- Archival materials (205)
- Collection descriptions (205)
- Photographs (117)
- Correspondence (60)
- Publications (40)
- Scrapbooks (37)
- Clippings (28)
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- Logs (records) (8)
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- Aeronautics (182)
- World War, 1939-1945 (59)
- Aeronautics, Commercial (45)
- World War, 1914-1918 (38)
- Airplanes (33)
- Air pilots (28)
- Periodicals (21)
- Airplanes, Military (18)
- Aerial photography (14)
- Boeing B-29 Superfortress (11)
- Women in aeronautics (11)
- Flight training (10)
- Fighter pilots (9)
- Airships (8)
- Aircraft industry (7)
- Balloons (7)
- Naval aviation (7)
- Seaplanes (7)
- Vietnam War, 1961-1975 (7)
- Korean War, 1950-1953 (6)
- Women air pilots (6)
- Works of art (6)
- Aeronautics and state (5)
- Rocketry (5)
- Rockets (Aeronautics) (5)
- V-2 rocket (5)
- Aerial reconnaissance (4)
- Airlines (4)
- Atomic bomb (4)
- Ballistic missiles (4)
- Cold War (4)
- Curtiss JN-4 Jenny Family (4)
- North American F-86 Sabre Family (4)
- Aircraft carriers (3)
- Airports (3)
- Astronautics (3)
- Curtiss, General, Aircraft (3)
- Dayton Wright DH-4 (3)
- Douglas C-54 Skymaster Family (3)
- Douglas World Cruiser (DWC) (3)
- Flights around the world (3)
- Helicopters (3)
- Martin Aircraft Family (3)
- Military records (3)
- North American F-100 Super Sabre (Sabre 45) Family (3)
- North American P-51 Mustang Family (3)
- Photographic reconnaissance systems (3)
- Republic P-47 (F-47) Thunderbolt Family (3)
- Research aircraft (3)
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- de Havilland (Airco) D.H.4 (3)
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- Bell P-39 Airacobra Family (2)
- Bell P-59 Airacomet Series (2)
- Boeing B-17 Flying Fortress Family (2)
- Boeing B-17D Flying Fortress "Swoose" (2)
- Boeing B-52 Stratofortress Family (Model 464) (2)
- Boeing P-12 (Model 102) (2)
- Bombing, Aerial (2)
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- Consolidated Aircraft Family (2)
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- Curtiss JN-4D Jenny (2)
- Curtiss NC-1 (P2N-1) (2)
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- Jet propulsion (2)
- Junkers Ju 388 Family (2)
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- Lockheed Aircraft Family (2)
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- McDonnell F2H-2 Banshee (2)
- Military intelligence (2)
- Miss Fifinella (Fictitious character) (2)
- Naval Aircraft Factory Aircraft Family (2)
- Nieuport (France) 28 (2)
- Nieuport Aircraft Family (2)
- North American Aircraft Family (2)
- North American XB-70A (RS-70) Valkyrie (2)
- Radar (2)
- Sikorsky (USA) R-4 (H-4) Family (2)
- Sikorsky (USA) R-6 (H-6) Family (2)
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.