At the position of the Soviet 203-mm howitzer B-4.
B-4 – Soviet howitzer high power caliber 203 mm (8 inches). The full official name of gun – 203 mm howitzer model 1931. During the Soviet-Finnish War howitzer B-4 was used for the destruction of pillboxes Mannerheim Line. It is a tool to actively and successfully used in World War II, especially during the assault fortified lines of the German defense.
Mass of explosive projectile howitzer B-4 – 100 kg, range – 18 km. The total output of howitzers B-4 was 871 each.