Macey Sandford, University of Hawaii at Manoa, Honolulu, HI, United States, David R Thompson, Jet Propulsion Laboratory, Pasadena, CA, United States, Abigail Fraeman, California Institute of Technology, Pasadena, CA, United States, Bethany L Ehlmann, California Institute of Technology, Geological and Planetary Sciences, Pasadena, CA, United States, Didier Keymeulen, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Robert O Green, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Paul G Lucey, Hawaii Inst Geophys & Planetol, Honolulu, HI, United States