Soldiers of the Chemical Warfare Service cleaning out gas from a trench in 1919. This photograph, labeled as 111-SC-651 and taken by photographer OD, shows a significant step in maintaining the safety of military personnel during World War One, as they worked to remove the potentially dangerous residue of a gas attack.

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Size: 9182px × 6304px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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