An Ariane 5 ECA launch vehicle successfully launched the Japansese commercial communications satellite JCSAT-13 along with the Vietnamese communications satellite Vinasat 2 at 2213 GMT on 15 May 2012 from the Kourou launch site in French Guiana.  

Both satellites, which are to be finally placed in geostationary Earth orbit (GEO), used versions of hte A2100 bus design built by Lockheed Martin Commercial Space Systems.