Photograph of a SPAD XIII aircraft (tail number S16541, fuselage number 25) of the 22nd Pursuit Squadron, U.S. Army Air Service, circa 1917-1920s. The squadron's "shooting star" emblem is visible on the fuselage.Caption on envelope: "SPAD XIII / 22nd…
Photograph of a Thomas-Morse S-4C aircraft (tail number 38739), circa September 1918.
Caption on envelope: "Thomas Morse Scout / Side / 27 / Wright Field / Neg. No. 822 / 1918 September 25."
Photograph of a German Fokker D.VII aircraft (fuselage designation 775G/18), circa 1914-1919. The aircraft is painted in lozenge camouflage.Caption on envelope: "Fokker D-VII / 3/4 rear / 25."
Photograph of a Curtiss JN-4D Jenny aircraft (fuselage number 4045) in low flight, circa 1910s-1930s. The pilot is waving from the cockpit. Caption on envelope: "Curtiss JN-4D in low flight / 23."