Women workers install fixtures and assemblies to a tail fuselage section of a B-17F bomber at the Douglas Aircraft Company, 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, over 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