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Sources
kevinforsyth.net
To Reach the High Frontier: A History of U.S. Launch Vehicles
"A valuable contribution to the field of aerospace literature," this book includes an extensive overview of Delta history and development along with chapters on Atlas, Titan, Scout, Space Shuttle, and much more.
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Many other excellent books about spaceflight are recommended here.
31-Jan-02 | EO-1 mission extension
Earth Observing-1 (Delta 282) completed its primary mission in November 2001, but thanks to an agreement with the U.S. Geological Survey, it will remain active through at least February 2002. By selling EO-1’s image data to the research and applications community, USGS will cover operational, data processing, and customer interface costs. After February, the program will be extended on a month-by-month basis, depending on user demand for the data. The spacecraft retains about three years worth of stationkeeping propellant, and barring any hardware failures could survive into 2005.