- Awards (8,591)
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- Personal equipment (2,485)
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- Components (objects) (999)
- Aircraft (942)
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- Collection descriptions (657)
- Flight instruments (616)
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- Food (255)
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- Personal equipment: grooming, hygiene and health care (112)
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- Reports (26)
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- Gigabytes (24)
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- Art (4,491)
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- World War, 1914-1918 (85)
- Air pilots (84)
- Airplanes (81)
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- Astronautics (58)
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- Works of art (10)
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- Ryan NYP "Spirit of St. Louis" (8)
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- Aeronautical engineers (7)
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- Boeing B-29 Superfortress (7)
- Douglas World Cruiser (DWC) (7)
- Korean War, 1950-1953 (7)
- Rockets (Aeronautics) (7)
- de Havilland (Airco) D.H.4 (7)
- African American air pilots (6)
- Curtiss JN-4 Jenny Family (6)
- Kites (6)
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- Propulsion systems (6)
- Zeppelin LZ 129 Hindenburg (6)
- Aeronautical sports (5)
- Aircraft (5)
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- Boeing B-29 Superfortress, Silverplate "Enola Gay" (5)
- Curtiss, General, Aircraft (5)
- Dayton Wright DH-4 (5)
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- Fighter pilots (5)
- Lockheed P-38 Lightning Family (5)
- Mercury Project (5)
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- SPAD XIII (S.13) (5)
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- United States Air Force (5)
- ZR-1 Shenandoah (5)
- Apollo 11 Flight (4)
- Astronomy (4)
- Burgess Aircraft Family (4)
- Flight attendants (4)
- Gemini Project (4)
- Gliders (Aeronautics) (4)
- Lockheed Model 10-E Electra, Earhart Aircraft (NR16020) (4)
- Nieuport (France) 28 (4)
- Project Apollo (U.S.) (4)
- Republic P-47 (F-47) Thunderbolt Family (4)
- Space Shuttle Program (U.S.) (4)
- Space vehicles (4)
- Technical manuals (4)
- Voisin Aircraft Family (4)
- Wright (Co) Model B (4)
- Aerial reconnaissance (3)
- Aeronautical instruments (3)
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.