COSMIC-1: Taking radio signals from the GPS as they pass through Earth's atmosphere.

COSMIC-2: A revolutionary increase in the number of atmospheric and ionospheric observations.

Ground-based GPS: Generating near real-time estimates of atmospheric precipitable water-vapor.

Education and Outreach: Expanding the research in Radio Occultation.

Missions of Opportunity: Providing data to the Radio Occultation Community.

CDAAC: Processing raw Radio Occultation data into atmospheric profiles.

Science Applications: Improving weather forecasts, monitoring climate change, and enhancing space weather research.