Deodato Tapete, Giacomo Lazzeri, Italian Space Agency, Italy; Josè Antonio Gamèz Garcia, Sapienza University of Rome, Italy; Daniele Cerra, Claas Henning Köhler, Thomas Schwarzmaier, Emiliano Carmona Flores, Deutsches Zentrum fur Luft- und Raumfahrt (DLR), German Aerospace Center, Germany; Iulia Dana Negula, Florina Dediu, Cristina Stancu, Mirela Bivolaru, Daniel-Eugeniu Crunteanu, Romanian Space Agency, Romania