Koksan
Koksan is a self-propelled howitzer or artillery model.
Also recorded as M-1978; M-1989; Juche gun.
In detail
It is associated with North Korea.
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
“M-1978 Koksan”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q486576: Koksan
Consult the source