Why? That is exactly what concepts like the https://en.wikipedia.org/wiki/Silbervogel https://en.wikipedia.org/wiki/Silbervogel , https://en.wikipedia.org/wiki/

Why? That is exactly what concepts like the https://en.wikipedia.org/wiki/Silbervogel https://en.wikipedia.org/wiki/Silbervogel , https://en.wikipedia.org/wiki/Saenger_(spacecraft) https://en.wikipedia.org/wiki/Saenger_(spacecraft) and later https://en.wikipedia.org/wiki/British_Aerospace_HOTOL https://en.wikipedia.org/wiki/British_Aerospace_HOTOL and its follow-up https://en.wikipedia.org/wiki/LAPCAT#Mach_five_vehicle https://en.wikipedia.org/wiki/LAPCAT#Mach_five_vehicle by the now defunct https://en.wikipedia.org/wiki/Reaction_Engines https://en.wikipedia.org/wiki/Reaction_Engines envisioned? Remember Space Odyssey 2001? Got something for you: https://duckduckgo.com/?q=Pan+American+Space+Odyssey+2001&iar=images https://duckduckgo.com/?q=Pan+American+Space+Odyssey+2001&ia...