Assertion: jet aircraft | /r/HasProperty | followed by less known f-11 tiger
Facets:
value: less well
type: DEGREE
value: in the 1950s
type: TEMPORAL
Source sentences:
text: Grumman's first jet aircraft was the F9F Panther; it was followed by the upgraded F9F/F-9 Cougar, and the less well known F-11 Tiger in the 1950s.