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    Design of Solar Sailing Trajectories Resilient to Safe Mode Events

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

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

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

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    New Moon Explorer Mission Concept

    Johnson, Les / Carr, John / Dervan, Jared et al. | NTRS | 2019

    Solar Sail Propulsion Status

    Johnson, Les | NTRS | 2019

    Electric Sail Propulsion for Deep Space Missions

    Johnson, Les / Polzin, Kurt | NTRS | 2019

    Solar Sails

    Johnson, Les | NTRS | 2018

    Solar Sail Propulsion for Small Spacecraft

    Johnson, Les / Lockett, Tiffany / Few, Alex | NTRS | 2018

    NASA's Nuclear Thermal Propulsion (NTP) Project

    Houts, Mike / Mitchell, Sonny / Aschenbrenner, Ken et al. | NTRS | 2018

    Solar Sails

    Johnson, Les | NTRS | 2018

    STMD: Nuclear Thermal Propulsion Update

    Mitchell, Sonny / Johnson, Les | NTRS | 2019

    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

    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