In this photograph taken on November 4, 1918, Sergeant Gallivan from the Research and Inspection Bureau in Paris is seen lining up his ring sight on a supposed airplane. This image demonstrates the challenging nature of sighting. The photograph is not intended for publication and is marked "For Official Use Only."

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Size: 8513px × 5781px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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