Next imaging satellite under European Copernicus program is scheduled for 14th April 2016. Copernicus is program under European Space Agency for achieving fully independent Earth observation and monitoring constellation of satellites. Various types of satellites are utilized under this program: optical imaging, radar imaging, weather and geophysics. Sentinel-1B is radar imaging satellite, second from Sentinel-1 series. Based on Prima bus with operational life at seven years is manufactured by Thales Alenia Space. Equipped with C band synthetic aperture radar, satellite will be powered by two deployable solar arrays or onboard battery. Weighing 2280 kg satellite will be launched on atop of Soyuz-2.1a rocket, modified Soyuz-2 for launching from Guiana Space Center. Soyuz-2.1a is equipped with digital flight control and telemetry systems. It gives possibility to launch rocket from a fixed launch platform and utilizing larger payload fairing for bigger commercial satellites. Launch postponed for 23rd April 2016 due the poor weather and delayed for next 24 hours due weather conditions. Launch postponed to 25th April 2016.