- Aeronautics (3)
- Aeronautical instruments (1)
- Aeronautics, Commercial (1)
- Airplanes (1)
- Airplanes, Military (1)
- Helicopter ambulances (1)
- Helicopter pilots (1)
- Helicopters (1)
- Sikorsky (USA) CH-53A Sea Stallion (1)
- United States (1)
- Vietnam War, 1961-1975 (1)
- Women air pilots (1)
- Women in aeronautics (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.