Major John S. Sullivan, part of the Photo Branch Training Section in the Air Service Division, captured this image (No. 9291) during World War I. The photo shows a soldier using a synol, an ocular attachment for aerodrome photography. Captured on 5/1/18.

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Size: 9177px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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