In this 1957 photo, engineers at the Lewis Flight Propulsion Laboratory (now NASA's Glenn Research Center) check a model of a supersonic aircraft before a test run in the 10 ft. x 10 ft. Supersonic Wind Tunnel test section.
In this 1957 photo, engineers at the Lewis Flight Propulsion Laboratory (now NASA’s Glenn Research Center) check a model of a supersonic aircraft before a test run in the 10 ft. x 10 ft. Supersonic Wind Tunnel test section.Image Credit: NASA