English: Sikorsky S-59 (XH-39) turbine-powered helicopter during flight testing
|Author||[https://www.flickr.com/people/sdasmarchives/ San Diego Air & Space Museum Archive ]|
(Reusing this file)
United States Army photograph via San Diego Air & Space Museum Archive
Cropped and cleaned up version of original pic
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This image is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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