Teletank

Teletanks were a series of experimental wireless remotely controlled unmanned tanks produced in the Soviet Union in the 1930s and early 1940s so as to reduce combat risk to soldiers.

[1] Teletanks were equipped with DT machine guns, flamethrowers, smoke canisters,[1] and sometimes a special 200–700 kg time bomb in an armoured box, dropped by the tank near the enemy's fortifications and used to destroy bunkers up to four levels below ground.

Each teletank, depending on model, was able to recognize sixteen to twenty-four different commands sent via radio on two possible frequencies to avoid interference and jamming.

Standard tactics were for the TU control tank (with radio transmitter and operator) to stay back as far as practicable while the teletank (TT) approached the enemy.

If the enemy was successful at seizing the teletank, the control tank crew was instructed to destroy it with its main gun.