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Subject
- Air warfare1
- Americans in foreign countries1
- Arms production1
- Ciphers1
- Commissariat1
- Conscientious objectors1
- Defense budgets and appropriations1
- Defense contracts1
- Defense procurement1
- Demobilization1
- Draft (Compulsory military service)1
- Federal receipts and expenditures1
- Financial statements1
- Homing pigeons1
- Industrial mobilization1
- Marine transportation1
- Medicine, Military1
- Meteorology and weather forecasting1
- Military aircraft1
- Military and naval offenses1