[Caquot observation balloon in flight]

Photograph of a Caquot observation balloon in flight over a field in Brouville, France, April 23, 1918.

Included caption: "Getting ready to ascend. Air service. Brouville, France. Apr. 23, 1918."

Inscription: "x 12279."

Embossed in corner: "Signal Corps U.S. Army."

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