Virgin boss Richard Branson has said that Virgin Galactic will not wane its its ambition despite yesterday's crash of SpaceShipTwo, in which co-pilot was killed and pilot seriously injured.
Branson: 'space is hard - but worth it. We will persevere and move forward together'.
He added: 'our thoughts are with the families of everyone affected by this tragic event'.
Branson said Virgin Galactic would co-operate fully with authorities investigating the fatal incident.