If an enemy nation wanted to conduct an EMP attack, they wouldn't need to do it with an ICBM that we'd be able to identify as such. Getting an object into LEO would not, on its own, stand out, and would provide an avenue for attack (or the threat of an attack) that would not be detectable in the same way as an ICBM launch.

Of course, the harm to their own systems would be substantial as well given that it would have a huge impact on satellites in orbit, not just systems on the ground.

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its_ethan 19 minutes ago | parent [-]

True. It would admittedly be a much different and more challenging problem to stop something coming back in from Space as opposed to an ICBM - you're right there.

But yea the mutually assured misery that it might cause in LEO for everyone would make this only likely form a truly rogue state. Maybe NK, but trying to identify who the threat would be changes this from a solar flare risk/mitigation discussion fully to a geopolitical theory one ;)

	▲	Jtsummers 14 minutes ago \| parent [-]
		> more challenging problem to stop something coming back in from Space as opposed to an ICBM Well, the reason I point out LEO is that Starfish Prime was detonated at 250 miles, that's within the range of a low Earth orbit. You don't need to return anything to Earth to have the desired effect, or even have it on an Earthward trajectory (such as deorbiting the satellite). EDIT: > would make this only likely form a truly rogue state I do agree with this.