Photograph of a person parachuting from a De Havilland D.H.4 aircraft near Langley Field, Virginia, August 7, 1920.Inscription: "Parachute Jump. Langley Field, Va. 8-7-20."
Photograph of a Zodiac airship in flight over Langley Field, Virginia, April 15, 1920.Inscription: "C-20167 - Balloon - Zodiac - Langley Field, Va. - 4-15-20."
Photograph of a Zodiac airship in flight over Langley Field, Virginia, April 15, 1920.Inscription: "C-20170 - Balloon - Zodiac - Langley Field, Va. - 4-15-20."
Photograph of a Zodiac airship in flight over Langley Field, Virginia, April 15, 1920.Inscription: "C-20173 - Balloon - Zodiac - Langley Field, Va. - 4-15-20."