Soldiers undergoing gas mask training during World War I.

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Size: 8364px × 5613px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., ...., 2nd, activities, american, army, communication, corps, documentation, efforts, equipment, frederick, historical, history, image, imagery, intelligence, lieutenant, military, operations, personnel, photog, photograph, photographer, photographers, photographs, photography, sibley, signal, soldiers, strategies, systems, tactics, technology, tools, training, units, war, wartime, world