gun-type fission weapon
gun-type fission weapon is a nuclear weapon or weapon type.
Overview
Fission-based nuclear weapon.
In detail
gun-type fission weapon is a nuclear weapon or weapon type.
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
“Gun-type fission weapon”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1079490: gun-type fission weapon
Consult the source