280 mm mortar M1939 (Br-5)

The 280 mm mortar M1939 (Br-5) (Russian: 280-мм мортира образца 1939 года (Бр-5)) was a Soviet heavy artillery piece used during World War II, it was the Red Army's heaviest field piece during the war.

280 mm mortar M1939 (Br-5)

The 280 mm mortar M1939 (Br-5) (Russian: 280-мм мортира образца 1939 года (Бр-5)) was a Soviet heavy artillery piece used during World War II, it was the Red Army's heaviest field piece during the war.