Sgt. Mackenzie is seen in this photograph taken by Nov. 1, 1918, at the Aberdeen Proving Grounds, MD. The image shows the testing of guns, specifically the loading of an 8" rifle. The photo is designated as Number A and is not for publication, intended for official use only.

---

Size: 8321px × 5651px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, 111-sc-24066, 8, 28, 1918, 240661, aberdeen, activities, american, army, artillery, base, description, drills, equipment, exercises, facilities, firearms, grounds, guns, historical, history, loading, mackenzie, maryland, military, nov., oct., official, operations, personnel, photograph, photographer, preparations, proving, publication, reco, related, rifle, sgt., soldiers, strategy, technology, testing, training, war, wartime, weapon, weapons, world