Sgt. Mackenzie, , a photographer with subject number 41866, took this photograph on March 24, 1919, at Balloon School in Arcadia, California. The image shows observers changing during a training exercise. The photograph was approved by the Censor on March 21, 1919. It was subsequently issued as M Sotes: 941866.

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Size: 8525px × 5802px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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