Since the start of the Russian war of aggression against Ukraine in February 2022, there has hardly been a more pressing issue for NATO than the defense of its eastern borders.
Over the past three years, five of the six NATO countries that share a border with Russia or Belarus — Finland, Estonia, Latvia, Lithuania and Poland— have already made significant investments to better secure these borders, for example with fences and surveillance systems.
But now, a new plan is in the works: land mines.
