While we do not know for sure how this will all play out, I believe *BOTH China and Russia may well try to get out in front of the US deploying massive missile shields, *OR allowing South Korea and (especially) Japan, from becoming nuclearized!
Trump is a real impediment to these authoritarian/totalitarian regimes!
“...*OR allowing South Korea and (especially) Japan, from becoming nuclearized!”
*Or allowing South Korea and (especially) Japan, [to become] nuclearized!