https://www.popsci.com/technology/article/2010-11/nasa-engineers-propose-combining-rail-gun-and-scramjet-fire-spacecraft-orbit/
In April, President Obama urged NASA to come up with, among other things, a less expensive method than conventional rocketry for launching spacecraft. By...
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https://www.mathworks.com/company/user_stories/nasas-x-43a-scramjet-achieves-record-breaking-mach-10-speed-using-model-based-design.html
NASA Hyper-X modeled and validated control systems in a scramjet vehicle, automatically generated flight code, and processed and analyzed postflight data.
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