Skynet 5D is a military communications satellite operated by Astrium Services on behalf of the British Ministry of Defence. It operates in a geostationary orbit at 25 degrees East. Mexsat-3 is part of the MEXSAT telecommunications network and occupies 114.9 degrees West. It provides broadband, high quality telephony and much more for Mexico.
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