40th Division soldiers prepare for a gas attack at Camp Kearney in San Diego, CA during World War One. A battery of Field Artillery swiftly moves a cannon to a camouflaged dugout to protect it. Photograph taken by Jackson and released by the War College Division on April 16, 1918.

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Size: 7983px × 6305px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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