The threat by Iran to mine the Strait of Hormuz and block oil exports has deepened the crisis in the Middle East. The United States has responded by targeting several Iranian mine-laying vessels. The episode underlines the
strategic, economic, and psychological impact these kinds of weapons can have in times of conflict. And they've been posing a danger to commercial and military shipping for centuries.
So, how did these deadly and insidious devices evolve, and what makes them work? Click on and browse the gallery to discover more about sea mines and their impact on war.