Assertion: reflector sight | /r/ObjectUse | used on anti-aircraft guns
Facets:
value: besides aircraft
type: OTHER
value: by world war ii
type: TEMPORAL
Source sentences:
text: By World War II the reflector sight was being used on many types of weapons besides aircraft, including anti-aircraft guns, naval guns, anti-tank weapons, and many other weapons where the user needed the simplicity and quick target acquisition nature of the sight.