- Aeronautics (3)
- Boeing B-29 Superfortress (2)
- World War, 1939-1945 (2)
- Aeronautics, Commercial (1)
- Airplanes (1)
- Airplanes, Military (1)
- Bell UH-1B (HU-1B) Iroquois (Huey) (1)
- Boeing B-52 Stratofortress Family (Model 464) (1)
- Grumman Aircraft Family (1)
- North American P-51 Mustang Family (1)
- Shorts C-23A Sherpa (1)
- Test pilots (1)
- Vietnam War, 1961-1975 (1)
- Women in aeronautics (1)
- Women test pilots (1)
- de Havilland (Canada) (DHC-4) AC-1A (CV-2A, C-7A) (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.