English: Women workers install fixtures and assemblies to a tail fuselage section of a B-17 bomber at the Douglas Aircraft Company plant, Long Beach, Calif.

• Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the south Pacific, Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men, and with armament sufficient to defend itself on daylight missions.