SES-17 is a Ka-band high-throughput geostationary communications satellite built by Thales Alenia Space designed to provide mobile internet services to airline passengers over the Americas and the Atlantic Ocean. Syracuse 4A is a French military communications satellite built by Thales Alenia Space.
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