![The main structure of the Willow Run bomber plant in Detroit, MI had 3,500,000 square feet (330,000 m2) of factory space, and an aircraft assembly line over a mile (1600 m) long. : r/ww2 The main structure of the Willow Run bomber plant in Detroit, MI had 3,500,000 square feet (330,000 m2) of factory space, and an aircraft assembly line over a mile (1600 m) long. : r/ww2](https://preview.redd.it/the-main-structure-of-the-willow-run-bomber-plant-in-v0-klttc8uw5sca1.jpg?width=640&crop=smart&auto=webp&s=5429ca6440b868059453484028f29dc2edd462df)
The main structure of the Willow Run bomber plant in Detroit, MI had 3,500,000 square feet (330,000 m2) of factory space, and an aircraft assembly line over a mile (1600 m) long. : r/ww2
![Swift Wings, Swift Action: Willow Run Bomber Plant Fights for its Future | National Trust for Historic Preservation Swift Wings, Swift Action: Willow Run Bomber Plant Fights for its Future | National Trust for Historic Preservation](https://cdn.savingplaces.org/2015/07/31/15/40/39/237/130701_blog_photo_willow-run_int.jpg)
Swift Wings, Swift Action: Willow Run Bomber Plant Fights for its Future | National Trust for Historic Preservation
![Kaiser-Frazer Corp.'s reconversion of Willow Run Bomber Plant, February 1946 | Ann Arbor District Library Kaiser-Frazer Corp.'s reconversion of Willow Run Bomber Plant, February 1946 | Ann Arbor District Library](https://aadl.org/sites/default/files/photos/N015_0749_002.jpg)