Russia's 5 Biggest Nuclear Bomb Tests Ever
The Bomb represents the ultimate expression of might, so the biggest bombs express that power to its extremes. The United States and the Soviet Union built bigger and bigger bombs to deter each other. Eventually, Washington stopped testing such large weapons due to improved accuracy of their delivery methods. Only 3 percent of the superpowers' stockpiles consisted of nuclear weapons with yields greater than four megatons, but those weapons more than any others symbolize the terror of nuclear war.