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Subjects
- United States24
- Military Personnel18
- World War II14
- Motor Vehicles12
- Weapons11
- Air Pollutants, Occupational7
- Ventilation6
- Military Personnel -- education5
- Vehicle Emissions5
- Accident Prevention3
- Adaptation, Physiological3
- Hot Temperature3
- Equipment and Supplies2
- Protective Clothing2
- Wounds, Gunshot -- prevention & control2
- Air Pollution, Indoor1
- Carbon Monoxide Poisoning1
- Cold Temperature1
- Dust -- prevention & control1
- Firearms1