 Regarding guidance, navigation and control (GNC) systems, mention should be made of projects such as the Attitude and Orbit Control System (AOCS) for the Herschel and Plank scientific satellites or the project as prime contractor for the Proba-3 space mission.This activity is complemented by projects carried out by NTE-SENER, company owned by SENER, specializing – as far as the Space sector is concerned - in developing life support projects, such as the European Space Agency's MARES or MELISSA programs.In Aeronautics and Vehicles, the company delivers detail designs for automotive vehicles as well as of complex tooling facilities for aeronautical production lines.