Roger Oliva, Raul Onrubia, Zenithal Blue Technologies, Spain; Antonio Martellucci, Elena Daganzo-Eusebio, European Space Agency, Netherlands; Flavio Jorge, Eurepoean Space Agency, Netherlands; Stephen English, Patricia de Rosnay, Peter Weston, European Centre for Medium-Range Weather Forecast, United Kingdom; Jose Barbosa, Ioannis Nestoras, Research and Development in Aerospace GmbH, Switzerland