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A comment on Did American Missile Defense Fail in Saudi Arabia?. Parent comment

Re:Did American Missile Defense Fail in Saudi Arabia? by Amorymeltzer on Monday December 04, 2017 @11:03AM (#15844840)
Years ago, in my high school Phsyics C class, the teacher gave us an exam which was just the process of calculating how to intercept an (IC)BM. It was a really great exam, leading you through all the steps required, and gave the answer really clearly.

It's incredibly hard. I won't repeat sibling comments about how difficult the actual interception is, but will add that you likely have seconds AT BEST for your own launch to take place. You can do guidance mid-air, but miss the window...

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Re:Did American Missile Defense Fail in Saudi Arabia? by gozur88 on Tuesday December 05, 2017 @04:37AM (#15850790)
As with any X vs Y weapon, the scenario matters a whole lot. If you know where the missile is going and your interceptors are launched from that area you have plenty of time. This is the situation the USN is looking at with the new Chinese anti-ship ballistic missiles.

On the other hand, a system to protect the continental United States from incoming missiles from anywhere to anywhere was always fanciful.

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