A second-generation craft could have taken flight from surface into low earth orbit:
nationalinterest.org
Common flights to low Earth orbit just a daily routine by 2024CE. . . Oh well, what might have been ....

Lockheed X-24C: The Hypersonic Mach 8 Plane Explained in 3 Words
What You Need to Know: The Lockheed L-301, also known as the X-24C, was an ambitious experimental hypersonic aircraft project in the 1970s that aimed to build upon the advancements of the X-15 and X-24B programs. -Designed to reach speeds of Mach 8 and perform hypersonic skip-glide maneuvers...

Common flights to low Earth orbit just a daily routine by 2024CE. . . Oh well, what might have been ....
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