CSG-4 is an Earth observation satellite for the Italian Space Agency, part of a reconnaissance constellation using synthetic aperture radars operating in the X-band. June 30, 2027 at 00:00 UTC · To Be Determined Vega-C — Avio S.p.A, to Sun-Synchronous Orbit Ariane Launch Area 1 (ELV), Guiana Space Centre, French Guiana Data: Launch Library 2, The Space Devs. Image by ESA/CNES/Arianespace/Optique vidéo du CSG–S. Martin (ESA Standard Licence) via The Space Devs.