Volkov-Yartsev VYa-23
Volkov-Yartsev VYa-23 is an autocannon or artillery model.
Also recorded as VYa-23; TKB-201.
Overview
23 mm autocannon aircraft armament.
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
“Volkov-Yartsev VYa-23”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q939435: Volkov-Yartsev VYa-23
Consult the source