Mapping organisation Ordnance Survey plans to launch a solar-powered drone to capture higher quality images of the Earth.
Its Astigan craft will fly higher than commercial airliners at 67,000 ft (20,400m), and could circle the Earth for 90 days before it needs to land.
It will collect images and data for businesses and organisations to use.
It hopes to launch “fully operational high-altitude tests” of the craft before the end of 2019.
Ordnance Survey owns 51% of Astigan, which is based in Bridgwater, Somerset.
It operates from the same factory that
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