Ames Wind Tunnel

#NASA #ImageOfTheDay Construction of the world’s largest wind tunnel and its original 40- by 80-foot test section. A later expansion created an additional 80- by 120-foot test section. A Navy blimp, which would have been based at Hangars 2 and 3 at Moffett Field, patrols in the background.

https://www.nasa.gov/image-detail/a-fst-37/