World War Two aircraft have taken to the skies, joined by historical re-enactors on the ground, at the Imperial War Museum at Duxford, Cambridgeshire.
It saw 156,000 Allied troops arrive in Normandy on 6 June 1944 for a combined naval, air and land assault on Nazi-occupied France. He runs an educational project called Discover D-Day, based in Attleborough, Norfolk, which is "mainly about the American Airborne and Army in the last year of the Second World War".
"The preservation of history is very important to make sure it doesn't repeat itself and these aircraft are probably not going to be airworthy forever.Emma Baugh/BBC
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