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Humans to Mars: Fifty Years of Mission Planning, 1950-2000

Humans to Mars: Fifty Years of Mission Planning, 1950-2000
by David S. F. Portree

Publisher: NASA History Division 2001
ISBN/ASIN: 1493656619
ISBN-13: 9781493656615
Number of pages: 151

Description:
By examining the evolution of 50 mission studies over the past 50 years, David Portree gives us a sense of the many options that Mars human space flight planners in the United States have explored. Portree covers a wide variety of ideas for human exploration of Mars...

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