LMP-2017
LMP-2017 is a mortar or artillery model.
Also recorded as ZMT LMP-2017.
Overview
Polish infantry light mortar.
In detail
It is associated with Poland.
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
“LMP-2017”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q110416486: LMP-2017
Consult the source