1–20 of 157 hits
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    Advanced Concepts

    Johnson, Les / Mulqueen, Jack | NTRS | 2013

    An Overview of Solar Sail Propulsion within NASA

    Johnson, Les / Swartzlander, Grover A. / Artusio-Glimpse, Alexandra | NTRS | 2013

    A science-driven mission concept to an exoplanet

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

    A Science-Driven Mission Concept to An Exoplanet

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

    A Strategic Roadmap to Centauri

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

    Bare Conductive Tether for Decelerating a Spacecraft

    Johnson, Les / Vaughn, Jason / Welzyn, Ken et al. | NTRS | 2007

    Benefits of Nuclear Electric Propulsion for Outer Planet Exploration

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

    Deployable Propulsion, Power and Communication Systems for Solar System Exploration

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

    Design of Solar Sailing Trajectories Resilient to Safe Mode Events

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

    Earth to Orbit Beamed Energy Experiment

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

    Earth to Orbit Beamed Energy Experiment (EBEX)

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

    Earth-to-Orbit Beamed Energy eXperiment (EBEX)

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

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    Electric Sail Propulsion for Exploring Nearby Interstellar Space

    Johnson, Les / Wiegmann, Bruce M. / Bangham, Mike | NTRS | 2015

    Electric Sail Propulsion for Exploring Nearby Interstellar Space

    Johnson, Les / Wiegmann, Bruce / Bangham, Mike | NTRS | 2015