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Subject
- Bombers.[remove]3
- Military art and science.[remove]3
- Aeronautics, Military.2
- B-17 bomber.1
- Drill and minor tactics.1
- Military education--United States.1
- Military maneuvers.1
- Soldiers.1
- United States. Air Force.1
- United States. Army Air Forces.1
- United States. Marine Corps.1
- United States. Navy.1
- World War, 1939-1945--Aerial operations, American.1