13:32DiscoveryLast Chance To Fly The Space ShuttleBBC World Service Duration: 27 minutes Sat 19th Feb 2011, 13:32 on BBC World Service OnlineAvailable for over a yearListen nowAs NASA prepares for the final flight of the Space Shuttle program, astronaut Jeff Hoffman looks back on its 30 year history.GenresFactualScience & NatureFormatsDocumentariesBrandDiscovery Source: BBC Online