ZSU-23-4 Shilka
ZSU-23-4 Shilka is a self-propelled anti-aircraft gun or combat vehicle model.
Also recorded as ZSU234; Shilka; Anti-aircraft Self-propelled Mount 23 mm 4 barrel; Sewing Machine.
Overview
1960s self-propelled quad 23 mm anti-aircraft gun system.
In detail
It is associated with Soviet Union.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“ZSU-23-4 Shilka”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q136457: ZSU-23-4 Shilka
Consult the source