 Throughout the 1970s, the company strengthened and grew its position within the aerospace sector, which has been viewed as a core business of Matra.one such company was the electrical equipment manufacturer "Electronique Moderne de l’Oise", which became "Matra Électronique" following its acquisition during 1975.That same year, National Centre for Space Studies (CNES) and the European Space Agency (ESA) awarded a contract to Mantra for the loading bay of the new Ariane expendable launch system.