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 "Northrop F-5"): The design team wrapped a small, highly aerodynamic fighter around two compact and high-thrust General Electric J85 engines, focusing on performance and low cost of maintenance.
Relevant evidence: No