- Aeronautics (4)
- Aeronautics, Military (1)
- Air pilots (1)
- Astronautics (1)
- Astronauts (1)
- Bellanca WB-2 "Miss Columbia" (1)
- Caproni Ca.3 (1)
- International Space Station (ISS) (1)
- McDonnell Douglas KC-10 (1)
- Operation Crossroads, 1946 (1)
- Railroad cars (1)
- Railroad travel (1)
- Space Shuttle Program (U.S.) (1)
- Technical manuals (1)
- Transatlantic flights (1)
- United States Air Force (1)
- Vin Fiz Special (train) (1)
- World War, 1914-1918 (1)
- Wright (Brothers) 1903 Flyer (1)
- Wright (Co) Model EX "Vin Fiz" (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.