- World War, 1939-1945 (2)
- Aeronautics (1)
- Aeronautics, Commercial (1)
- Airlines (1)
- Airplanes (1)
- Airports (1)
- Curtiss C-46 Commando (1)
- Curtiss C-46 Commando Family (1)
- Douglas C-54 Skymaster Family (1)
- Douglas DC-3 Family (1)
- Douglas DC-6 (1)
- Douglas DC-7 (1)
- Lockheed Model 1049D Super Constellation (1)
- Lockheed Model 749 Constellation (1)
- Lockheed P-38 Lightning Family (1)
- Martin B-26B Marauder (Model 179B) "Flak Bait" (1)
- McDonnell Douglas DC-10 Family (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.