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Program: EOS

Earth Observing System

The Earth Observing System is a multi-mission program with the objective of acquiring the geophysical, chemical, and biological information necessary for intense study of planet Earth. A scientific research effort is underway to ensure that the planning and execution of the mission fulfills its intended purpose. An EOS data and information system will build up over 10 years and then function for at least 20 years to allow accurate modeling of the processes that control the environment.

The Earth Observing System (EOS) program involves the operation of numerous instruments on multiple spacecraft placed in polar and mid-inclination orbits in support of multiple disciplines within the Earth science user community. The EOS mission is composed of several series of flights beginning with the EOS AM-1 flight from the AM series. The other EOS series include PM, LALT (Laser Altimetry), and CHEM (Chemistry) flights. Each spacecraft with exception of LALT has a projected lifetime of 5 years with operational goal of 6 years. The Canadian Space Agency (CSA), the European Space Agency (ESA) and the Ministry of International Trade Industry (MITI) of Japan are planning Earth observing missions that complement the National Aeronautics and Space Administration (NASA) program. In addition, they are also supplying instruments on selected EOS flights.

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