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How I flew to space, by S. Alan Stern

Of course, NASA's early Mercury astronauts and pilots of the experimental X-15 spaceplane did reach suborbital space, but ...
National Security Journal on MSN

Mach 9.6 X-43A ‘Hypersonic Scramjet’ Has a Message for Any Military on Earth

A, an unmanned scramjet testbed, set the world record for an air-breathing aircraft by hitting Mach 9.6 in 2004. -Launched ...