Airplanes - Flight - On guard against U-boats from air and sea. Now th...
Photographer: Underwood & Underwood Airplanes - Flight Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl description
Aerial view of "Hercules" seaplane built by Howard Hughes during the c...
The original finding aid described this photograph as: Base: Long Beach State: California (CA) Country: United States Of America (USA) Scene Camera Operator: PH1 Robert G. Swan Release Status: Released to ... More
One hundred German U-Boats, World War One 1914-1918
British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description
German U-boats moored at Harwich, England
British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description
Balloons - In the Theatre of Operations - French dirigible on hunt for...
Date Taken: 1917 Photographer: International Film Service Balloons - In the Theatre of Operations
Balloons - Hangars and Beds - American Dirigibles now becoming part of...
Photographer: C.P.I. Balloons - Hangars and Beds Public domain image of an airship, no copyright restrictions image - Picryl description
Balloons - Miscellaneous - Dirigiblees. This Dirigible with an America...
Photographer: Kadel & Herbert Balloons - Miscellaneous Public domain image of an airship, no copyright restrictions image - Picryl description
Balloons - U - Navy Dirigibles keep watch for U-boats. A Navy dirigibl...
Photographer: International Film Service Balloons - U Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description