The Copernicus Sentinel-1 mission is designed as a two-satellite constellation. Each satellite carries an advanced radar instrument to provide an all-weather, day-and-night supply of imagery of Earth’s surface.
The launch
Date: Sentinel-1A - 03 April 2014
Sentinel-1B - 25 April 2016
Sentinel-1C - 5 December 2024 Sentinel-1D - 4 November 2025
Site: Europe's Spaceport, French Guiana
Rocket: Sentinel-1A and -B on Soyuz
Sentinel-1C on Vega-C Sentinel-1D on Ariane 6
