Mark 90
Mark 90 is a nuclear depth bomb or aerial bomb.
Overview
Aerial depth charge with nuclear warhead.
In detail
Mark 90 is a nuclear depth bomb or aerial bomb.
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
“Mark 90 nuclear bomb”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q6766436: Mark 90
Consult the source