GAU-8 Avenger
GAU-8 Avenger is an autocannon or Gatling gun.
Also recorded as Avenger; General Electric GAU-8/A Avenger.
Overview
30 mm Gatling-type autocannon aircraft armament.
In detail
It is associated with United States.
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
“GAU-8 Avenger”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q898933: GAU-8 Avenger
Consult the source