Falcon 9 B5 • CSG 3

Falcon 9 B5 • CSG 3

A SpaceX Falcon 9 Block 5 rocket will launch the COSMO-SkyMed Seconda Generazione 3, or CSG 3, radar surveillance satellite for ASI, the Italian space agency. The mission was switched from Vega C to Falcon 9 in 2025. The Falcon 9 booster is designated as B1081.21 for this flight and will perform a RTLS landing at LZ-4. - CSG 3 is the third satellite of the COSMO-SkyMed second generation (Constellation of Small Satellites for Mediterranean basin observation) or CSG Earth observation program of the Italian Space Agency (ASI) to replace the first generation COSMO-SkyMed system. The 2205kg satellites are improved versions of the original design and utilize an enhanced version of the Prima Bus. The CSG-SAR (Synthetic Aperture Radar) is a new version of the first generation X-band SAR system. The satellites will operate in the same circular sun-synchronous dawn-dusk orbit and plane as the first generation satellites with a nominal altitude of 619km and an inclination of 97.86°. - Scrubbed on Dec. 28 and 29. Webcast: https://x.com/i/broadcasts/1dRKZaOaYyaxB https://www.spacex.com/launches/cosmo-skymedfm3 https://youtu.be/6_0BDH2QK7M https://spaceflightnow.com/2025/12/27/live-coverage-spacex-to-launch-italian-earth-observation-satellite-on-final-falcon-9-flight-of-2025/ https://www.youtube.com/live/Jl2UBK2Q7hc https://www.youtube.com/live/4i54ZGa70eE

📍 Vandenberg AFB Space Launch Complex 4, Lompoc, Kalifornien 93436, USA

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