The KV-6 is often described as the ultimate Soviet land battleship—a monstrous tank with multiple turrets, flamethrowers, rocket launchers, and enough firepower to level a battlefield.

Russia has lost about 3,800 tanks since 2022, compared with about 1,100 for Ukraine, per Oryx estimates. In Kursk, Russian tank losses are nearly equal to those of Ukraine, challenging Kyiv's ...