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[QUOTE]Originally posted by OnToMars: [QB] I hesitate to turn this into another Mars rant, but here's a good bare bones summary and the [URL=http://www.chron.com/content/interactive/space/exploration/mars/schemes/]link.[/URL] [i]Report of the 90-day Study on Human Exploration of the Moon and Mars Proponent: NASA Year of plan: 1989 Costs: $500 billion, possibly more Proposed date of Mars landing: about 2019, if project began by early 1990s Status: Never seriously considered Will it happen?: Absolutely not in our lifetime Diagram of 90-day plan This report, commonly referred to as the 90-Day Report, began as an initiative from President Bush in July 1989 when he proposed a "long-range, continuing commitment" to: Completing Space Station Freedom in the 1990s as "a critical next step in all our space endeavors." Returning to the moon and establishing a permanent, manned base there. Sending astronauts to Mars. The plan drew fire immediately because of its complexities, duration of development and cost of more than $500 billion. The plan involved using the never-built Space Station Freedom to act as an assembly area for Moon-bound spaceships. Heavy-lift rockets and shuttle flights would deliver the material to assemble the ships. The Moon-bound ships would set up a colony there and an orbiting facility to build the Mars-bound ships. The Mars-bound spaceships, resembling fictional spacecraft "Battlestar Galactica," would contain everything needed for the 18-month round trip. Astronauts would spend two weeks on the surface before returning to the orbiting mother ship and and heading back to Earth. The National Research Council analyzed the report and found that, for success, it would require long-term financial commitment from the U.S. government, rather than budgeting yearly, and that a lot of the development costs such as nuclear propulsion remained uncertain. Politically, the report never got very far. Far more ambitious than the Apollo program, the 90-Day Report's arrival at the end of the Cold War combined with a budget-conscious government were a major cause of it never being taken seriously.[/i] There's another part that discusses Mars Direct and Mars Semi-Direct. [/QB][/QUOTE]
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