Soldiers at Camp Upton, Long Island, take part in a gas mask drill during World War One. The photograph, taken on 5/11/18, shows soldiers in gas masks assuming an "alert" position. This training exercise prepared soldiers for potential gas attacks on the battlefield.

---

Size: 9181px × 6300px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 111-sc-6190, action, activities, alert, american, army, attack, base, camp, defense, drill, equipment, exercise, gas, historical, history, island, li, long, mask, masks, military, personnel, photographer, photographs, position, preparation, preparedness, protection, respiratory, safety, soldiers, supply, training, uniform, upton, war, warfare, world, yaphank