Sikorsky XH-39.jpg

Summary[ ]

English: Sikorsky S-59 (XH-39) turbine-powered helicopter during flight testing
Date early 1950s
Author [ 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

Licensing[ ]

Public domain This image is a photograph from San Diego Air & Space Museum at no known restrictions on the publication of these photos.

Public domain
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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Checked copyright icon.svg This image, originally posted to Flickr, was reviewed on by the administrator or reviewer Leoboudv, who confirmed that it was available on Flickr under the stated license on that date.