The second satellite of the Sentinel-1 mission, Sentinel-1B, was successfully launched from Europe's Spaceport in French Guiana on April 22, 2016.
ISRO to Launch DMC3 Earth-Observation Constellation
The Indian Space Research Organisation (ISRO) is slated to launch its heaviest commercial load on July 10, 2015, with a payload of five satellites made up of the DMC3 constellation of optical Earth-observation satellites as well as two others aboard a PSLV-XL rocket from the Sriharikota spaceport in Andhra Pradesh.