"Identifying signs of tanks and armoured cars of the Armoured and Mechanized Forces of the Central Front
June 1st to June 15th, 1943
For ground forces, tanks and armoured cars
Day:
Main: solid white stripe along the top of the turret (white paint or chalk), 15-20 cm tall.
Secondary: three green flares towards friendly forces
Night:
Main: the daytime secondary signal.
Secondary: raising and lowering a lit lamp from the partially opened top turret hatch up to three times.
Chief of Staff of the Armoured and Motorized Forces of the Central Front, Korobkov
May 25th, 1943"