1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
2. Atmospheric Flight and Entry Systems Branch, NASA Langley Research Center, Hampton, Virginia 23681
3. Analytical Mechanics Associates, Inc., Hampton, Virginia 23666
4. College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon 97331
5. Malin Space Science Systems, San Diego, California 92191
6. Department of Space Studies, Southwest Research Institute, Boulder, Colorado 80302