UR-100
UR-100 is an intercontinental ballistic missile or missile model.
Also recorded as 8K84; SS-11 Sego; Sego.
In detail
It is associated with Russia.
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
“UR-100”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1203151: UR-100
Consult the source