Thomas Bristow¹, Elizabeth B Rampe², John P Grotzinger³, Valerie K Fox⁴, Kristen A Bennett⁵, Albert Yen⁶, Richard C Walroth¹, Ashwin R Vasavada⁶, David Vaniman⁷, Valerie Tu⁸, Allan H Treiman⁹, Michael Thorpe¹⁰, Shaunna M Morrison¹¹, Richard V Morris², Douglas W Ming², Amy McAdam¹², Charles Malespin¹³, Paul R Mahaffy¹², Robert Hazen¹¹, Sanjeev Gupta¹⁴, Robert T Downs¹⁵, Gordon Downs¹⁶, David Des Marais¹⁷, Joy A Crisp¹⁸, Patricia Craig¹⁹, Steve Chipera²⁰, Nicholas Castle²¹, David Frederick Blake¹ and Cherie Achilles¹³, (1)NASA Ames Research Center, Moffett Field, CA, United States, (2)NASA Johnson Space Center, Houston, TX, United States, (3)Caltech, Pasadena, CA, United States, (4)California Institute of Technology, Pasadena, United States, (5)Arizona State University, Tempe, AZ, United States, (6)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (7)Planetary Science Institute, Tuscon, CA, United States, (8)Jacobs at NASA Johnson Space Center, Houston, United States, (9)Lunar & Planetary Inst, Houston, TX, United States, (10)NASA JSC, Houston, TX, United States, (11)Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States, (12)NASA Goddard SFC, Greenbelt, MD, United States, (13)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (14)Imperial College London, Earth Science and Engineering, London, United Kingdom, (15)University of Arizona, Tucson, AZ, United States, (16)University of Arizona, Tucson, United States, (17)NASA Ames, Mountain View, CA, United States, (18)Jet Propulsion Laboratory, Pasadena, CA, United States, (19)Planetary Science Institute Tucson, Tucson, United States, (20)Chesapeake Energy, Oklahoma City, OK, United States, (21)Lunar and Planetary Institute, Houston, TX, United States