1–50 of 155 hits
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    Using Nuclear Thermal Propulsion to Help Enable the Exploration and Development of Space

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

    The Propulsive Small Expendable Deployer System Experiment

    Johnson, Les / Estes, Robert D. / Lorenzini, Enrico et al. | NTRS | 1999

    The PROPEL Electrodynamic Tether Mission and Connecting to the Ionosphere

    Gilchrist, Brian / Bilen, Sven / Hoyt, Rob et al. | NTRS | 2012

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

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

    The Interstellar Conspiracy

    Johnson, Les / Matloff, Gregory L. | NTRS | 2005

    The Heliopause Electrostatic Rapid Transit System (HERTS)

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

    The Challenge of In Space Propulsion

    Johnson, Les / Percy, Tom | NTRS | 2018

    Tether Transport System Study Summary Performed under Contract to Marshall Space Flight Center

    Vonderwell, Dan / Bangham, Mike / Dionne, Heather et al. | NTRS | 1998

    Technology Area Roadmap for In-Space Propulsion Technologies

    Johnson, Les / Meyer, Michael / Palaszewski, Bryan et al. | NTRS | 2012

    Technology Area Roadmap for In Space Propulsion Technologies

    Johnson, Les / Meyer, Michael / Palaszewski, Bryan et al. | NTRS | 2011

    Technology Area Roadmap for In Space Propulsion Technologies

    Johnson, Les / Meyer, Mike / Coote, David et al. | NTRS | 2010

    STMD: Nuclear Thermal Propulsion Update

    Mitchell, Sonny / Johnson, Les | NTRS | 2019

    Status of Solar Sail Technology Within NASA

    Johnson, Les / Young, Roy / Montgomery, Edward et al. | NTRS | 2010

    Status of Solar Sail Propulsion: Moving Toward an Interstellar Probe

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006

    Space Transportation Systems Using Tethers

    Johnson, Les / Estes, Robert / Lorenzini, Enrico | NTRS | 1997

    Spacecraft Solar Sails Containing Electrodynamic Tethers

    Johnson, Les / Matloff, Greg | NTRS | 2005

    Solar Sails for Spacecraft Propulsion

    Johnson, Les | NTRS | 2016

    Solar Sails

    Johnson, Les | NTRS | 2018

    Solar Sails

    Johnson, Les | NTRS | 2018

    Solar Sails

    Johnson, Les | NTRS | 2016

    Solar Sail Propulsion Status

    Johnson, Les | NTRS | 2019

    Solar Sail Propulsion for Small Spacecraft

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

    Solar Sail Propulsion for Interplanetary Cubesats

    Johnson, Les / Sobey, Alex / Sykes, Kevin | NTRS | 2015

    Solar Sail Propulsion for Interplanetary CubeSats

    Johnson, Les / Cohen, Barbara / McNutt, Leslie et al. | NTRS | 2015

    Solar Sail Propulsion

    Johnson, Les | NTRS | 2018

    Solar Sail Propulsion

    Johnson, Les | NTRS | 2011

    Solar Sailing

    Johnson, Les | NTRS | 2009

    Solar Sailing

    Johnson, Les / Montgomery, Edward E. / Young, Roy et al. | NTRS | 2008

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

    Johnson, Les / Alhorn, Dean / Boudreaux, Mark et al. | NTRS | 2014

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

    Johnson, Les / Alhorn, Dean / Boudreaux, Mark et al. | NTRS | 2014

    Selection and Prioritization of Advanced Propulsion Technologies for Future Space Missions

    Eberle, Bill / Farris, Bob / Johnson, Les et al. | NTRS | 2002

    Roadmap for In-Space Propulsion Technology

    Meyer, Michael / Johnson, Les / Palaszewski, Bryan et al. | NTRS | 2012

    Roadmap for In-Space Propulsion Technology

    Meyer, Michael / Johnson, Les / Palaszewski, Bryan et al. | NTRS | 2012

    Recent Advances in Solar Sail Propulsion at NASA

    Johnson, Les / Young, Roy M. / Montgomery, Edward E., IV | NTRS | 2006

    Realistic Interstellar Travel

    Johnson, Les | NTRS | 2016

    Propulsive Small Expendable Deployer System (ProSEDS) Space Experiment

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

    Propulsive Small Expendable Deployer System (ProSEDS) Experiment

    Johnson, Les / Estes, Robert / Lorenzini, Enrico et al. | NTRS | 1999