- Aeronautics, Military (3)
- Aeronautics (2)
- Astronautics (2)
- Airplanes (1)
- Alexander Eaglerock Aircraft Family (1)
- Artificial satellites (1)
- Astronauts (1)
- Bell XFM-1 Airacuda (1)
- Bellanca WB-2 "Miss Columbia" (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss P-36 Hawk Family (1)
- Dayton Wright DH-4 (1)
- International Space Station (ISS) (1)
- Lockheed P-38 Lightning Family (1)
- McDonnell Douglas KC-10 (1)
- Space Shuttle Program (U.S.) (1)
- Space flight (1)
- United States Air Force (1)
- World War, 1939-1945 (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.