Pilot - The commander and operator of the aircraft in flight.
Copilot - The second or relief pilot of the aircraft.
Navigator - The officer in charge of navigation.
Bombardier - The officer who aims and drops the bombs.
Top Turret Gunner. Also the flight engineer.
Radio Operator. Charged with external radio communications.
Ball Turret gunner. Located in the ball turret under the aircraft.
Left Waist Gunner. Located at the left waist window.
Right Waist Gunner. Located at the right waist window.
Tail Gunner. Located in the tail section of the aircraft.