"The outcome was, bluntly, a disaster for NATO," the RAND researchers wrote in their report. In each simulation, the Russians were able to either circumvent the outnumbered NATO units, or even worse, destroy them. Between 36 and 60 hours after the beginning of hostilities, Russian troops stood before the gates of Riga or Tallinn — or both.

Says Spiegel.  The solution?  Spend more money:

The Americans in particular are putting pressure on the Europeans to once again invest more significantly in their own defense. In March, US President Barack Obama complained about the European "free riders" who are profiting from American protection while refusing to take on their "fair share."