The 5,000th B-24 Liberator Bomber gets ready for take-off, Willow Run Airport, circa July 1944 Year 1944 Rights Held By Donated by the Ann Arbor News. © The Ann Arbor News. Copyright Copyright Protected Photo Subjects Airplanes B-24 Bombers World War II Willow Run Bomber Plant Old News Ann Arbor News Willow Run Airport