Soldiers wearing gas masks during World War I.
Size: 8022px × 5344px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ..., 111-sc-11, 111-sc-11773b, 14, 1918, activated, activities, american, archive, army, attack, charcoal, chemical, conflict, defense, document, effort, equipment, face, gas, gear, goggles, hazardous, historical, history, issued, june, mask, measures, military, official, oxygen, personnel, photograph, photographer, poison, precautions, preparedness, protection, protective, respiratory, safety, soldier, soldiers, supply, survival, tactics, war, warfare, world