SES-2 and Arabsat 5C are geostationary communications satellites. SES-2 provides coverage over United States and the Carribbean, while Arabsat 5C covers Europe, Africa and the Middle East.
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
ArianeGroup (formerly Airbus Safran Launchers) is an aerospace company based in France. A joint venture between Airbus and Safran, the company was founded in 2015 and is headquartered in Issy-les-Moulineaux. It consists of three core arms: aerospace, defence and security.
INFO WIKI