Dara Entekhabi, Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, Cambridge, MA, United States, Simon H Yueh, JPL, Pasadena, CA, United States, Peggy E O'Neill, NASA Goddard SFC, Greenbelt, MD, United States, Jared Keith Entin, NASA HQ - SMD, Washington, DC, United States and Mark Garcia, JPL/CalTech, Pasadena, CA, United States