John F. Kennedy was then promising to do considerably more by the end of the 1960s than put a man on the moon. In a graduation speech to the U.S. Air Force Academy in Colorado Springs, then less than a decade old, the president announced to the young airmen a public-private initiative to build commercial jets that would move at twice the speed of sound: “Some of you will fly the fastest planes that have ever been built,” he said. “We are talking about a plane in the end of the ’60s that will move ahead at a speed faster than Mach 2 to all corners of the globe.” A year later, Lockheed was
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