The theme for the 2001 conference was Space Exploration and Transportation: Journey into the Future. The proceedings document advances in a number of key areas of space science, engineering, and technology, as well as on the potential and future opportunities for space science on board the international space station. It covers topics ranging from basic research to the advances in hardware development, space exploration missions, space commercialization, next generation launch systems, human physiology in space, breakthrough propulsion physics, interstellar propulsion, material processing in microgravity, and spaceport development.