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    The Threat of Uncertainty: Why Using Traditional Approaches for Evaluating Spacecraft Reliability are Insufficient for Future Human Mars Missions

    Stromgren, Chel / Goodliff, Kandyce / Cirillo, William et al. | NTRS | 2016
    , several key findings related to the reliability and safety of the Mars spacecraft have been made. The nature of random and induced failures ...

    Supportability for Beyond Low Earth Orbit Missions

    Crillo, William M. / Goodliff, Kandyce E. / Aaseng, Gordon et al. | NTRS | 2011
    be very limited or even non-existent. In addition, the remote nature of the mission, the design of the spacecraft, and the limitations on ...

    Predicting Crew Time Allocations for Lunar Orbital Missions Based on Historical ISS Operational Activities

    Stromgren, Chel / Escobar, Felipe / Rivadeneira, Steven et al. | NTRS | 2018
    be necessary to have a detailed understanding of how the crew will inhabit, operate, and maintain the spacecraft. The nature of the Gateway ...

    Potential Advantages of Conducting Short Duration Visits to the Martian Surface

    Stromgren, Chel / Escobar, Felipe / Cirillo, William M. et al. | NTRS | 2018
    surface that are not well characterized. It may be desirable to conduct a series of short duration missions to better understand the nature of ...

    Developing a Crew Time Model for Human Exploration Missions to Mars

    Battfeld, Bryan / Stromgren, Chel / Shyface, Hilary et al. | NTRS | 2015
    crewed Lunar (Apollo) and International Space Station (ISS) missions. The nature of the architectures required for deep space human exploration ...

    A Comparison of Probabilistic and Deterministic Campaign Analysis for Human Space Exploration

    Merrill, R. Gabe / Andraschko, Mark / Stromgren, Chel et al. | NTRS | 2008
    Human space exploration is by its very nature an uncertain endeavor. Vehicle reliability, technology development risk, budgetary ...