1. Augenstein, B. W., Harris, E. D., with Aroesty, J., Blumenthal, L., Brooks, N., Frelinger, D., Garber, T., Gottenmoeller, R., Hiland, J., Liu, S. K., Pace, S., Rosen, J., Rowell, L., and Stucker, J. “The National Aerospace Plane (NASP): Development Issues for the Follow-on Vehicle, Executive Summary,” RAND, R3878/1-AF, Santa Monica, CA, 1993.