limpet mine
limpet mine is a naval mine or weapon type.
Overview
Type of naval mine which is attached to a target by magnets.
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
“Limpet mine”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1811267: limpet mine
Consult the source