Valkiri
Valkiri is a multiple rocket launcher or artillery model.
Also recorded as Valkyr.
In detail
It is associated with South Africa.
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
“Valkiri”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1474332: Valkiri
Consult the source