Galactic Cosmic Ray Shielding Using Spherical Field-Reversed Array of Superconducting Coils
The Distinction between an Interplanetary Vehicle and a Mars Surface Habitat
Optimization of Logistics Strategies for Long-Duration Space-Station Operation
Why NASA Needs to Continue Current Funding for the International Space Station
The NASA-STA Cooperative Space Tourism Study
Helical Anchors for Combined Anchoring and Soil Testing in Lunar Operations
Observability Criteria and Unobservable Maneuvers for In-Orbit Bearings-Only Navigation
Concrete — A Practical Construction Material for Mars
A Lunar Frontier: Comprehending Life on a Celestial Body
The Moon Within Our Grasp: A Strategy for Renewing Human Exploration of the Moon
Private Space Exploration Is Here: Are You On-Board?
Planning an International Moon Mission: Lessons Learned
The Space Exploration Initiative: Its Failure and Lessons for the Future
A Comparison of Alternative Methods for the Mars Sample Return Mission
Artificial Gravity Swimming Pool
Time-Optimal Path Parameterization of Rigid-Body Motions: Applications to Spacecraft Reorientation
Station Mir— The First Hotel for Space Tourists
Continuing Development of the NASA Human Mars Mission Design
Johnson Space Center Crew Return Vehicle Activities