Dr. Jerome Morio is a research engineer at Onera, the French Aerospace Lab, based in the System Design and Performance Evaluation department. He obtained a Ph.D. degree in physics from the University Aix-Marseille Paul Cézanne (France) in 2007 and defended his habilitation to supervise research in 2013. He is also a lecturer at ISAE and ENAC in probability and statistics. His main research interests include rare event probability estimation, sensitivity analysis, and uncertainty management. Dr. Mathieu Balesdent is a Research Engineer at Onera the French Aerospace Lab, since 2011 in the System Design and Performance Evaluation department. He obtained a Ph.D. degree in Mechanical Engineering from the "Ecole Centrale de Nantes" (France) in 2011. His main research interests include rare event probability estimation, reliability based and multidisciplinary optimisation, and aerospace vehicle design. He is also a regular referee for several international conferences and journals such as the American Institute of Aeronautics and Astronautics.