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Mars Flyby
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Crocco Mars Flyby
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In 1956 Gaetano Crocco proposed trajectories for a Mars flyby mission that would require half the energy, one third the time, and only a single rocket burn as opposed to the traditional Hohmann Mars expedition scenario. No specific spacecraft design was described, but the mission profile was used by the Soviets and Americans in their early manned spacecraft designs.
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NASA Mars Flyby 1965
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Mars flyby mission designed by NASA Huntsville in 1965 to use existing Apollo hardware, allowing a manned flyby of Mars by 1975.
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JAG Mars Flyby 1966
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Final NASA attempt to mount a manned Mars flyby mission by 1975 using Apollo hardware. It took the best elements of the NASA Huntsville and Douglas concepts of 1965, requiring only four Saturn V launches. A request for proposal to vendors had already been issued when Congress killed all further NASA Mars work in August 1967.
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NASA-LANL Manned Mars Mission 1985
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Joint Los Alamos/NASA design for a quick Mars flyby mission using hardware planned for development by NASA in the 1990's, produced at the urging of a Congressman in response to a perceived Soviet Mars expedition plan. The Soviet Union, and the space hardware planned by NASA, did not make it into the 1990's.
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Mars Cycler
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As part of a space infrastructure, it was proposed that four space stations be placed in cyclical orbits. These would allow departures for a six-month journey to Mars every 26 months. Passengers bound for Mars would rocket from earth orbit to rendezvous and dock with the cyclers in deep space. On approach to Mars, they would enter their rocket, undock, and enter Mars orbit or land on the planet. Return to earth would use another cycler. This approach would eliminate the 'disposable quarters' approach used in most Mars landing scenarios.
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Conditions for use of drawings, pictures, or other materials from this site..
To contact astronauts or cosmonauts.
© Mark Wade, 1997 - 2007 except where otherwise noted.
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