With its constellation of Astra spacecraft, Société Européenne des Satellites (SES) of Luxembourg is delivering analog as well as digital television and radio services across Europe. Hughes Space and Communications Company (HSC) was building a series of Hughes 601 and Hughes 601HP body-stabilized model spacecraft for SES in its facilities in El Segundo, Calif.
The Ariane 4 was an expendable space launch system, developed by the Centre national d'études spatiales (CNES), the French space agency, for the European Space Agency (ESA). It was manufactured by ArianeGroup and marketed by Arianespace. Since its first flight on 15 June 1988 until the final flight on 15 February 2003, it attained 113 successful launches out of 116 total launches.
Aérospatiale was a French state-owned aerospace manufacturer that built both civilian and military aircraft, rockets and satellites. It was originally known as Société nationale industrielle aérospatiale (SNIAS). Its head office was in the 16th arrondissement of Paris. The name was changed to Aérospatiale during 1970.WIKI