NOAA, Japan Establish Navigation Satellite Ground Station in Guam Officials from the National Oceanic and Atmospheric Administration and the Japan Aerospace Exploration Agency (JAXA) unveiled a new ground station in Guam that will track spacecraft from JAXAs upcoming Quasi-Zenith Satellite System. The Quasi-Zenith Satellite System, designed to work seamlessly with the U.S. Global Positioning System, is a JAXA effort to improve navigation satellite coverage over Japan and surrounding areas. The first QZSS satellite is expected to launch in 2010.