OneWeb satellite constellation is intended to provide global Interned broadband service for individual consumers. The constellation is planned to have around 720 microsatellites, around 150 kg each, operating in Ku-band from low Earth orbit. Eventually it can be expanded to include extra 1260 satellites, for a total of 1980.
The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage. First launch took place from Plesetsk Cosmodrome Site 43 on 26 July 2008 with a classified military payload. The 2.1b/ST version is sometimes called Soyuz ST-B.
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