 Dassault Systèmes was to become a market leader in this field.In 1979 the French government took a 20% share in Dassault and established the Societé de Gestion de Participations Aéronautiques (SOGEPA) to manage this and an indirect 25% share in Aerospatiale (the government also held a direct 75% share in that company).In 1998 the French government transferred its shares in Dassault Aviation (45.76%) to Aerospatiale.