- Aeronautics (3)
- Airlines (2)
- Air travel (1)
- Airlift, Military (1)
- Berlin (Germany) (1)
- Boeing 707 Family (1)
- Boeing 727 Family (1)
- Canadair CL-44 (CC-106 Yukon) (1)
- Cargo (1)
- Douglas DC-8-55 (1)
- Douglas DC-8-63 (Super DC-8) (1)
- Douglas DC-9 Family (1)
- Douglas DC-9 Super 80 (MD-80) Series (1)
- Flight training (1)
- Inertial navigation (1)
- Korean War, 1950-1953 (1)
- Lockheed Model 1049D Super Constellation (1)
- McDonnell Douglas DC-10 Family (1)
- Television advertising (1)
- Travel (1)
- advertising (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.