When President Kennedy announced Project Apollo, the United States was locked in a global ideological conflict with the Soviet Union. But how did the idea of a Moon shot come to be the answer to a political problem? And why did it happen when it did? Dr. Roger Launius, former Chief Historian of NASA and currently the Principal at Launius Historical Services, explains why Apollo happened and where it came from. His latest book, Apollo's Legacy: Perspectives on the Moon Landings is available now. Hear additional episodes and learn more here: http://www.planetary.org/explore/space-topics/space-missions/apollo-50-years.html

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