- Aeronautics (10)
- Aeronautics, Commercial (7)
- Periodicals (4)
- Aerial photography (2)
- Air pilots (2)
- Fighter pilots (2)
- World War, 1914-1918 (2)
- Aerial reconnaissance (1)
- Aeronautical engineers (1)
- Aeronautics and state (1)
- African American air pilots (1)
- Air mail service (1)
- Airplanes, Military (1)
- Airships (1)
- Balloons (1)
- Cartography (1)
- Flight attendants (1)
- Gliding and soaring (1)
- Kites (1)
- Military intelligence (1)
- Photogrammetrists (1)
- Photogrammetry (1)
- Remote sensing (1)
- SPAD XIII (S.13) "Smith IV" (1)
- Women air pilots (1)
- Women in aeronautics (1)
- Works of art (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.