- Aeronautics, Military (4)
- Astronautics (2)
- Aerial reconnaissance (1)
- Aeronautical engineers (1)
- Aeronautics and state (1)
- Aeronautics designers (1)
- Aeronautics, Commercial (1)
- Air pilots (1)
- Apollo Project (1)
- Artificial satellites (1)
- Astronautics and state (1)
- Ballistic missiles (1)
- Gemini Project (1)
- Korean War, 1950-1953 (1)
- Lockheed F-94 Starfire Family (1)
- Lockheed U-2 Family (1)
- Mercury Project (1)
- Military art and science (1)
- North American P-51 Mustang Family (1)
- Periodicals (1)
- Photographic reconnaissance systems (1)
- Project Vanguard (1)
- Rocketry (1)
- Saturn 5 Launch Vehicle (1)
- Soyuz Program (Russia) (1)
- Space Shuttle Program (U.S.) (1)
- Space flight (1)
- Space vehicles (1)
- Supersonic transport planes (1)
- United States (1)
- Vostok (manned satellite) (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.