Martin Unwin, Peter Garner, Lily Rose, Reynolt de Vos van Steenwijk, Surrey Satellite Technology Ltd, United Kingdom; Nazzareno Pierdicca, Davide Comite, Sapienza University of Rome, Italy; Estel Cardellach, Weiqiang Li, Institute of Space Sciences, ICE (IEEC-CSIC), Spain; Leila Guerriero, Laura Dente, Tor Vergata University of Rome, Spain; Giuseppe Foti, Matthew Hammond, National Oceanography Centre, United Kingdom; Emanuele Santi, Institute of Applied Physics (IFAC), Italy; Paul Blunt, University of Nottingham, United Kingdom; Kimmo Rautiainen, Finnish Meteorological Institute, Finland; Jean-Pascal Lejault, Maria Paola Clarizia, Massimiliano Pastena, European Space Agency, Netherlands