Abstract

In January 2004, President George W. Bush announced the new “Vision for Space Exploration,” which has refocused U.S. human spaceflight policy away from low‐Earth orbit and toward the exploration of the Moon and Mars. While the technological requirements to return people to the Moon are well understood (after all, the Apollo program had people on the Moon almost 40 years ago), the proposed missions to Mars will be much more challenging.In this book, Donald Rapp, a former senior research scientist at the Jet Propulsion Laboratory (JPL), sets out to provide a critical assessment of the requirements for human missions to Mars from an engineering perspective. He argues, I am sure correctly, that this will prove to be a much more difficult task than is sometimes implied by the more optimistic Mars exploration advocates at NASA and elsewhere.

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