Item Identifier Number
MS-293: 91st Observation Squadron
The 91st Aero Service Squadron, 1st Army Observation Group, American Expeditionary Force, posing for a group photo in front of three airplanes.
Special Collections and Archives; Wright State University Libraries
Digital Services Department; Wright State University Libraries
Photographic print, black and white
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ms293_01_04; World War I (1914-1918); Squadron; Airplanes