J. Andringa

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In the president's vision for space exploration presented in January 2004, a human precursor test bed mission series is identified for both the Moon and Mars. It is assumed that the test bed missions to Mars will satisfy measurement recommendations from the Mars human precursor science steering group (MHP SSG), the Mars exploration program analysis group(More)
A real options framework for use in space mission design is presented. Such a framework has potential application in architecting flexibility in certain mission designs with the objective of maximizing mission utility. It integrates economic principles of cost, return, risk, flexibility, and other concepts from Black-Scholes option pricing theory and the(More)
A pre-phase A idea-generation team at the-Jet Propulsion Laboratory (JPL) has conducted a study to rank notable locations in the solar system based on attractiveness for human exploration. The process used to perform the study was composed of the following primary steps: determination of ranking criteria (including value, cost, and risk criteria) upon which(More)
We carried out a system analysis of processes for utilization of Mars resources to support human exploration of Mars by production of propellants and life-support consumables from indigenous resources. Seven ISRU processes were analyzed to determine mass, power and propellant storage volume requirements. The major elements of each process include CO/sub 2/(More)
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