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As of mid-March, 685 astronauts have reached at least 80 kilometers above the Earth’s surface. This total includes 86 private astronauts, 22 times as many as there were two decades ago.
Read MoreSpace holds nearly limitless commercial and scientific potential. It is also essential to national security: maintaining freedom of action in space, and the protection of space-based assets, is fundamental. Rivals, led by China . . .
Read MoreFor space programs and companies, the Moon looms large as a contested frontier of space access and commercialization. The cadence of attempted Moon landings is increasing.
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