Architecture selection - The key decision for human Mars mission planning

What is it about?

This paper briefly describes several Human Mars mission architectures. The major characteristics and distinguishing elements are identified. Various Earth-Mars transfer vehicle concepts are discussed in the context of the selection of a superior Mars architecture. Evaluation criteria are presented and applied. Various mission objectives are presented and the relevance each has to architecture selection is set forth. Important factors in the selection of a superior architecture include main propulsion system selection, evolution to missions with low recurring costs, minimal new technology developments and development and operational risk, among others

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