Mark 21 nuclear bomb
Mark 21 nuclear bomb is a thermonuclear weapon or aerial bomb.
Also recorded as Mark 21.
Overview
Type of thermonuclear weapon.
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
“Mark 21 nuclear bomb”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2479574: Mark 21 nuclear bomb
Consult the source