7. Forty Years Ago… $25.4 billion cost. Six successful landings, 1969-1972. Three circumlunar flights (Apollo 8, 10, 13). Technological advance pathbreaking. Scientific return astounding.
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9. What Do We Do for an Encore? Space Task Group Report, 1969. Space Shuttle, approved 1972. Space Station, approved 1984. Return to Moon. Mars expedition. Space Exploration Initiative, July 1989. Back to the Moon, and on to Mars. Vision for Space Exploration, January 2004. Back to the Moon, on to Mars, and retire Space Shuttle. Space Exploration in the 21st Century, April 2010. Emphasize ISS, commercial cargo and crew, R&D.