TOKYO (JAXA PR) — Synspective Inc., (Head Office: Koto Ward, Tokyo, CEO: Dr. Motoyuki Arai) and the Japan Aerospace Exploration Agency (JAXA) (Headquarters Office: Chofu City, Tokyo; President: Hiroshi Yamakawa, hereinafter referred to as “JAXA”) have started co-creation activities under the “JAXA Space Innovation through Partnership and Co-creation (J-SPARC)” for the “Social Implementation of Disaster Situation Monitoring Services Using a Small SAR (Synthetic Aperture Radar) Satellite Constellation.” In this program, we will demonstrate the improvement of analysis accuracy by using SAR constellation to analyze Saga torrential rain as a case study, and demonstrate the improvement of SAR onboard satellite performance.