- Archival materials (14)
- Collection descriptions (14)
- Photographs (12)
- Publications (11)
- Correspondence (10)
- Diaries (8)
- Manuscripts (5)
- Clippings (3)
- Scrapbooks (3)
- Drawings (2)
- Audiocassettes (1)
- Audiotapes (1)
- Charts (1)
- Financial records (1)
- Interviews (1)
- Microfilms (1)
- Motion pictures (visual works) (1)
- Reports (1)
- Technical manuals (1)
- Aeronautics (13)
- Aeronautics, Commercial (5)
- Periodicals (5)
- Aerial photography (2)
- Air pilots (2)
- World War, 1914-1918 (2)
- World War, 1939-1945 (2)
- Aerial reconnaissance (1)
- Aeroanutics (1)
- Airships (1)
- Atomic bomb (1)
- Balloons (1)
- Boeing B-17D Flying Fortress "Swoose" (1)
- Cartography (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Douglas World Cruiser (DWC) (1)
- Endurance flights (1)
- Flight training (1)
- Flights around the world (1)
- Guided missiles (1)
- He 293 (missile) (1)
- Naval Aircraft Factory F-5L (PN-5), NASM (1)
- Photogrammetrists (1)
- Photogrammetry (1)
- Remote sensing (1)
- Rocketry (1)
- Rockets (Aeronautics) (1)
- Seaplanes (1)
- Thermodynamics (1)
- Transatlantic flights (1)
- V-1 rocket (1)
- V-2 rocket (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.