The Eole airbornedemonstrator, the development of which is being coordinated by Onera, is part of the Perseus student program, Cnes being the contracting authority. The model of the Eole airborne launching demonstrator in the throat of the L2 wind tunnel at the Lille center. The Eole airbornedemonstrator, the development of which is being coordinated by Onera, is part of the Perseus student program, Cnes being the contracting authority