Curtiss Type R 4 planes lined up and ready for flight at Fort Sill, Oklahoma. This photograph was taken on September 10, 1918, as part of an official military activity during World War One. (Image ID: 111-SC-26949)

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Size: 8389px × 5673px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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