How the War in Ukraine Could Go Nuclear—by Accident
Since Russia invaded Ukraine in February 2022, it has put approximately 30 percent of its estimated 5,580 warheads in an untenably precarious position. Early in the war, concerns that the invasion increased the danger of a nuclear detonation or accidental explosion focused on the risk to Ukraine’s four nuclear power plants and Russia’s threats to intentionally escalate the conflict past the nuclear threshold.