[Vought UO-1]

Photograph of a Vought UO-1 (UF-1) aircraft (partial tail number [?]603, fuselage number 4) on display at an air show, circa 1920s. A sign on the wing describes the aircraft's features.

Inscription: "11163 A.S."

Inscription on verso: "Chance Vought UO-1 of U.S. Navy. A-_603 No. 4. U.S.S. California."

Stamped on verso: "Official photograph. Property of U.S. Army Air Service. Reproduction of this photograph is prohibited except when and as authorized in writing by the Chief of Air Service, Washington, D.C."