The IGS Radar 1 & Optical 1 (Intelligence Gathering Satellite) are Japanese radar and optical reconnaissance satellites. The satellites are operated by the Cabinet Satellite Information Center. The satellites serve both Japan's national defense and civil natural disaster monitoring.
Sun-Synchronous OrbitThe U.S. Air Force Space Command operates 10 Phase III DSCS satellites providing defense officials and battlefield commanders secure voice and high rate data communications. The DSCS III system also transmits space operations and early warning data to various systems and users.
Geostationary Transfer OrbitUSA-166, also known as GPS IIR-8 and GPS SVN-56, is an American navigation satellite which forms part of the Global Positioning System. It was the eighth Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall.
Medium Earth OrbitSTS-107 was the 113th flight of the Space Shuttle program, and the disastrous final flight of Space Shuttle Columbia. The mission launched from Kennedy Space Center in Florida on January 16, 2003, and during its 15 days, 22 hours, 20 minutes, 32 seconds in orbit conducted a multitude of international scientific experiments.
Low Earth OrbitThe Coriolis / Windsat / SMEI three-year mission will provide Defense Department and National Oceanic and Atmospheric Administration (NOAA) weather data users with important ocean wind and solar wind measurements -- improving forecasting around the globe while building important knowledge that will be used in developing the next generation of Polar-orbiting environmental satellites.
Sun-Synchronous Orbit