It also discusses the recent developments in commercial suborbital spaceflight and the history of suborbital rocketry.
For just $ 10m the US got private manned spaceflight!
By contrast, our program involves a few, dedicated individuals who are focused entirely on making spaceflight affordable, " said Burt Rutan.
The value of human spaceflight - costs, risks & benefits, manned vs unmanned missions.
Even Helen Sharman, the British cosmonaut, believes that commercial spaceflight and space tourism will not be achieved for a number of decades.