Russia possesses the world’s largest nuclear arsenal (5,580 warheads) and has repeatedly threatened escalation over the Ukraine war. -While the probability of use remains low, four main delivery systems are likely candidates for a “limited” tactical nuclear strike.

While world leaders bicker over the prospects for peace, the deadliest conflict in Europe since World War Two is heating up fast.

Nearly 1 million Russian soldiers have been killed or injured in the country’s full-scale invasion of Ukraine, according to a new study, a grisly measure of the human cost of Russian President’s Vladimir Putin’s unprovoked three-year assault on its neighbor.