This is the moment a Russian tank was pelted with bombs by a small Ukrainian drone, in a David versus Goliath battle between an old and new machine of war.

It was small, silent, and deadly. Nazi Germany’s Goliath was one of the first remote-controlled demolition weapons in history—here’s how it worked.

The Goliath stood a foot tall, four feet long, and could carry anywhere from 50 to 100 kg of explosives. Its tracks allowed the remotely operated vehicle to scale the walls of trenches and ...