Question: What corporation designed a supersonic light fighter family, initially designed in the late 1950s use in a two-year program that was a joint effort between NASA's Langley Research Center, Dryden Flight Research Center at Edwards Air Force Base, California and Northrop Grumman?
Sentence (from "Armstrong Flight Research Center"): Its primary campus is located inside Edwards Air Force Base and is considered NASA’s premier site for aeronautical research.
Relevant evidence: No