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