Photograph of two French servicemen in a partially constructed balloon hangar, France, circa 1918.Inscription on verso: "Balloon hangar 36 [illegible]. Lt John D[illegible]. The designer is at the far left. American Major has plans."
Photograph of two servicemen inspecting a German Albatros D.III aircraft, France, circa 1918. The aircraft has a skull-and-crossbones insignia painted on its fuselage.
Photograph of servicemen with a railway artillery gun (Obusier de 520 modèle 1916), likely in France, circa 1918. One of the servicemen is seated on the gun's barrel.