1. Pacific Defense Solutions, Kihei, Hawaii 96753
2. Department of Mechanical and Aerospace Engineering, University at Buffalo, State University of New York, Amherst, New York 14260
3. Boeing LTS, Colorado Springs, Colorado 80919
4. Department of Civil, Environmental and Geomatic Engineering, University College London, London, England WC1E 6BT, United Kingdom
5. U.S. Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117