A Bulgarian armed forces MT-LB armored vehicle is seen during the 2022 demonstrations. Russia claims to have captured a similar armored vehicle from Ukraine and packed it with explosives.Hristo Rusev/Getty Images A recent video shows a old tank exploding, unleashing a massive blast wave. The kamikaze tanks have similarities with the way ISIS militants used car bombs. "What a stupid way to conduct armored operations by the Russians," a retired US general said. In the teeth of a Ukrainian counter-offensive, Russian troops are experimenting with a new and vicious tactic: turning armored vehicles into massive car bombs.One recent video shows an antiquated tank rumbling in a straight path towards a line of trees until a blast stops it in its tracks.