Assertion: bottlenose dolphin | /r/HasProperty | airlifted to the persian gulf
Facets:
value: for underwater surveillance
type: PURPOSE
value: in 1987
type: TEMPORAL
value: by the navy
type: OTHER
Source sentences:
text: In a “top secret operation,” Six Pacific Bottlenose Dolphins were airlifted by the Navy to the Persian Gulf in 1987 where they were used to detect missiles and mines as well as for underwater surveillance.