Assertion: machine gun | /r/ObjectUse | used in combat
Facets:
value: by some polish infantry units
type: OTHER
value: by belgium
type: OTHER
value: by japan
type: OTHER
value: by spain
type: OTHER
value: by brazil
type: OTHER
value: by poland
type: OTHER
value: by chile
type: OTHER
value: by mexico
type: OTHER
value: in world war i.
type: TEMPORAL
Source sentences:
text: Aircraft-mounted machine guns were first used in combat in World War I.
text: Hotchkiss heavy machine guns, some being of earlier types, were also used in combat by Japan, Chile, Mexico, Spain, Belgium, Brazil, and Poland.
text: 14 machine guns were nevertheless used in combat by some Polish infantry units, notably the Border Defence Corps and National Defense.