Private company

Willow Run

Manufacturing complex in Michigan, US

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 1942.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Production. Willow Run bomber plant. 8e11142v
Photo: Ann Rosener, Public domain, via Wikimedia Commons3

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 1942.2

Sources

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