Putin was looking at attacking Japan and possibly even taking Hokkaido, but then switched focus to Ukraine.
Trump used to complain constantly that Japan was not paying for the upkeep of US bases in Japan, as if he had heard nothing about the heavy and increasing subsidies US bases already receive there.
This latest outburst (on top of the US Steel buyout block) sounds as if he is encouraging Putin to attack 'NATO allies' anywhere, even, or especially, in Asia.