Sgt. Mackenzie test-fires an 8" rifle on a railway mount at Aberdeen Proving Grounds, MD, on Oct. 28, 1918. This photograph (number 24064) was taken by an unknown photographer and is not for publication. It is intended for official use only. Issued notes indicate its official status as 9024064.

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

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