Syracuse 4B is a French military communications satellite built by Thales Alenia Space. Ovzon-3 is a small geostationary communications satellite built by Maxar and designed to provide mobile broadband services for Swedish company Ovzon AB.
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.INFO WIKI