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> Aegis GMD has zero effectiveness against a missile field filled with SS-19s, or mobile SS-27s, or anything else that poses an existential threat

so... why is it there then? just curious. I think the official publicly touted reason at the time was to protect Romania from Iran, is that it?

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It's 0 effectiveness for the US. It's got some effectiveness for Europe. It's not just the site in Romania, but also a site in Poland: https://www.defensenews.com/pentagon/2022/03/09/construction...

early warning system for US defense?

Iran.

so it's "useless" for ss27s but then "Iran"? how does that make sense? This is Romania not Israel, so this is not tactical.

It's useful for the MRBMs/IRBMs out of Iran targeting Europe. It's useless for the ICBMs out of Russia targeting the United States. It's not destabilizing in any way, especially since the magazine size of the Aegis sites is easily verifiable via any number of means, and the easiest countermeasure is N+! (which the Russians have in spades).

> It's not destabilizing in any way

At the beginning of this year, the CFR's Foreign Policy magazine said it might be destabilizing. Russia invaded the Ukraine a few months later.

So you say the US putting these military systems around eastern Europe was not a destabilizing move, but I think the past months has shown otherwise.

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