21–40 of 155 hits
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    Benefits of Nuclear Electric Propulsion for Outer Planet Exploration

    Kos, Larry / Johnson, Les / Jones, Jonathan et al. | NTRS | 2002

    In-Space Propulsion Program Overview and Status

    Carroll, Carol / Johnson, Les / Baggett, Randy | NTRS | 2002

    In-Space Propulsion Program Overview and Status

    Wercinski, Paul F. / Johnson, Les / Baggett, Randy M. | NTRS | 2003

    Exploring the Solar System

    Johnson, Les | NTRS | 2003

    NASA's In-Space Propulsion Program

    Johnson, Les | NTRS | 2003

    NASA's In-Space Propulsion Technology Program: Overview and Status

    Johnson, Les / Alexander, Leslie / Baggett, Randy et al. | NTRS | 2004

    In-Space Propulsion for Science and Exploration

    Bishop-Behel, Karen / Johnson, Les | NTRS | 2004

    NASA's In-Space Propulsion Technology Program: Overview and Update

    Johnson, Les / Alexander, Leslie / Baggett, Randy M. et al. | NTRS | 2004

    NASA In-Space Propulsion Technology Program: Overview and Update

    Johnson, Les / Alexander, Leslie / Baggett, Randy M. et al. | NTRS | 2004

    NASA's In-Space Propulsion Technology Program: A Step Toward Interstellar Exploration

    Johnson, Les / James, Bonnie / Baggett, Randy et al. | NTRS | 2005

    A Strategic Roadmap to Centauri

    Johnson, Les / Harris, David / Trausch, Ann et al. | NTRS | 2005

    Spacecraft Solar Sails Containing Electrodynamic Tethers

    Johnson, Les / Matloff, Greg | NTRS | 2005

    The Interstellar Conspiracy

    Johnson, Les / Matloff, Gregory L. | NTRS | 2005

    Holographic Solar Photon Thrusters

    Johnson, Les / Matloff, Greg | NTRS | 2006

    Recent Advances in Solar Sail Propulsion at NASA

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006

    Status of Solar Sail Propulsion: Moving Toward an Interstellar Probe

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006