- Aeronautics (5)
- Astronautics (4)
- Aeronautics, Military (3)
- Astronomy (2)
- Rockets (Aeronautics) (2)
- Women air pilots (2)
- Aeronautical engineers (1)
- Aeronautics designers (1)
- Aeronautics, Commercial (1)
- Airplanes (1)
- Artificial satellites (1)
- Astronautics and state (1)
- Atmosphere, Upper (1)
- Cold War (1)
- Flight attendants (1)
- Gateway Arch (Saint Louis, Mo.) (1)
- Military art and science (1)
- Rocketry (1)
- Space sciences (1)
- Telescopes (1)
- V-1 rocket (1)
- V-2 rocket (1)
- Women in aeronautics (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.