- Aeronautics (6)
- World War, 1939-1945 (3)
- Airplanes (2)
- Miss Fifinella (Fictitious character) (2)
- Women and the military (2)
- Women in aeronautics (2)
- Aerial photography (1)
- Aeronautics, Commercial (1)
- Air pilots (1)
- Alexander Eaglerock Aircraft Family (1)
- Bell XFM-1 Airacuda (1)
- Christofferson 1912 Seaplane (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4D Jenny (1)
- Curtiss JN-4HG Hisso Jenny (1)
- Curtiss P-36 Hawk Family (1)
- Dayton Wright DH-4 (1)
- Helicopters (1)
- LWF V-3 (1)
- Lockheed P-38 Lightning Family (1)
- Military intelligence (1)
- Periodicals (1)
- Research aircraft (1)
- Seaplanes (1)
- Standard (NJ) JR-1 (1)
- Technical manuals (1)
- Works of art (1)
- World War, 1914-1918 (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.