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> However, the only practical way to defend against long-range hypersonic gliders, which can threaten entire regions along a single flight corridor, is from Space. Orbiting DE platforms, looking down on entire regions from the ultimate high ground can leverage “birth to death” tracking of any given glider, combined with its speed of light “interceptor,” to completely nullify this threat.

But wouldn't an attacker then first take out the DE satellite, and only after launch the missile?



That could certainly be a defense strategy, but taking down satellites work very much in the same way as taking down a ballistic missile - and there's considerable collateral damage due to the amount of space debris (which could very well induce more debris), which in turn could damage your own satellites.




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