Manuel Martin-Neira, Martin Suess, Nikos Karafolas, Petri Piironen, François Deborgies, European Space Agency, Netherlands; Albert Catalan, Roger Vilaseca, José Montero, Montserrat Puertolas, Diego Outumuro, TRYO Aeorospace, Spain; Ignasi Corbella, Israel Durán, Nuria Duffo, Polytechic University of Catalonia, Spain; Roberto Materni, Saphyrion Sagl, Switzerland; Teresa Mengual, Miguel Angel Piqueras, DAS Photonics, Spain; Ana Olea, Andrés Solana, Josep Closa, Albert Zurita, Juan Ignacio Ramírez, Airbus Defence and Space, Spain; Olav Breinbjerg, Jeppe Majlund Bjørstorp, Kyriakos Kaslis, Steen S Kristensen, Technical University of Denmark, Denmark; Roger Oliva, Raúl Onrubia, Zenithal Blue Technologies, Spain; Adriano Camps, Jorge Querol, MITICS, Spain