ALARM
ALARM is an anti-radiation missile or missile model.
Also recorded as ALARM missile; ALARM (missile); Air Launched Anti-Radiation Missile; Air-Launched Anti-Radiation Missile; Air Launched Antiradiation Missile; Air-Launched Antiradiation Missile.
In detail
It is associated with United Kingdom.
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
“ALARM”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q294350: ALARM
Consult the source