green energy sources / appropriate technology / proper reusable space infrastructure / asteroid mining / transportation / biotechnology / human systems / flight hardware / government-developed technology / human/robotic space infrastructure / required space infrastructure / manufacturing / internet economy / space transportation systems / technology return / energy / /
Organization
Committee on Human Spaceflight / National Advisory Committee for Aeronautics / Nuclear Regulatory Commission / US government / National Aeronautics and Space Administration / Travel and Tourism Research Association / National Space Society / /
Person
R. Bruce Pittman / George W. Bush / John Marberger / Van Allen / James Michener / /
Position
President / Vice President and Senior Operating Officer / Private / science advisor / President George W. Bush’s science advisor / /