Design and Performance Criteria for Inflatable Structures in Space
First Mars Outpost Architectural Study
The NASA Reusable Launch Vehicle Technology Program
A Concept of Driving on Orbital Station
The Distinction between an Interplanetary Vehicle and a Mars Surface Habitat
Concrete — A Practical Construction Material for Mars
The Moon Within Our Grasp: A Strategy for Renewing Human Exploration of the Moon
Planning an International Moon Mission: Lessons Learned
The Space Exploration Initiative: Its Failure and Lessons for the Future