American soldiers stationed in France during World War One undergo gas mask training. Gas masks were essential protective gear designed to prevent the inhalation of poisonous gases used in warfare. The soldiers are seen learning how to properly wear and adjust their masks in order to ensure their safety on the battlefield.

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Size: 8293px × 5606px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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