Willow Run
| Ford's Willow Run Assembly Plant of Aircraft | |
|---|---|
| Coordinates | 42°14′29″N 83°33′03″W / 42.2414°N 83.5508°W |
| Industry | Aircraft Assembly |
| Products | B-24 Liberator aircraft |
| Employees | 42,500 |
| Area | 3.5 million-square-foot |
| Owner(s) | U.S. government |
Willow Run, also known as Air Force Plant 31, was a manufacturing complex in Michigan, United States, located between Ypsilanti Township and Belleville, built by the Ford Motor Company to manufacture aircraft, especially the Consolidated B-24 Liberator heavy bomber. Construction of the Willow Run Bomber Plant began in 1940 and was completed in 1942.