the zsu-57-2: is a soviet self-propelled anti-aircraft gun, armed with two 57 mm autocannons. 'zsu' stands for zenitnaya samokhodnaya ustanovka, meaning "anti-aircraft self-propelled mount", '57' stands for the bore of the armament in millimetres and '2' stands for the number of gun barrels. It was the first soviet mass-produced tracked spaag.

the zsu-57-2 officially entered service with the soviet army in 1955. The first vehicles began replacing btr-40as and btr-152as in the anti-aircraft batteries of tank regiments in 1957. It was first shown publicly during the military parade in moscow on 7 november 1958.