NASA's Orbital Debris Conjuction Assessment and Collision Avoidance Strategy
Alternative Approach to Human Servicing of Crewed Earth Orbiting Spacecraft
Design and Performance Criteria for Inflatable Structures in Space
Photovoltaics Using In Situ Resource Utilization for HEDS
The Virtual Beanstalk Project for a Near Space Elevator
Physical Transportation on the Moon: The Lunar Railroad
The NASA Reusable Launch Vehicle Technology Program
Reconfigurable Space Manipulator for In-Orbit Servicing
Lunar Resource Utilization: The Production of Lunar Oxygen
Welding in space and related technologies
Commercial Crew Program and Orion/SLS Updates
Bigelow Expandable Activity Module (BEAM) Monitoring System
Radiation Effects and Protection for Moon and Mars Missions
System Engineering and Technical Challenges Overcome in the J-2X Rocket Engine Development Project
Effect of the Lunar Seismic Environment on a Moon-Based Optical Interferometer
Advancement of Humans in Space