CuddlyRocket - 17/11/2005 12:26 PMGriffin's talk to the American Astronautical Society on 'Nasa and the Business of Space' - the transcript is here.As well as the proposal to let commercial companies bid for ISS cargo and crew resupply etc, I was interested in his proposal for a commercial refuelling depot in orbit, to allow the SDLV to launch more equipment because it need not carry as much fuel to orbit. This seems to be about a $2 billion per annum market.