Production. B-24E (Liberator) bombers at Willow Run. New Liberator (B-24E) bombers await paint jobs after coming off the assembly lines at Ford's big Willow Run plant. The Liberator is capable of operation at high altitudes and over great ranges on precision bombing missions. It has proved itself an excellent performer in the Pacific, in Northern Africa, Europe and the Aleutians. Ford's Willow Run Plant, Michigan