
The Sikorsky S-52 was developed into the HO5S-1 for the US Marine Corps. It served as the Marine Corps’ primary medical evacuation helicopter in the final year of the Korean War. Donated by the Nancy and Fred Clark Family, founders of Vertical Aviation Technologies, Inc. (VAT). The photo was taken on Sept. 1, 2025, at the Smithsonian Institution's National Air and Space Museum (NASM) Steven F. Udvar-Hazy Center in Chantilly, Virginia, by Mike Hirschberg. CC BY-SA 4.0
License: Creative Commons Attribution-ShareAlike
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