Workers Machining 40 mm Anti-Aircraft Gun Barrel 1944

In 1944, workers in a former automobile plant in Highland Park, Detroit, Michigan, machined the firing end of a 40 mm anti-aircraft gun barrel for the U.S. Army. This shift from car manufacturing to military production exemplifies the vital role of American industry during World War II.

A statement in any room, each reproduction is printed on museum-quality archival paper using a restored version of the original. KNOWOL watermark does not appear on final print.