- Aeronautics (2)
- Air pilots (2)
- Airplanes (2)
- World War, 1914-1918 (2)
- Aeronautics, Commercial (1)
- Aircraft accidents (1)
- Breguet 14 (Military aircraft) (1)
- Curtiss JN-4 Jenny Family (1)
- Dayton Wright DH-4 (1)
- Jet planes, Military (1)
- Nieuport (France) 28 (1)
- Northrop YF-17 (1)
- de Havilland (Airco) D.H.4 (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.