Returning to the Moon by those who have already gone

Later today I'll be interviewing on camera NASA administrator Michael Griffin for 30min about a wide range of subjects before going on to the Geological Society where the Royal Astronomical Society is holding part of its conference on the future use of the Moon for astronomy.

But before I report back on that here are some interviews, exclusive to Flight, that we conducted earlier this year with Apollo astronaut veterans, Gene Cernan, Al Worden, Alan Bean and Mercury original Scott Carpenter