this post was submitted on 29 Sep 2023
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NonCredibleDefense

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All targeting solutions for sublight speed are computable.

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[–] skillissuer@discuss.tchncs.de 33 points 2 years ago (1 children)

hypersonic during launch phase only, at the target it's more like Mach 3.5 if we're talking about Kinzhals downed by Patriot some months ago

[–] quindraco@lemm.ee 22 points 2 years ago* (last edited 2 years ago) (1 children)

TIL hypersonic is genuinely a distinct word from supersonic.

[–] JohnDClay@sh.itjust.works 24 points 2 years ago (1 children)

It's usually over mach 5, but originally it was used to refer to when you start needing to deal with heating up the air.

[–] winterayars@sh.itjust.works 17 points 2 years ago

Also around the point where jet engines kinda just stop working right.