This paper focuses on COSMO SECONDA GENERAZIONE (CSG) satellite that, thanks to its outstanding performances and enhancements, both guarantees operational continuity to the currently operating COSMO-SkyMed "first generation", Ref. [1], and improves its performances and functionalities. The CSG programme is funded by the Italian Ministry of Research and Italian Ministry of Defence (I-MoD) and managed by the Italian Space Agency (ASI) in conjunction with I-MoD.

COSMO-SkyMed Seconda Generazione represents the follow-on mission of COSMO-SkyMed currently operating with the full constellation in orbit, characterized by the capability to guarantee operational continuity and all improvements in terms of architectural enhancements at both Ground Segment and Integrated Logistic Support and Operations segment level. By exploiting the peculiar characteristics of flexibility and expandability of the CSK system, CSG will preserve and enhance the ability of Customers and Users to fulfill their mandates [1]. The key words of CSG mission are: CSK mission follow-on, continuity of service, performance improvement, operative versatility and interoperability with external systems.

COSMO-SkyMed di Seconda Generazione (CSG) is the follow-on mission to COSMO-SkyMed first generation (CSK), assuring continuity of SAR observation services, while providing a significant enhancement of performance. CSG System introduces both technological and engineering improvements aimed to enhance the system operational aspects and the user services portfolio. Spacecraft technological improvements allow the introduction of new instrument operative modes (e.g. Quadpol, Squinted acquisitions on a Theatre scenario, DI2S Multi Swath) and the enhancement of the system performance. A major flexibility in the use of system resources has been introduced, allowing to exploit the system potentialities without introducing operational constraints (e.g. dynamic commutation capability of the instrument operative modes, very urgent service, last minute planning). Through specific user scenarios, the System capability to optimize the service requests management is highlighted. Moreover, even if CSG System is mainly conceived to optimize on-demand requests, it will be able to perform systematic acquisitions like pre-defined area coverage. CSG System is being designed to provide the capability at jointly operating with COSMO-SkyMed first generation and exhibiting a very challenging end-to-end system.