Assertion: gun salute | /r/CapableOf | begin with simple flypasts
Facets:
value: during world war i
type: TEMPORAL
Source sentences:
text: Gun salute by aircraft, primarily displayed during funerals, began with simple flypasts during World War I and have evolved into the missing man formation, where either a formation of aircraft is conspicuously missing an element or a single aircraft abruptly leaves a formation.