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    An Overview of Solar Sail Propulsion within NASA

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

    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

    Electrodynamic Tether Propulsion for Spacecraft and Upper Stages

    Johnson, Les / Gilchrist, Brian / Estes, Robert D. et al. | NTRS | 1998

    Electrodynamic Tethers for Reboost of the International Space Station

    Johnson, Les / Herrmann, Melody / Vas, Irwin et al. | NTRS | 1999

    Electrodynamic Tethers for Spacecraft Propulsion

    Johnson, Les / Estes, Robert D. / Lorenzini, Enrico et al. | NTRS | 1998