Utilization of ground-based guidance systems to supplement onboard guidance of space vehicles.
The design of a large angle three-axis attitude servomechanism for spacecraft.
Systems engineering, manned space flight.
Some recent results in aerospace vehicle trajectory optimization techniques.
Resources on the moon - Implications for manned lunar missions
Optimum transversal contour of a lifting body at hypersonic speeds.
Inflatable solar shields for cryogenic space vehicles.
Effect of small bending stiffness on deformation of inflated structures.
Deployable elements of the orbiting geophysical observatories.
Current spacecraft development