American soldiers engaging in gas defense drills at Camp Upton, Yaphank, Long Island during World War I. The purpose of these drills was to prepare the soldiers for gas attacks and to ensure they were equipped and trained to handle such situations. Photograph taken in March 1919 by Lt. DeBerri.

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Size: 7981px × 6300px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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