1–20 von 44 Ergebnissen
|

    Traverse Planning Experiments for Future Planetary Surface Exploration

    Hoffman, Stephen J. / Voels, Stephen A. / Mueller, Robert P. et al. | NTRS | 2012

    Transportation-driven mars surface operations supporting an evolvable mars campaign

    Toups, Larry / Hoffman, Stephen J. / Brown, Kendall | IEEE | 2015

      Transportation-Driven Mars Surface Operations Supporting an Evolvable Mars Campaign

      Toups, Larry / Brown, Kendall / Hoffman, Stephen J. | NTRS | 2015

    Transitioning from Space Shuttle to Space Station on-orbit servicing

    Hoffman, Stephen J. / Rysavy, Gordon | NTRS | 1987

    SIMULATED WATER WELL PERFORMANCE ON MARS (AIAA 2018-5293)

    Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | British Library Conference Proceedings | 2018

    Simulated Water Well Performance on Mars

    Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | AIAA | 2018

      Simulated Water Well Performance on Mars

      Hoffman, Stephen J. / Andrews, Alida D. / Watts, Kevin D. | NTRS | 2018

    Progress in Simulating Water Well Performance on Mars

    Hoffman, Stephen J. / Andrews, Alida / Watts, Kevin et al. | AIAA | 2020

    Pioneering Objectives and Activities on the Surface of Mars

    Toups, Larry / Hoffman, Stephen J. | NTRS | 2015

    Pioneering Objectives and Activities on the Surface of Mars

    Toups, Larry / Hoffman, Stephen J. | NTRS | 2015

    NASA's Human Missions to Mars: An Introduction

    Hoffman, Stephen J. | NTRS | 2016

    Mars surface systems common capabilities and challenges for human missions

    Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | IEEE | 2016

      Mars Surface Systems Common Capabilities and Challenges for Human Missions

      Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | NTRS | 2016

    Mars Surface Systems Common Capabilities and Challenges for Human Missions

    Toups, Larry / Hoffman, Stephen J. / Watts, Kevin | NTRS | 2016

    Mars surface habitability options

    Howe, A. Scott / Simon, Matthew / Smitherman, David et al. | IEEE | 2015

      Mars Surface Habitability Options

      Howe, A. Scott / Simon, Matthew / Smitherman, David et al. | NTRS | 2015

    Mars Rover/Sample Return mission trade studies

    Soldner, John K. / Hoffman, Stephen J. | NTRS | 1988

    Mars as a Destination in a Capability-Driven Framework

    Hoffman, Stephen J. / Drake, Bret G. / Baker, John D. et al. | NTRS | 2012

    Lunar science strategy: Exploring the Moon with humans and machines

    Morrison, Donald A. / Hoffman, Stephen J. | NTRS | 1993

    Human Mars Mission Power Architectures

    Hoffman, Stephen J. | NTRS | 2017

    Human Mars Landing Site and Impacts on Mars Surface Operations

    Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016

    Human Mars landing site and impacts on Mars surface operations

    Bussey, Ben / Hoffman, Stephen J. | IEEE | 2016

      Human Mars Landing Site and Impacts on Mars Surface Operations

      Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016

      Human Mars Landing Site and Impacts on Mars Surface Operations

      Bussey, Ben / Hoffman, Stephen J. | NTRS | 2016