- Aeronautics (7)
- Rockets (Aeronautics) (6)
- V-2 rocket (5)
- World War, 1939-1945 (5)
- V-1 rocket (4)
- Airplanes (2)
- Ballistic missiles (2)
- He 293 (missile) (2)
- Aerodynamics (1)
- Antiaircraft missiles (1)
- Apollo Project (1)
- Artificial satellites (1)
- Astronautics (1)
- Cold War (1)
- Gemini Project (1)
- Guided missiles (1)
- Mercury Project (1)
- Messerschmitt 163 Komet (Comet) Family (1)
- Project Vanguard (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)
- Thermodynamics (1)
- Vostok (manned satellite) (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.