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A still from camera gun film from a Supermarine Spitfire Mk. I of No. 609 Squadron RAF, flown by F/Lt J H G McArthur. The tracers show hits on a Heinkel He 111 on its starboard quarter. It should be noted that it is a rather difficult deflection shot – it makes one wonder if the pilot managed to keep the He 111 in sights for much longer…

The two Heinkels were part of a larger formation from KG 53 and KG 55 which attacked the Bristol Aeroplane Company’s works at Filton, Bristol, just before midday on 25 September 1940. No. 609 Squadron was at the time based at Middle Wallop.

[Crown Copyright]