Roberto Sabia, Telespazio-Vega for European Space Agency, Frascati, Italy, Aqeel Piracha, Barcelona Expert Centre, ICM-CSIC, Barcelona, Spain, Jessica Caughtry, European Space Agency, Frascati, Italy, Marlene Klockmann, Max Planck Institute for Meteorology, Hamburg, Germany and Diego Fernandez-Prieto, European Space Research Institute (ESRIN) - European Space Agency (ESA), Frascati, Italy