https://www.nasa.gov/image-detail/schweizer-1-36-sailplane/
Schweizer 1-36 Sailplane - NASA
A Schweizer 1-36 sailplane, used by NASA for a series of deep-stall research flights, is shown here in a rapid, controlled descent during a flight test over...
schweizer 1 36sailplanenasa
https://www.nasa.gov/gallery/schweizer-1-36-sailplane/
Schweizer 1-36 Sailplane - NASA
schweizer 1 36sailplanenasa