Space Exploration Technologies chief executive Elon Musk spoke at the UK's Royal Aeronautical Society in London on the evening of the 3 July

The approximately 10min speech was entitled "What is Needed to Extend Life Permanently Beyond Earth?" Musk also reviewed SpaceX's progress. There were no pictures or video

There then followed about a 60min question and answer session. The audio recording of both the speech and Q&A can be found in the extended entry of this blog post

Read the complete post at http://www.flightglobal.com/blogs/hyperbola/2008/07/audio-spacex-ceo-elon-musk-spe.html