President Putin made three foundational assumptions in launching his war against Ukraine that should have been correct but were not. First, Putin assumed the invasion of Ukraine would be a quick and easy fight. Second, he assumed the world would denounce the invasion but tacitly allow it. Third, Putin assumed the war would deter NATO expansion.
In 105 days the Finns defeated a Soviet force ten times as large and with orders of magnitude more tanks, artillery and airplanes. The tactical and operational victory by the Finns demonstrates that a weaker force can defeat a stronger one, but only by fighting and operating differently and not simply fighting in the traditional, accepted ways.
