This is part three of a series of podcasts that will in total make up the 45min interview Hyperbola had with Virgin Galactic president Will Whitehorn on 4 March 2009 in the company's London offices. During this 8min 32s interview hear Whitehorn talk about WhiteKnight Two's potential as a demonstrator for large scale all-carbon composite aircraft, whether the credit crunch has impacted Virgin Galactic's development timetable, what industries are at risk during the downturn, who his customers are, if they are recession proof and more