The Estel Community Project - Pierfrancesco Marsiaj Estel Conference, an overview. The Estel Community - Paolo Dalla Chiara Security and Privacy in Emerging Aerospace Scenarios - Pierangela Samarati GNSS and Positioning for the Future - Kai Borre Satellite Technology and international cooperation are a key answer towards the international crisis. Giuliano Berretta Environment and climate: The space perspective - Simonetta Cheli 
