Image depicting a smoke pot in action at Aberdeen Proving Ground, Maryland during World War One. This photograph was taken in May 1918 by a photographer from the Signal Corps, It is identified as image number 111-SC-10518 and is marked as "Not for Publication."

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Size: 9178px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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