- Aeronautics (4)
- Airplanes (2)
- World War, 1914-1918 (2)
- Aeronautics, Commercial (1)
- Air pilots (1)
- Aircraft carriers (1)
- Bell P-59 Airacomet Series (1)
- Coral Sea, Battle of the, 1942 (1)
- Heinkel He 162 Spatz (Sparrow) Volksjager (People's Fighter) (1)
- Junkers Ju 388 Family (1)
- Midway, Battle of, 1942 (1)
- Naval aviation (1)
- Pearl Harbor (Hawaii), Attack on, 1941 (1)
- Philippine Sea, Battles of the, 1944 (1)
- V-1 rocket (1)
- V-2 rocket (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.