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 "NASA Academy"): Goddard Space Flight Center and Dryden Flight Research Center previously hosted NASA Academies, as well.
Relevant evidence: No