The rocket will be used to power the Bloodhound car in the hope it'll break the world landspeed record, travelling at more than 1000 miles an hour.
Cornwall was the focus of an engineering breakthrough today as tests took place on one of the biggest rockets ever made in Britain.
The rocket will be used to power the Bloodhound car in the hope it'll break the world land speed record, travelling at more than 1,000 miles per hour. Despite today's success, there were some nervous moments before it was fired at Newquay Airport.
Engineers from Bristol are making a landmark test today of the rocket they hope will power a car that'll break the land speed record. Those behind the Bloodhound Supersonic Car hope it will eventually reach four-figure speeds. The test is taking place in a hangar in Newquay.
Read more about the Bloodhound testing here.
Sally Biddulph was at the grand unveiling of the Bloodhound at Wellington Barracks.