The COSMIC Data Analysis and Archival Center (CDAAC) at the University Corporation for Atmospheric research has processed space based GNSS radio occultation, ionospheric, and other remote sensing data for nearly two decades. The CDAAC is undergoing significant development in preparation for operational data processing of the COSMIC-2 constellatio (Constellation Observing System for Meteorology, Ionosphere, and Climate). Key enhancements include geographically separated data management, processing, and archive systems, end-to-end GNSS (GPS+GLONASS) capabilities, upgraded GNSS ground infrastructure, and low latency processing and product generation. This presentation gives an overview of major enhancements, current development status, and expected milestones to launch. We also review the status of existing radio occultation missions, including COSMIC-1, Kompsat-5 (Korea Multi-Purpose Satellite), MetOp (Meteorological Operational Satellite Program of Europe), and other missions of opportunity. Finally, we discuss a project to deploy new terrestrial GNSS receivers to collect measurements and navigation data in support of radio occultation processing.