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?
Shaped Sonic Boom Demonstration:  The program was a joint effort between NASA's Langley Research Center, Dryden Flight Research Center at Edwards Air Force Base, California and Northrop Grumman.
i don't know