Photograph of two U.S. Army Air Service servicemen, identified in the verso inscription as Bishop and Allison, circa 1917-1918.Inscription on verso: "Bishop & Allison."
Photograph of two U.S. Army Air Service servicemen, identified in the verso inscription as Carouthers and Patterson, circa 1917-1919.Inscription on verso: "Carouthers + Patterson (West). Carouthers is out in Chicago somewhere."
Photograph of two U.S. Army Air Service servicemen, identified in the verso inscription as Stevenson and Hewitt, circa 1917-1919.Inscription on verso: "Stevenson (San Francisco), killed over Verdun. Hewitt - Killed in USA after War."
Photograph of servicemen with a French Caudron Type G.4 aircraft, circa 1917-1918. One of the aircraft's propellers is missing.Inscription on verso: "Coedron [Caudron] Bi-motored."
Photograph of servicemen with a Nieuport 81 aircraft (fuselage number 370), circa 1917-1918.Inscription: "Nieuport.Inscription on verso: "23M Nieuport."