Dec. 11, 2020, marks the 50th anniversary of NASA’s Langley Research Center’s 14×22 Subsonic Wind Tunnel.
Read more here:: http://www.nasa.gov/image-feature/50-years-of-research-using-langleys-14-by-22-foot-subsonic-wind-tunnel
50 Years of Research Using Langley’s 14 by-22-Foot Subsonic Wind Tunnel