Two Lancaster bombers – the only two in the world – seen over Hunters Farm shortly before 3:00pm on 16th August. What are the two fighter planes that can also be seen following them, on the left of the picture?
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Hunters Farm, Brightling 
You spotted the RAF Battle of Britain Memorial Flight so the fighter planes following the two Lancaster Bombers were a Spitfire and Hurricane. The planes had been (or were going to) the Eastbourne Air Show.