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"Aviation highlights from the late 1970s and 1980s include the Concorde supersonic jet and the first flight of the Lockheed F-117A Nighthawk stealth fighter. Read more about the efforts to conquer air and space."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/transport/flight/classic/conquer-air-and-space-timeline3.htm>