A high-tech factory in central Russia has created a new, deadly force to attack Ukraine: A small number of highly destructive thermobaric drones surrounded by huge swarms of cheap foam decoys.

Warheads create high-pressure vortex that penetrates walls; sucking out all oxygen in their path, they can cause collapsed lungs, crushed eyeballs, brain damage even outside blast site

At a secretive factory in Russia’s central grasslands, engineers are manufacturing hundreds of decoy drones meant to overwhelm Ukrainian defenses as they try to protect against a horrific new weapon,