Infantry soldiers at Camp Devens, Ayer, Massachusetts, conduct a demonstration of trench mortar NUMBER 69,213 issued to the Reserve Officers' Training Corps () in July 1920. This photo was taken at the infantry camp and is part of a documentation of American military activities during World War One.

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Size: 8452px × 5817px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: *69213, .., ...., 1920, 3-1000, activities, american, ayer, camp, demonstration, devens, hits, infantry, issued, jo, july, mas, massachusetts, military, mortar, sat, sbr, sotf, symbol, trench, war, world