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Forty eight years ago this week, a team of scientists and engineers successfully launched Explorer 1, the first U.S. satellite to orbit around Earth. This historic accomplishment marked the nation's debut in the Cold War-era space race and set the stage for the establishment of the civilian space agency that would become NASA
http://www.southgatearc.org/news/february2006/first_us_satellite.htm
http://www.southgatearc.org/news/february2006/first_us_satellite.htm