- Archival materials (49)
- Collection descriptions (49)
- Photographs (28)
- Correspondence (17)
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- Motion pictures (visual works) (1)
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- Aeronautics, Military (22)
- Air pilots (15)
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- Aeronautics, Commercial (5)
- Airplanes (5)
- Aerial photography (4)
- Airships (3)
- Nieuport (France) 28 (3)
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- United States. Army. American Expeditionary Forces (3)
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- Dyott Bomber (1916) (1)
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- Fighter pilots (1)
- Flight training (1)
- Fokker D.VI (1)
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- Fokker E.II (M 14) (1)
- Ganymede (Airship) (1)
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- Hazelhurst Field, Mineola, N.Y. Medical Research Laboratory (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Klemm L-20 "Yankee Doodle" (1)
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- Morane-Saulnier Model LA (Mo.S.4) (1)
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- Nieuport (France) 11 Monoplane (1)
- Nieuport (France) 17 (1)
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- The Aerial (Airship) (1)
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- Walden IV 1910 Monoplane (1)
- War memorials (1)
- Wilmer Ophthalmological Institute (1)
- Women in aeronautics (1)
- de Havilland (Airco) D.H.4 (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.