Catherine Johnson^1,2, Anna Mittelholz³, Benoit Langlais⁴, Christopher T Russell⁵, Veronique Ansan⁶, Donald J Banfield⁷, Peter J Chi⁵, Matthew O. Fillingim⁸, Francois Forget⁹, Heidi Fuqua Haviland¹⁰, Steven P Joy⁵, Xinping Liu¹¹, Chloe Michaut¹², Lu Pan¹³, Aymeric Spiga⁹, Sabine Stanley¹⁴, Mark A Wieczorek¹⁵, Yanan Yu⁵, Suzanne E Smrekar¹⁶ and William Bruce Banerdt¹⁷, (1)University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (2)Planetary Science Institute, Tucson, United States, (3)University of British Columbia, Department of Earth, Ocean and Atmospheric Science, Vancouver, BC, Canada, (4)Lab Planetologie Geodynamique, Nantes, France, (5)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States, (6)LPGN Laboratoire de Planétologie et Géodynamique de Nantes, Nantes Cedex 03, France, (7)Cornell University, Center for Radiophysics and Space Research, Ithaca, NY, United States, (8)University of California, Berkeley, CA, United States, (9)Laboratoire de Météorologie Dynamique UPMC, Paris, France, (10)UC Berkeley, Space Sciences Lab, Berkeley, CA, United States, (11)University of California Los Angeles, Los Angeles, United States, (12)Ecole Normale Supérieure Lyon, Lyon, France, (13)LGLTPE Laboratoire de Géologie de Lyon : Terre, Planètes et Environnement, Villeurbanne Cedex, France, (14)University of Toronto, Toronto, ON, Canada, (15)Observatoire de la Côte d'Azur, Nice, France, (16)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (17)Jet Propulsion Laboratory, Pasadena, CA, United States