Douglas C-54 Skymaster transport plane

View of a Douglas C-54 Skymaster transport plane. Stamped on back: "Released for publication. Credit: Official photo U.S. Air Forces." Handwritten on back: "Douglas C-47 towing glider. Aircraft in action." Label on back: "First Chicago-built 'Skymaster' tested. Chicago; the first giant 4-engined C-45 Douglas 'Skymaster' combat-cargo plane to completed at the new Douglas Aircraft Co. Inc. plant in Chicago, is hown while on its test flight. The planes are the largest planes to be put on large scale production in the nation, and are built to carry 50 fully equipped soldiers, of 15 tons of supplies. The plane will make its first official flight on July 30, after it is christened, at the dedication of the plant in ceremonies on that date. For release Monday July 19). List 30 'Credit line Acme'. DJH-AKR-NO-KCS 7-17-43."