In coordination with the EC as part of the Copernicus constellation for Earth observation in Europe, the second Sentinel-3 satellite will be launched in 2018, date tbc.
The second node of the European Data Relay System, which will enable near-realtime data transfer to the ground from low-orbiting satellites using cutting-edge laser technology. It will be launched on an Ariane 5 rocket in the first half of 2018(exact date tbc).
As part of ESA's scientific Earth observation mission series, ESA's wind mission will be launched on a Vega rocket. ADM-Aeolus will be the first ever satellite to deliver wind profiles on a global scale and on a daily basis. The launch is scheduled for 2018 (exact date tbc).