What would the U.S. do if China builds military infrastructure in Canada (in cooperation with Canada), so that China could destroy major cities and U.S. military infrastructure within seconds? The U.S. would argue that this constitutes an existential threat to the homeland security of the United States. This is a valid argument, but why does this not apply equally to Russia? Isn't it an existential threat to Russia if NATO builds military infrastructure in Ukraine or Georgia? Yes, Russia communicated this clearly since at least 2008 at the Munich Security Conference. The West/NATO didn't listen and here we are...