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Mission and Space Vehicle ConceptsThis paper discusses a number of top-level considerations which affect Mars and vehicle selection. Indications are provided of the nature and severity of the impact of these considerations on missions and
vehicles. The paper identifies and discusses various types of missions, such as Mars fly-bys, Mars orbiting and landing missions, and missions to the moons of Mars. Mission trajectories and opportunities are discussed briefly.

The paper also discusses the different types of vehicles required in a Mars program. Discussion includes several potential Earth-to-Orbit (ETO) vehicles, Mars surface vehicles, and 2 types of Orbit-to-Orbit (OTO) vehicles. Indications are provided as to preference for some of the concepts discussed.
Document ID
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
John Butler
(Marshall Space Flight Center Redstone Arsenal, Alabama, United States)
Date Acquired
August 13, 2013
Publication Date
May 1, 1986
Publication Information
Publication: Manned Mars Missions Working Group Papers: Volume 1, Section 1-4
Publisher: National Aeronautics and Space Administration
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
Meeting Information
Meeting: Manned Mars Missions Workshop
Location: Huntsville, AL
Country: US
Start Date: June 10, 1985
End Date: June 14, 1985
Sponsors: National Aeronautics and Space Administration
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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