David Smitherman2020 — An Artificial Gravity Concept for the Mars Transit VehicleSeptember 4, 2020Sep 20, 2021Sep 20, 2021
David Smitherman2020 — Concepts for Phased Development of a Lunar Surface BaseAugust 3, 2020Sep 20, 2021Sep 20, 2021
David Smitherman2020 — Gateway Lunar Habitat Modules as the Basis for a Modular Mars Transit HabitatMarch 7, 2020Oct 1, 2021Oct 1, 2021
David Smitherman2018 — Research Possibilities Beyond Deep Space GatewayFebruary 28, 2018Oct 7, 2021Oct 7, 2021
David Smitherman2018 — Transit Habitat Design for Mars ExplorationSeptember 17, 2018Oct 1, 2021Oct 1, 2021
David Smitherman2017 — Safe Haven Configurations for Deep Space Transit HabitatsSeptember 12, 2017Oct 1, 2021Oct 1, 2021
David Smitherman2016 — Habitation Concepts for Human Missions Beyond Low-Earth-OrbitSeptember 13, 2016Oct 1, 2021Oct 1, 2021
David Smitherman2015 — Space Launch System Co-Manifested Payload Options for HabitationAugust 31, 2015Oct 1, 2021Oct 1, 2021
David Smitherman2014 — Habitat Concepts for Deep Space ExplorationAugust 4, 2014Oct 1, 2021Oct 1, 2021
David Smitherman2013 — A Comparison of a Solar Power Satellite Concept to a Concentrating Solar Power SystemSeptember 10, 2013Oct 1, 2021Oct 1, 2021
David Smitherman2013 — A Department of Space to Enable Human Spaceflight and the Future Settlement of SpaceJuly 8, 2013Oct 7, 2021Oct 7, 2021
David Smitherman2011 — Space Transportation Infrastructure Supported by Propellant DepotsSeptember 26, 2011Oct 1, 2021Oct 1, 2021
David Smitherman2009 — Strategies for Human Exploration Leading to the Human Colonization of SpaceSeptember 14, 2009Oct 1, 2021Oct 1, 2021
David Smitherman2006 — Architecture for a Mobile Lunar Base Using Lunar MaterialsJanuary 16, 2006Sep 21, 2021Sep 21, 2021
David Smitherman2005 — Hybrid Robotic Habitat for Lunar ExplorationJanuary 10, 2005Sep 21, 2021Sep 21, 2021
David Smitherman2005 — Critical Technologies for the Development of Future Space Elevator SystemsOctober 17, 2005Oct 1, 2021Oct 1, 2021
