This paper presents an analysis of the impact of ISRU (In-Site Resource Utilization), reusability, and automation on sustaining a human presence on Mars, requiring a transition from Earth dependence to Earth independence. The study analyzes the surface and transportation architectures and compared campaigns that revealed the importance of ISRU and reusability. A reusable Mars lander, Hercules, eliminates the need to deliver a new descent and ascent stage with each cargo and crew delivery to Mars, reducing the mass delivered from Earth. As part of an evolvable transportation architecture, this investment is key to enabling continuous human presence on Mars. The extensive use of ISRU reduces the logistics supply chain from Earth in order to support population growth at Mars. Reliable and autonomous systems, in conjunction with robotics, are required to enable ISRU architectures as systems must operate and maintain themselves while the crew is not present. A comparison of Mars campaigns is presented to show the impact of adding these investments and their ability to contribute to sustaining a human presence on Mars.


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    Title :

    Sustaining Human Presence on Mars Using ISRU and a Reusable Lander


    Contributors:
    D. C. Arney (author) / C. A. Jones (author) / J. J. Klovstad (author) / D. Komar (author) / K. Earle (author) / R. Moses (author) / H. R. Shyface (author)

    Publication date :

    2015


    Size :

    25 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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