Filton Airport had been in operation for more than 100 years and saw the first UK test flight of the Concorde prototype in 1969.

BBC: Cotswold Airport, Kemble

Like Amazon, the company is secretive, but last September it revealed that it had lost an unmanned prototype vehicle during a short-hop test flight.

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Filton was in operation for more than 100 years and was the site of the first UK test flight of the Concorde prototype in 1969.

BBC: Filton airfield