Forget Supersonic Jets. These Ultra-Fast Spaceplanes Could Soon Take You Around the World in 90 Minutes.
Sierra Space and Radian are developing spaceplanes that fly at hypersonic speeds, but are able to head into Low Earth Orbit ...
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Virgin Orbit will soon use its modified Boeing 747 to launch satellites into orbit using a rocket strapped to the wing — here's how it works
Sir Richard Branson's space company, Virgin Orbit, just completed its final developmental test with its Boeing 747-400 jet turned satellite launcher and a fully-fueled "captive carry" rocket ...