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    Near Earth Asteroid (NEA) Scout

    Johnson, Les / Castillo-Rogez, Julie / Dervan, Jared et al. | NTRS | 2017

    NASA's Space Launch System: Progress Toward the Proving Ground

    Jackman, Angie / Johnson, Les | NTRS | 2017

      NASA'S Space Launch System: Progress Toward the Proving Ground

      Jackman, Angie / Johnson, Les | NTRS | 2017

    From Solar Sails to Laser Sails

    Johnson, Les / Montgomery, Edward E. | NTRS | 2017

    Power Beaming to Energy Storage Airships

    Johnson, Les / O'Neil, Daniel | NTRS | 2017

    Earth-to-Orbit Beamed Energy eXperiment (EBEX)

    Johnson, Les / Montgomery, Edward E. | NTRS | 2017

    NASA's Near Earth Asteroid Scout Mission

    Johnson, Les / McNutt, Leslie / Castillo-Rogez, Julie | NTRS | 2017

    Earth to Orbit Beamed Energy Experiment (EBEX)

    Johnson, Les / Montgomery, Edward E, Sandy | NTRS | 2017

    Near Earth Asteroid (NEA) Scout

    Johnson, Les / Dervan, Jared / Castillo, Julie C. | NTRS | 2017

    In-Space Chemical Propulsion Systems Roadmap

    Palaszewski, Bryan / Meyer, Michael / Johnson, Les et al. | NTRS | 2017

    Near Earth Asteroid Scout: NASA's Solar Sail Mission to a NEA

    Johnson, Les / Castillo-Rogez, Julie / Dervan, Jared | NTRS | 2017

      Near Earth Asteroid Scout: NASA's Solar Sail Mission to a NEA

      Johnson, Les / Lockett, Tiffany | NTRS | 2017

    Earth to Orbit Beamed Energy Experiment

    Johnson, Les / Montgomery, Edward E. | NTRS | 2017

    Deployable Propulsion, Power and Communication Systems for Solar System Exploration

    Johnson, Les / Carr, John A. / Boyd, Darren | NTRS | 2017

    The Heliopause Electrostatic Rapid Transit System (HERTS)

    Wiegmann, Bruce M. / Johnson, Les / Bangham, Michael | NTRS | 2017

    Solar Sails

    Johnson, Les | NTRS | 2018