Thomas Kanitz, Denny Wernham, Emilio Alvarez, Georgios Tzeremes, European Space Agency (ESA-ESTEC), Netherlands; Tommaso Parrinello, European Space Agency (ESA-ESRIN), Italy; Jon Marshall, John Brewster, Airbus Stevenage, United Kingdom; Olivier Lecrenier, Marc Schillinger, Airbus Toulouse, France; Valeria De Sanctis, Alessandro D'Ottavi, Leonardo Pomezia, Italy; Oliver Reitebuch, Fabian Weiler, Oliver Lux, German Aerospace Center (DLR) Oberpfaffenhofen, Germany; Michael Rennie, Lars Isaksen, European Centre for Medium-Range Weather Forecast, United Kingdom