Image: Sikorsky R4B
Size of this preview: 800 × 383 pixels. Other resolutions: 320 × 153 pixels | 1,800 × 861 pixels.
Original image (1,800 × 861 pixels, file size: 555 KB, MIME type: image/jpeg)
Description: A Sikorsky R-4B Hoverfly helicopter (s/n 43-46506) at the National Museum of the United States Air Force at Dayton, Ohio (USA).
Title: Sikorsky R4B
Credit: U.S. Air Force photo 060807-F-1234P-005 from the USAF museum website. (Modified by cropping shadow in front.)
Author: USAF
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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