The Inter-Agency Consultative Group (IACG) is comprised of members from the European Space Agency (ESA), Russian Space Agency (RSA), the Institute of Space and Astronautical Science (ISAS) in Japan, and the National Aeronautics and Space Administration (NASA) in the U.S. The IACG's current emphasis is to greatly enhance the scientific return among the members by the coordination of their fleet of recent and upcoming solar-terrestrial spacecraft. It has been decided that coordinated science campaigns with specific scientific objectives are the best way to accomplish the enhanced science return. Four campaigns have so far been defined.
The 1st campaign involves the study of magnetotail energy flow and dynamics. The initial campaign began with eleven science intervals, each from 1 to 4 days long, whose selection was based on specific locations of each spacecraft from predicted orbit calculations in October 1995 through January 1996. A large amount of data from these first eleven intervals has now been processed and are available for analysis. Data included in the campaign are from instruments on-board the Wind, Geotail, Interball, IMP-8, several geosynchronous spacecraft, and a number of ground-based instruments just to name a few data sources. A World-Wide-Web (WWW) site for the IACG is used extensively for data and information access (http://iacg.org) to all four campaigns.
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