A 2nd Russo-Japanese War?

As part of my preparation for an AirWar: C21 campaign I am researching some background on some potential modern day conflicts.

I wanted to do something different to the norm with this campaign (as I usually tend to do). Originally I wanted to set up a new Sino-Japanese war, as there is plenty of tension between to two nations.

 But due to the fact that I can't buy modern Chinese jet miniatures I scrapped this idea.

Instead I came up with a potential  Russo-Japanese war over the disputed Norther Territories (or Kuril Islands as Russia calls them).

Here is some back ground information on the tension between the two nations:

Note the Chishima video is 26 mins long