It's hoped the Bloodhound will eventually reach speeds of more than one thousand miles an hour. The project has involved companies, scientists and schools from across the westcountry. The University of the West of England is a partner in the project, which has attracted many volunteers.
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Holly Green has the latest forecast for Bristol, Wiltshire, Somerset, Dorset and Gloucestershire.
Holly Green has the latest forecast for Cornwall, Somerset, Dorset and Devon.
The Ministry of Defence cannot be prosecuted for any offence as it is a Crown body.