1. Johns Hopkins University, Applied Physics Laboratory, Laurel, MD
2. Department of Geology, University of Maryland, College Park, MD
3. Department of Astrophysical & Planetary Sciences and Laboratory for Atmospheric & Space Physics, University of Colorado, Boulder, CO
4. Arizona State University, School of Earth and Space Exploration, Tempe, AZ
5. Lunar Planetary Institute, Houston, TX
6. Planetary Science Institute, Dallas, TX
7. University of California, Los Angeles, Dept. Earth, Planetary, and Space Sciences, Institute for Planets & Exoplanets, Los Angeles, CA
8. Marshall Space Flight Center, Huntsville AL
9. Albion College, Albion, MI