- Aeronautics (10)
- Aeronautics, Military (9)
- Boeing B-29 Superfortress (8)
- Airplanes (3)
- Atomic bomb (2)
- 768th Bombardment Squadron (1)
- Boeing B-17 Flying Fortress Family (1)
- Commercial artists (1)
- Consolidated B-24 Liberator Family (1)
- Douglas C-47 Skytrain Family (1)
- Japan (1)
- Martin (Glenn L.) PBM Mariner Family (1)
- North American B-25 Mitchell Family (1)
- Research aircraft (1)
- Sikorsky (USA) R-4 (H-4) Family (1)
- Sikorsky (USA) R-6 (H-6) Family (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.