Date Taken: 04/0/1918 Photographer: C.O., Fort Sill Balloons - R
Photographer: U.S. Balloon School, VA. Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Date Taken: 01/0/1918 Photographer: C.O., Fort Sill Balloons - M
Date Taken: 09/0/1917 Photographer: C.O., Fort Sill Balloons - M
Date Taken: 9/28/1918. - Photographer: Allan F. McIntyre Ceremonies - Liberty Loans (War Finance Parade)
Photographer: International Film Service Balloons - Observation Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Date Taken: 08/0/1918 Photographer: International Film Service Balloons - Schools
Balloons - Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Photographer: U.S. Army Balloon School, VA. Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Photographer: C.P.I., Wash. D.C. Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Date Taken: 1918 Photographer: International Film Service Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Date Taken: 08/0/1918 Photographer: International Film Service Balloons - Equipment