Jakob R. de Lasson, Cecilia Cappellin, TICRA, Denmark; Maurizio Lori, HPS, Germany; Alexander Geise, Christian Hunscher, Airbus, Germany; Leri Datashvili, Nikoloz Maghaldadze, LSS, Germany; Jean-Christophe Angevain, Martin Suess, Alexander Ihle, Gonçalo Rodrigues, ESA-ESTEC, Netherlands