Assertion: helicopter | /r/CapableOf | help to transform the battlefield
Facets:
value: to the modern day
type: TEMPORAL
value: through the vietnam war
type: TEMPORAL
Source sentences:
text: Helicopters, from their first appearance in World War II to the modern day, have helped to transform the battlefield.
text: From their first appearance in World War II, through the Vietnam War and to the modern day, helicopters have helped to transform the battlefield.