Assertion: depth charge | /r/HasProperty | developed
Facets:
value: during world war one
type: TEMPORAL
value: during world war i
type: TEMPORAL
Source sentences:
text: Depth charges were developed during World War I, and were one of the first effective methods of attacking a submarine underwater.
text: Other depth charges have been developed that can be launched from aircraft.
text: The depth charge is the oldest anti-submarine weapon, being developed during World War One.