- Archival materials (27)
- Collection descriptions (27)
- Photographs (22)
- Correspondence (12)
- Publications (9)
- Clippings (6)
- Scrapbooks (5)
- Articles (3)
- Logs (records) (3)
- Reports (3)
- Diaries (2)
- Drawings (2)
- Financial records (2)
- Manuscripts (2)
- Maps (2)
- Motion pictures (visual works) (2)
- Aerial photographs (1)
- Audiocassettes (1)
- Audiotapes (1)
- Color slides (1)
- Manuals (1)
- Negatives (1)
- Newsletters (1)
- Newspapers (1)
- Notes (1)
- Photograph albums (1)
- Programs (1)
- Telegrams (1)
- Transcripts (1)
- Aeronautics (25)
- Air pilots (11)
- Periodicals (6)
- World War, 1939-1945 (6)
- Women air pilots (5)
- Airplanes (4)
- Women in aeronautics (4)
- World War, 1914-1918 (4)
- Aerial photography (3)
- Airlines (3)
- Flight training (3)
- Aeronautics and state (2)
- African American air pilots (2)
- Aircraft industry (2)
- Airports (2)
- Airships (2)
- Works of art (2)
- Aerial reconnaissance (1)
- Aero Spacelines Guppy Family (1)
- Aeronautical engineers (1)
- Aeronautical instruments (1)
- Aeronautics in art (1)
- African American women air pilots (1)
- Air mail service (1)
- Airplanes, Military (1)
- Astronautics (1)
- Astronauts (1)
- Balloons (1)
- Bell P-39 Airacobra Family (1)
- Bell P-59 Airacomet Series (1)
- Bell P-63 Kingcobra Family (1)
- Bell YFM-1 Airacuda (1)
- Boeing B-29 Superfortress (1)
- Boeing B-52 Stratofortress Family (Model 464) (1)
- Boeing C-97 Stratofreighter Family (Model 367) (1)
- Boeing Model 377 Stratocruiser Family (1)
- Burgess Aircraft Family (1)
- Burgess-Wright Aircraft Family (1)
- Cartography (1)
- Cold War (1)
- Curtiss Model H "America" (H-1) (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Fighter pilots (1)
- Flight attendants (1)
- Gliders (1)
- Gliding and soaring (1)
- Grumman Aircraft Family (1)
- Harmon International Trophy (1)
- Helicopters (1)
- Kites (1)
- Korean War, 1950-1953 (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Lockheed U-2 Family (1)
- Martin B-26 Marauder Family (1)
- Naval Aircraft Factory Aircraft Family (1)
- Photographic reconnaissance systems (1)
- Research aircraft (1)
- Rohrbach Ro III Rotri Flying Boat (1)
- Seaplanes (1)
- Test pilots (1)
- United States (1)
- United States Air Force (1)
- Vietnam War, 1961-1975 (1)
- Waco Aircraft Family (1)
- Women in technology (1)
- Women test pilots (1)
- aeronautics, civil (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.