1–50 of 165 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 | 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

      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

    Solar Sails

    Johnson, Les | NTRS | 2016

    Using Nuclear Thermal Propulsion to Help Enable the Exploration and Development of Space

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

    Near Earth Asteroid Scout

    Johnson, Les | NTRS | 2015

    Solar Sail Propulsion for Interplanetary Cubesats

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

    Electric Sail Propulsion for Exploring Nearby Interstellar Space

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

    Earth to Orbit Beamed Energy Experiment (EBEX)

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

    Near-Earth Asteroid Scout

    McNutt, Leslie / Johnson, Les / Clardy, Dennon et al. | NTRS | 2014

    Implementation Options for the PROPEL Electrodynamic Tether Demonstration Mission

    Bilen, Sven G. / Johnson, Les / Gilchrist, Brian E. et al. | NTRS | 2014

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

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

    Near-Earth Asteroid (NEA) Scout

    McNutt, Leslie / Johnson, Les / Kahn, Peter et al. | NTRS | 2014

    Reduction of Martian Sample Return Mission Launch Mass with Solar Sail Propulsion

    Russell, Tiffany E. / Heaton, Andy F. / Young, Roy et al. | NTRS | 2013

      Reduction of Martian Sample Return Mission Launch Mass with Solar Sail Propulsion

      Russell, Tiffany E. / Heaton, Andrew / Thomas, Scott et al. | NTRS | 2013

    Lightweight Integrated Solar Array (LISA): Providing Higher Power to Small Spacecraft

    Johnson, Les / Carr, John / Fabisinski, Leo et al. | NTRS | 2015

    Multiple NEO Rendezvous Using Solar Sails

    Johnson, Les / Alexander, Leslie / Fabisinski, Leo et al. | NTRS | 2012

    The PROPEL Electrodynamic Tether Mission and Connecting to the Ionosphere

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

    Multiple NEO Rendezvous Using Solar Sail Propulsion

    Johnson, Les / Alexander, Leslie / Fabisinski, Leo et al. | NTRS | 2012

    Near Earth Asteroid Scout: Exploring Asteroid 1991VG Using A Smallsat

    Johnson, Les / Castillo-Rogez, Julie / Lockett, Tiffany | NTRS | 2019

    Electrostatic Solar Sail: A Propellantless Propulsion Concept for an Interstellar Probe Mission

    DeStefano, Anthony M. / Wiegmann, Bruce M. / Bangham, Mike et al. | NTRS | 2019

    The Challenge of In Space Propulsion

    Johnson, Les / Percy, Tom | NTRS | 2018

    Technology Area Roadmap for In-Space Propulsion Technologies

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

    Roadmap for In-Space Propulsion Technology

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

    Solar and Drag Sail Propulsion: From Theory to Mission Implementation

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

    Near-Earth Asteroid Scout Mission

    Heaton, Andrew / Castillo-Rogez, Julie / Frick, Andreas et al. | NTRS | 2014

    New Moon Explorer (NME) Robotic Mission Concept

    Dervan, Jared A. / Johnson, Les / McNutt, Leslie et al. | NTRS | 2018

    Technology Area Roadmap for In Space Propulsion Technologies

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