MTG-I1 is the first of EUMETSAT's third generation of weather satellite. 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 ECA+ is a variant of the Ariane 5 heavy-lift vehicle, with a taller ECA-D upper stage.
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