Earth Fire Alliance Launches Operational FireSat Satellites Earth Fire Alliance launched its first three operational FireSat satellites, combining multispectral sensing with AI analysis to detect wildfires earlier and build a global dataset. The system, supported by Google Research, Muon Space, and fire agencies, aims to improve emergency response and climate-risk modeling. FireSat is a concrete applied-ML infrastructure milestone rather than another generic climate AI announcement. Earth Fire Alliance said its first three operational FireSat satellites reached orbit, moving the wildfire-detection constellation into initial operational capability. The system is designed to combine multispectral satellite sensing with AI-backed analysis so fire agencies and researchers can detect smaller fires earlier and build a more consistent global wildfire dataset. Google Research, Google.org, Muon Space, fire agencies, and philanthropic partners are part of the broader effort, with operational data expected to reach early adopters after checkout. For data-science teams, the significance is the arrival of a new high-frequency geospatial signal that could support emergency response, climate-risk modeling, and downstream wildfire analytics.