Assertion: thunderbird | /r/CapableOf | lend his voice
Facets:
value: to describe the maneuvers
type: PURPOSE
Source sentences:
text: Thunderbirds 1-6 fly in the air show demonstrations; Thunderbird 7 is the operations officer; and Thunderbird 8 is the advance pilot and narrator, coordinating last-minute logistical details at show sites and lending his voice to describe the maneuvers during the show.