- Aeronautics (3)
- Aeronautics, Military (3)
- Air pilots (2)
- Aerial photography (1)
- Aeronautics, Commercial (1)
- Aircraft (1)
- Airlines (1)
- Airplanes, Military (1)
- Airports (1)
- Airships (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Gliders (1)
- Military bases (1)
- Naval aviation (1)
- Ryan NYP "Spirit of St. Louis" (1)
- Transatlantic flights (1)
- Women air pilots (1)
- World War, 1939-1945 (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.