One of two compressors that power the Abe Silverstein supersonic wind tunnel at NASA's Glenn Research Center in Cleveland, Ohio.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg



Previously:

NASA wind tunnel - photo
NASA wind tunnel actuators - photo
World's largest vacuum chamber - photo
NASA water deluge rocket launch system - GIF
NASA rocket test platform - GIF