- Aeronautics (3)
- World War, 1914-1918 (3)
- Aeronautics, Military (2)
- Nieuport (France) 28 (2)
- 14th Balloon Photo Section (1)
- Aerial photography (1)
- Aeronautics, Commercial (1)
- Airplanes (1)
- Artillery (1)
- Balloons (1)
- Bleriot XI Family (1)
- Breguet 14 (Military aircraft) (1)
- Curtiss Condor Family (1)
- Curtiss JN-4 Jenny (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4Can Canuck (1)
- Curtiss Pusher R (1)
- Curtiss R-6 Army Racer (1)
- Deperdussin Aircraft Family (1)
- Dorand A.R. (Avion de Reconnaissance) Series (1)
- Fokker D.VIII (1)
- Gallaudet Type C Military Tractor Biplane Family (1)
- Halberstadt C.II (1)
- Heinrich (Aeroplane Co) 1915 Model C Monoplane (1)
- Heinrich (Aeroplane Co) 1915 Model E Family Military Tractor Biplane (1)
- Huntington (CT) Aircraft Family (1)
- Junkers-Larsen JL-6 (1)
- LWF H Owl (1)
- Moisant (Monoplane Co) 1914 Bluebird Monoplane (1)
- R 34 (British Rigid Airship) (1)
- Royal Aircraft Factory (RAF) S.E.5 (1)
- SPAD XIII (S.13) (1)
- SPAD XIV (S.14) (1)
- Schmitt (Maximilian) 1915 Monoplane (1)
- Sikorsky (USA) S-38 Amphibion Family (1)
- Tanks (1)
- Wright (Co) Model B (1)
Our collections specialists actively work on the conservation, preservation, restoration, and long-term care of the objects in our collection. From full-scale restoration projects to applying preservation techniques and doing regular assessments, these activities form a crucial part of our stewardship of the National Collection.