Would you be suprised if Russia struck a US military target outside of the Ukraine (A US military base in Poland, for example) after Ukraine used US supplied F-16s to strike at Russian military targets inside of Crimea? Or would you think that is an escalation too far that Russia would not make?

Just curious what people think. I'm thinking they would. I think Russia would feel that it needs to destroy US military assets in exchange for the destruction of Russian military assets (outside of the theatre of Ukraine), and any lesser move would amount to accepting an asymmetric loss.

And because I think the US understands this, they do not want Ukraine to strike such targets, they want to keep the war within the defined theatre. But then I think Ukraine might do it anyways, pissed at both sides and wanting the war to move outside of their borders.

Yes, that was all just speculation. I find it fun to think through the scenarios.