Lt. Edward M. Jackson photographed soldiers at Camp Kearny, San Diego, undergoing gas training during World War I. The image depicts a gas wave rolling over the trench, with soldiers diligently working to clear the area of the toxic gas. The photograph was censored and released on April 30, 1918, by the War College Division.

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Size: 9179px × 6298px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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