Sentinel-1 is a polar-orbiting, all-weather, day-and-night radar imaging mission for land and ocean services. The first Sentinel-1 satellite was launched on a Soyuz rocket from Europe's Spaceport in French Guiana on 3 April 2014. This collection groups both the SAR Level-0 products and SAR Level-1 that includes the Single Look Complex (SLC), Ground Range Detected (GRD) products. Level-2 Ocean (OCN) products for retrieved geophysical parameters of the ocean are also part of this collection.