Sentinel-3B on track

The Rockot upper stage holding the Copernicus Sentinel-3B satellite on its way from the Plesetsk cleanroom facilities to the launch pad. Sentinel-3B is scheduled for liftoff on 25 April 2018. Its identical twin, Sentinel-3A, has been in orbit since February 2016. The two-satellite constellation offers optimum global coverage and data delivery for Europe’s Copernicus environment programme.