21–30 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

    Exploring the Solar System

    Johnson, Les | NTRS | 2003

    NASA's In-Space Propulsion Program

    Johnson, Les | NTRS | 2003

    In-Space Propulsion Program Overview and Status

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