9:45 AM - 10:00 AM
*Craig J. Pollock1, Barbara L. Giles1, Yoshifumi Saito2, William Matthaeus3, Roy Torbert4,5 (1.NASA Goddard Space Center, 2.Solar System Science Division, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.University of Delaware, 4.University of New Hampshire, 5.Southwest Research Institute)