NOAA-21, designated JPSS-2 prior to launch, is the second satellite in National Oceanic and Atmospheric Administration 's latest series of U.S. polar-orbiting, non-geosynchronous, environmental satell

The Visible Infrared Imaging Radiometer Suite is a sensor designed and manufactured by the Raytheon Company on board the polar-orbiting Suomi National Polar-orbiting Partnership, NOAA-20, and NOAA-21