I don't understand where this fear that Russia is going to invade Europe is coming from? Russia has their hands full in Ukraine with no end to the war in sight. They don't have the manpower or equipment to invade another country. Plus Putin is no dummy, he understands if he invades a NATO country the US will definitely get involved. The Europeans could end the conflict tomorrow if they would urge Ukraine to negotiate a settlement with Russia, even if they have to cede some land. Russia is not going to lose the war with Ukraine, no matter how many billions of dollars we waste.