A Heinkel He 111 bomber flying over the East End of London at the start of the Luftwaffe's evening raids of 7 September 1940.
Squadron Leader Brian 'Sandy' Lane, CO of No. 19 Squadron (centre) confers with Flight Lieutenant Walter 'Farmer' Lawson and Flight Sergeant George 'Grumpy' Unwin at Fowlmere near Duxford, September 1940.
A pilot at Fairlop airfield in Essex has a haircut during a break between sweeps. A Supermarine Spitfire is in the background.
Supermarine Spitfire Mark Is of No. 610 Squadron based at Biggin Hill, flying in 'vic' formation, 24 July 1940.
Pilots of No. 303 (Polish) Squadron RAF with one of their Hawker Hurricanes, October 1940.
Air Chief Marshal Sir Hugh Dowding, Commander in Chief of Royal Air Force Fighter Command during the Battle of Britain.
Armourers replenish the ammunition in a Hawker Hurricane Mk I of No. 310 (Czechoslovak) Squadron RAF at Duxford, Cambridgeshire, 7 September 1940.
A Supermarine Spitfire Mk 1 of No. 19 Squadron RAF being re-armed between sorties at Fowlmere, near Duxford, September 1940.
Interior of RAF Fighter Command's Sector 'G' Operations Room at Duxford, Cambridgeshire, September 1940.
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.
Spitfire pilots of No. 19 Squadron RAF gather at Manor Farm, Fowlmere, near Duxford in Cambridgeshire, September 1940.
Hawker Hurricanes of No 1 Squadron, Royal Air Force, based at Wittering, Cambridgeshire, followed by a similar formation of Supermarine Spitfires of No 266 Squadron, during a flying display for aircraft factory workers, October 1940.
Squadron Leader Douglas Bader, CO of No. 242 Squadron, seated on his Hawker Hurricane at Duxford, September 1940.
Pilots of No. 310 (Czechoslovak) Squadron RAF in front of Hawker Hurricane Mk I at Duxford, Cambridgeshire, 7 September 1940.
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.
Hawker Hurricane Mk Is of No. 85 Squadron RAF during the Battle of Britain, 1940.
Flying Officer Leonard 'Ace' Haines of No. 19 Squadron on his Supermarine Spitfire Mk I at Fowlmere near Duxford, September 1940.