INSTALLATION OF J-57 ENGINE NACELLE IN THE ALTITUDE WIND TUNNEL AWT TEST SECTION
A Pratt & Whitney J57 engine is installed in the 20-foot diameter Altitude Wind Tunnel (AWT) test section in January 1957.
Image Credit: NASA/MARTIN BROWN
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https://www.nasa.gov/image-detail/grc-1957-c-43957/
Image CreditNASA/MARTIN BROWN
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