- Aeronautics (5)
- Aeronautics, Commercial (3)
- World War, 1914-1918 (3)
- Aeronautics, Military (2)
- Air pilots (2)
- Aerial gunnery (1)
- Aerial photography (1)
- Air travel (1)
- Aircraft industry (1)
- Albatros D.Va (L24) (1)
- Asylum, Right of (1)
- Boeing 314 Clipper Family (1)
- Cold War (1)
- Curtiss JN-4 Jenny Family (1)
- Fighter pilots (1)
- Flight training (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Klemm L-20 "Yankee Doodle" (1)
- MIG (Fighter planes) (1)
- Martin JRM Mars Family (1)
- MiG MiG -15 (1)
- Transatlantic flights (1)
- Transpacific flights (1)
- Works of art (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.