Dark Space Official on MSN
From hypersonic test plane to spaceflight pioneer, how the X-15 reached space before the shuttle era
In 1963, a rocket plane built to push aviation to Mach 6 climbed higher than planned and carried NASA pilot Joe Walker past the Karman Line. Decades before the Space Shuttle, the X-15 blurred the line ...
National Security Journal on MSN
The X-20 Dyna Soar Mach 20 'scramjet' space plane has a message for the US Air Force
Synopsis: The X-20 Dyna-Soar was a Cold War-era attempt to build a reusable, piloted, winged spaceplane that could ride a ...
This story was updated at 9:49 a.m. EDT. The new spaceship being built by private aerospace firm Sierra Nevada Corp. may look like a miniature space shuttle, but while the design takes cues from the ...
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