There are millions of people out there who would love to become astronauts, who'd love to go to space - they'd love to look back at this wonderful world from space. That will be the engine that will enable us then to develop spaceships to transport people around the world at tremendous speeds in an environmentally friendly way.

We'll not be sending anyone into space before it is safe and the vehicle is well and truly tested.

Every single astronaut who has come back from space comes back determined to do more to protect it.

The most breathtaking thing about being in space is actually looking back at the Earth.