- Aeronautics (2)
- Aeronautics, Military (2)
- V-1 rocket (2)
- Airplanes (1)
- Bell P-59 Airacomet Series (1)
- Centaur Rocket (1)
- Heinkel He 162 Spatz (Sparrow) Volksjager (People's Fighter) (1)
- Interplanetary voyages (1)
- Junkers Ju 388 Family (1)
- Launch vehicles (Astronautics) (1)
- Rocket engines (1)
- Rocketry (1)
- Rockets (Aeronautics) (1)
- Space colonies (1)
- Space industrialization (1)
- Space scientists (1)
- Space stations (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.