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(CNN) - The largest submarine hunt in Swedish waters since the end of the Cold War.
A near collision between a Russian military plane and a Swedish passenger aircraft carrying 132 people.
And the abduction of an Estonian official from the territory of the NATO member, only days after U.S. President Barack Obama visited the Baltic nation.
Any of these three incidents could have led to direct military confrontation between Russia and the West, a new report suggests - and they have all taken place within the past nine months.
The incidents are outlined in "Dangerous Brinkmanship," an analysis that lists more than 40 "close military encounters between Russia and the West" that took place in the eight months from March to October of this year.