO of No. 122 Squadron, with his Supermarine Spitfire Mk V at Scorton in Yorkshire, December 1941.
Squadron Leader Douglas Bader (centre) and fellow pilots of No. 242 Squadron, Flight Lieutenant Eric Ball and Pilot Officer Willie McKnight, admire the nose art on Bader's Hawker Hurricane at Duxford, October 1940.
Squadron Leader Donald 'Don' Finlay, the CO of No. 41 Squadron RAF with his Supermarine Spitfire Mk IIA at Hornchurch, Essex, January 1941.
Squadron Leader Dennis Barry (in cockpit) and other pilots of No. 616 Squadron RAF with a Gloster Meteor at Manston, Kent, January 1945.
Spitfire pilots of No. 417 Squadron, Royal Canadian Air Force, planning another operation from their airfield at Goubrine in Tunisia, April 1943.
Spitfire pilots of No. 417 Squadron, Royal Canadian Air Force, having a meal outside a tent at Goubrine in Tunisia, April 1943.
Spitfire pilots of No. 19 Squadron RAF gather at Manor Farm, Fowlmere, near Duxford in Cambridgeshire, September 1940.
Spitfire LF Mk Vs of No. 244 Wing flying over the Tunisian coast after escorting light bombers on a sortie to Mareth, 23 March 1943.
South African troops of 1991 Swaziland Smoke Company wait to board landing craft at Castellammare before sailing for Anzio, January 1944. The unit was responsible for creating smokescreens over the invasion area.
Sopwith F1 Camel, single-seat scout.
Sopwith 5F.1 Dolphin single-seat fighter biplane. Used for ground attack and high-altitude offensive patrols.
Soldiers waiting by a travelling field kitchen for their dinner, Aveluy, Somme, November 1916.
Soldiers onboard a leave train heading out from Victoria Station, London during the First World War.
Silhouette of a British Challenger tank commander during the Gulf War, 1991.
Short Stirling Mk III of the Empire Central Flying School about to land at Hullavington in Wiltshire, 2 December 1943.
Short Stirling Mk I of No. 1651 Heavy Conversion Unit at Waterbeach in Cambridgeshire, 1942.
Sherman tanks of 11th Armoured Division during the advance towards Gemert in Holland, 26 September 1944.
Sherman DD tanks of 'B' Squadron, 13th/18th Royal Hussars support men of No. 4 Army Commando advancing towards Ouistreham on D-Day, 6 June 1944.
Shells awaiting filling with explosives in a store of the National Shell Filling Factory at Chilwell, Nottinghamshire, 21 November 1916.