1–20 of 155 hits
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    Design of Solar Sailing Trajectories Resilient to Safe Mode Events

    Johnson, Les / Heaton, Andrew / Laipert, Frank et al. | NTRS | 2021

    Solar Sail Propulsion Status

    Johnson, Les | NTRS | 2019

    The Kon-Tiki Mission – Demonstrating Large Solar Sails for Deep Space Missions

    Johnson, Les / Curran, Frank M. / Dissly, Richard W. et al. | NTRS | 2019

    Near Earth Asteroid Scout Mission Update

    Sweetser, Ted / Lantoine, Gregory / Castillo-Rogez, Julie et al. | NTRS | 2020

    Nuclear Thermal Propulsion and Power: A New Capability for Outer Planet Science and Exploration

    Johnson, Les / Gerrish, Harold / Houts, Mike et al. | NTRS | 2018

    STMD: Nuclear Thermal Propulsion Update

    Mitchell, Sonny / Johnson, Les | NTRS | 2019

    Solar Sails

    Johnson, Les | NTRS | 2018

    From Solar Sails to Laser Sails

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

    A Science-Driven Mission Concept to An Exoplanet

    Bennett, Gary / Frisbee, Robert / Friedman, Louis et al. | NTRS | 2017

    Power Beaming to Energy Storage Airships

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

    Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

    Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2016

      Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

      Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2015

      Propulsion Technology Assessment: Science and Enabling Technologies to Explore the Interstellar Medium

      Hopkins, Randall C. / Thomas, Herbert D. / Wiegmann, Bruce M. et al. | NTRS | 2016

    Near Earth Asteroid (NEA) Scout

    Johnson, Les | NTRS | 2016

    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

    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